Company Index
- D & P Metals Ltd. - Witham
- D & R Structures Ltd. - Chichester
- D & A Fabrications - Wigan
- D & A Services - Manchester
- D & B Darke Ltd. - Peterborough
- D & C Engineering - Bude
- D & C Transmissions - Greenford
- D & D (Fine Limits S M W) Ltd. - Hampton
- D & D Buckle - Stowmarket
- D & D Stainless Ltd. - Livingston
- D & E Components Ltd. - Strabane
- D & E Metal Fabrications - Shipley
- D & E Precision Engineering - Walsall
- D & H P Blinds - Ilford
- D & M Engineering Ltd. - Farnham
- D & M Farm Services Ltd. - Londonderry
- D & M Plating Ltd. - Wolverhampton
- D & M Porter Ltd. - Penrith
- D & M Trailer Services Ltd. - Glasgow
- D & P Building & Joinery - Nottingham
- D & P Joinery Manufacturers - Nottingham
- D & P Signs Ltd. - Coventry
- D & Q Coin Equipment - Banbridge
- D & R Fabrications Ltd - Winsford
- D & R Stainless Steel Products - Sheerness
- D & S Metalcraft - Chard
- D & S Precision Coatings Ltd. - Biggleswade
- D & T Mechanical Services - Sidcup
- D & T Mobility Services - Caerphilly
- D & T Precision Engineering Ltd - Southampton
- D & T Turned Parts Ltd. - Grays
- D & W Metals - Stourbridge
- D + E Architectural Hardware Ltd. - Peterborough
- D 2 Food Systems Ltd. - Harpenden
- D A Benham Engineering Ltd. - Southampton
- D A Cooper & Sons Ltd. - Rotherham
- D A Plating Jigs & Light Fabrications Ltd. - Smethwick
- D A B Engineering - Rotherham
- D A B Engineering Co. Ltd. - London
- D A C Handling Ltd - Rotherham
- D A C Steels Ltd. - Sheffield
- D A Culling Scrap Metals - Norwich
- D A French Precision Engineering - Bath
- D A Herrmann - East Molesey
- D A Kettlewood - Selby
- D A Price - Builth Wells
- D A S Engineering Services Ltd. - Castleford
- D A S L Specialist Services Ltd. - St Austell
- D A Safety Ltd. - Nottingham
- D A T Mechanical Services - Camberley
- D A T Tinstamp Ltd. - Dagenham
- D Acorn Polishing - Walsall
- D Allen Engineers - Lairg
- D and B - Rotherham
- D and B Gardner - Norwich
- D and D Engineering - Louth
- D and D Fabrications - Wigan
- D and D Hydraulics - Stockton on Tees
- D and D International Valves Ltd - Bury St Edmunds
- D and D Joinery - Belfast
- D and G Engineering - Weston super Mare
- D and G Fire Protection Ltd - Dumfries
- D and H Engineering Ltd - Leicester
- D and J (Steels) Ltd - Wolverhampton
- D and J Blinds - Sutton Coldfield
- D and J Leisure Services Ltd - Hull
- D and J Ltd - Sheffield
- D and K Fabrications - Leicester
- D and K Singer - Aberdeen
- D and L Blinds - Swindon
- D and L Sheet Metal - Newcastle upon Tyne
- D and M Powder Coatings - Batley
- D and M Towing - Sleaford
- D and P Services - Bootle
- D and R Joinery - Durham
- D and S Engineering Services Ltd - Newport
- D and S Metals - Forres
- D and S Ultra-Clean Ltd - Runcorn
- D Anderson - Banchory
- D B Holdings Ltd. - Doncaster
- D B Broadcast Ltd. - Ely
- D B C Tools Ltd. - Letchworth
- D B Engineering Ltd. - Newport
- D B Engineering Services - Barry
- D B Pallet Services - Grimsby
- D B R A Ltd. - Bath
- D B S Brand Factors Ltd. - Warrington
- D B S Midlands Ltd. - Coventry
- D B Sheet Metal - Braintree
- D B Sheetmetals Ltd. - Haverhill
- D B T Engineering - Preston
- D B T-G B - Motherwell
- D Barton Associates - Colchester
- D Beacock and Son - Scunthorpe
- D Blagbrough Engineering - Telford
- D Boyd Engineering Services Ltd - Annan
- D Brash and Sons Ltd - Cardiff
- D C Hall Ltd. - Milton Keynes
- D C Woodhead & Partners Ltd. - Pudsey
- D C Associates - Manchester
- D C Car Repairs - Oxford
- D C Daly - Newtownards
- D C Developments (Engineering) Ltd. - Norwich
- D C E Holdings Ltd. - Buckfastleigh
- D C E Joinery - Runcorn
- D C Farquhar and Partners - Glasgow
- D C H Joinery - Hassocks
- D C L Ltd - Weston super Mare
- D C M Drillquip Ltd. - Nuneaton
- D C S - Bedford
- D Camps - South Shields
- D Cooper - Aylesbury
- D Cumbley Fabrications - Hinckley
- D D C Engineering - Dalkeith
- D D P - Wareham
- D D P Precision Engineering - Letchworth
- D D S Engineering - Buntingford
- D D S Polishing - Willenhall
- D D Signs & Blinds Manufacturers - London
- D D Z Marine Ltd. - Largs
- D E Engineering Services Ltd. - Aberdeen
- D E G Simpson & Sons - London
- D E W Electronic Eng Ltd. - Chigwell
- D F S Fixings - Leicester
- D G Engineering Co. Ltd. - St Helens
- D G Scott Ltd. - Alfreton
- D G Steel & Son Engineering Ltd. - Bury
- D G & J M Matter - Hailsham
- D G B Services - Scunthorpe
- D G Engineering - Bangor
- D G Engineering Consultancy Ltd. - Bridgwater
- D G P Blacksmiths - Glasgow
- D G Pugh - Ilfracombe
- D G S (Grinding Wheels & Machines) Ltd. - Wolverhampton
- D G S Abrasives Division - Portsmouth
- D G Sheet Metal - Leeds
- D G Springs Ltd. - Leicester
- D H Autos - Newcastle
- D H B Machines (Brownhills) Ltd. - Walsall
- D H Bodycraft - Banbury
- D H Engineering - Clacton on Sea
- D H Jones(Hardware) Ltd. - Stourbridge
- D H S Tool Supply Co. Ltd. - Plymouth
- D H Squire Consulting Engineers - Nottingham
- D Haynes Ltd. - Bolton
- D I Arnold and Son - Haverfordwest
- D I G (Holdings) Ltd. - Leiston
- D I S (East Anglia) Ltd. - Halstead
- D J Automation Engineering Ltd. - Shefford
- D J Mandley - Stockport
- D J McCarthy Associates Ltd. - Huddersfield
- D J Profile & Grinding Co. Ltd. - Stockport
- D J Sportscars International Ltd. - Harlow
- D J & M Ltd - Leicester
- D J Allen - Sheffield
- D J B Precision Engineering - Bedford
- D J Chemical Blacking Services - Keighley
- D J Cook Joinery - Northampton
- D J Craddock & Sons - Redditch
- D J Enterprises - Hungerford
- D J F Metal Finishing - Birmingham
- D J Fellows and Sons - Pontypool
- D J Haney Fabrications - Rowley Regis
- D J Jasper (Steels) Ltd. - Rowley Regis
- D J M Developments Ltd. - Bacup
- D J M Tools and Industrial Supplies Ltd - Stratford upon Avon
- D J N & Associates Ltd. - Wimborne
- D J P Consulting Engineers - Bristol
- D J T Engineering Oxford - Didcot
- D J Transmission - Falmouth
- D J Transmissions - Exeter
- D J Watts - Driffield
- D J Williams - Wisbech
- D J's Purpose Made Joinery - Bodmin
- D K Engineering - Shrewsbury
- D K S Waites Public Health Engineering Ltd. - Cirencester
- D K W Engineering Ltd. - Portsmouth
- D L Fabrications Ltd. - Paisley
- D L G Enterprises Ltd. - Wigston
- D L K Developments Ltd. - Derby
- D L S Electronic Services Ltd. - Northampton
- D L Supplies - Harrow
- D L Tinkler - Norwich
- D L Wilson Carpet Specialists - Altrincham
- D M A Engineering - Exeter
- D M Battle Desgin Services - Birmingham
- D M Bulloch Associates Ltd. - Whitley Bay
- D M C Business Machines Plc - Croydon
- D M Dust Control - Lisburn
- D M G Technical Services - Cardiff
- D M G World Media Ltd. - Redhill
- D M J Engineering - Hexham
- D M Lloyd & Son - Oswestry
- D M Precision Ltd. - Waterlooville
- D M R Engineering Services Ltd. - Liverpool
- D M S Stainless Ltd - Hereford
- D M Signcraft - Enfield
- D M Signs - Invergordon
- D M Young - Swansea
- D McCallum & Son - Stirling
- D Middleton - Batley
- D Mills & Co. - Todmorden
- D Mitchell Contractors Plant Sales - Castleford
- D Morgan Welding - Whitstable
- D N Gearboxes - Blackpool
- D N Prosser Plumbing and Heating Ltd - Worthing
- D N S Windows Ltd. - Nottingham
- D O C - Southend on Sea
- D Oliver - Melrose
- D P Controls - Ashford
- D P D Components Ltd - Doncaster
- D P Engineering - Birkenhead
- D P L Ltd. - Bromley
- D P Manufacturing - Diss
- D P R Engineering - Cannock
- D P S Fabrications Ltd. - Chelmsford
- D P S S Cabling Services Ltd. - Uxbridge
- D P Steels - Wolverhampton
- D Palmer and Sons - Clacton on Sea
- D Platt - Leamington Spa
- D R & M Channell - Leicester
- D R Blinds Ltd. - Alresford
- D R C Metallurgical Ltd - Sheffield
- D R Case and Son - Brighton
- D R H (Screens) Ltd. - London
- D R Hydraulics & Engineering Ltd - Washington
- D R L Welding & Mechanical Services Ltd. - Witney
- D R Markey & Sons - Stockport
- D R N Engineering Ltd. - Luton
- D R P Bearings and Transmission Ltd - Grimsby
- D R Parr - Isles of Scilly
- D R S Cases Ltd. - London
- D S Willetts (Stainless) Ltd. - Bilston
- D S & B Engineering Ltd. - Barnstaple
- D S D Interiors Ltd. - Lutterworth
- D S Engineering - Witham
- D S Izzard - Sandy
- D S K Engineering Services (Midlands) Ltd. - Swadlincote
- D S Machining Services Ltd - Bristol
- D S Metals - Goole
- D S Partnership - London
- D S Precision Engineering Ltd. - Heckmondwike
- D S Scrap Metals - London
- D S Sheet Metal Ltd. - Poole
- D S W Engineering Co. Ltd. - Basildon
- D Shaw - Larkhall
- D Stephenson Race Bike Preparation - Louth
- D Sullivan Metals - London
- D Suttle & Associates - Godstone
- D Swinley Engineering Ltd. - Kirkcaldy
- D T C - Basingstoke
- D T Industrial Finishings Ltd. - Leighton Buzzard
- D T Power Tool Services - Pudsey
- D T Stone Engineering - Nottingham
- D Thackerey - Barnsley
- D Tipton - Witney
- D Tobias (1995) Ltd. - Glasgow
- D V Godden Engineering Ltd. - West Malling
- D V R Fabrications - Birmingham
- D V Watkins - Leominster
- D W Fabrications Ltd. - Bury
- D W Group Ltd. - Milton Keynes
- D W O'Brien Ltd. - Kettering
- D W Windsor Ltd. - Hoddesdon
- D W Engineering Solutions Ltd. - Bristol
- D W Hire - Southampton
- D W Marshall and Co Ltd - Peterlee
- D W Podmore - Leek
- D W Pointer and Partners Ltd - Bromsgrove
- D W Precision Engineering - Wickford
- D W Presley Ltd. - Kingsbridge
- D W Sheet Metal Machinery - Cambridge
- D W Wright & Son - Keighley
- D Watson & Sons - Egremont
- D Wheatland Engineering Ltd. - Redhill
- D Wildy & Sons - London
- D Wilson - Birmingham
- D Wooldridge - Walton on Thames
- D Young Joinery Manufacturers - Durham
- D'Arcy Engineering Services - Swansea
- D-Celtech UK (Distributors of Weforma Shock Absorbers) - St Leonards on Sea
- D-Tech Engineering - Stockport
- D. & M. Engineering (Nuneaton) Ltd - Nuneaton
- D.B.R. Associates Ltd - Folkestone
- D.K. Holdings Ltd - Tonbridge
- D.L.K. Garage Doors - Arlesey
- D.M. Foundries Ltd - Stroud
- D.S Smith Burwell - Cambridge
- D2 - Bradford
- DA Forgie - Limavady
- Dab Handling - Glasgow
- DAB Pumps Ltd - Bishops Stortford
- Dab Systems Ltd. - Ashbourne
- Dabinco Ltd - Liphook
- Dacecrown Ltd. - Birmingham
- Dacmac - Slough
- Daco Machine Co. Ltd - Westbury
- Dacol Engineering Ltd - Mansfield
- Dadco Ltd - London
- Daften Die-Casting Ltd. - Wadebridge
- Dagar Tools Ltd. - Telford
- Daged Ltd. - Bristol
- Dah Components - Aylesbury
- Daher Lcn Ltd. - Poole
- Daido Industrial Bearings Europe Ltd - Ilminster
- Daifuku Europe Ltd - Slough
- Daifuku Ltd - Burton on Trent
- Daihatsu Diesel (Europe) Ltd. - London
- Daihatsu Entrance Systems Ltd. - Bootle
- Daikin Airconditioning UK - Weybridge
- Dainese Pro Shop - Bristol
- Dairy Electrical Refrigeration Ltd. - Shaftesbury
- Dairy Pipe Lines - Saffron Walden
- Dairy-Scope (Northwest) Ltd. - Nantwich
- Dairy-Scope Ltd. - Shrewsbury
- Dairyflow - Kilmarnock
- Dalair Ltd - Harrow
- Dalair Ltd - Manchester
- Dalair Ltd - Wednesbury
- Dale & Co - Preston
- Dale and Co Ancoats Ltd - Manchester
- Dale Engineering - Warrington
- Dale Fabrications (Kent) Ltd. - Canterbury
- Dale Hardware Ltd. - Ossett
- Dale Industrial Hose & Fittings Ltd - Rochdale
- Dale KR - Hereford
- Dale Process Engineering Ltd - Tewkesbury
- Dale Street Warehouse Ltd. - Manchester
- Dale Williams Signs - Northampton
- Daleborne Timber Products - Gravesend
- Dalebrook Engineered Turned Parts - Stourbridge
- Dalen Ltd - Top-Tec Industrial - Birmingham
- Dalepark Motion Controls Ltd. - Lanark
- Dales Engineering Services Ltd. - Peterhead
- Dales Fabrications Ltd. - Ilkeston
- Dales Office Supplies & Equipment Ltd. - Leeds
- Daleside Welding - Carnforth
- Dalesman Fabrications Ltd. - Leeds
- Dalesway Mobility (South) - Wellington
- Dalesway Mobility South - Weston super Mare
- Dalewood Mouldings - Sheffield
- Dalkia Energy Management Ltd - Glasgow
- Dalkia plc - Staines
- Dallas Fitted Furniture - Bristol
- Dallat Group - Coleraine
- Dallmac - Southampton
- Dalloway Gary - Stourbridge
- Dalman & Narborough Ltd. - Birmingham
- Dalmar Leisure Ltd. - Wimborne
- Dalon International Ltd. - Harlow
- Dalta Manufacturing (Leicester) Ltd. - Leicester
- Dalton Demolition - Airdrie
- Dalton ID Systems Ltd - Henley on Thames
- Dalton Power Products Ltd. - Grantham
- Daltons Atv's - Lampeter
- Daly Engineering - Troon
- Daly Garage Doors - Glasgow
- Daly Heating Contractors Ltd - Coventry
- Dalzier Conservatories - Motherwell
- Damar Group Ltd - Radstock
- Dambach U K Ltd - Richmond
- Dames Non Ferrous Metal Recyclers Ltd - Derby
- Damper Technology Ltd. - Ilkeston
- Damproof Engineering Services Ltd. - High Peak
- Damstahl Stainless Ltd - Telford
- Damt Ltd. - Newport Pagnell
- Dan Display and Imaging Ltd - Pontyclun
- Dan Medica North Ltd. - Manchester
- Dana Corp - Stratford upon Avon
- Danalex - Stourport on Severn
- Danatrol Ltd. - Loughborough
- Dando Drilling International Ltd. - Littlehampton
- Dane Group plc - Newcastle upon Tyne
- Danebay Ltd. - Tamworth
- Danelock Engineering Ltd - Burton on Trent
- Danetre Workshop Supplies Ltd. - Daventry
- Danfast Ltd. - Hull
- Danflo Engineering - Birmingham
- Danfood Technology Ltd. - Hitchin
- Danfoss Ltd - Uxbridge
- Daniel Ruddy - Dungannon
- Danieli Davy Distington Ltd. - Sheffield
- Daniels Engineering - Southall
- Daniels Fans Ltd. - Llanelli
- Daniels R J - Bedford
- Dankroy - London
- Danlett Ltd. - Huddersfield
- Danley Engineering Services Ltd - Blackburn
- Danline International Ltd - Llanrwst
- Danly Ltd - Halesowen
- Danmar Engineering - Edinburgh
- Dannah - Reading
- Danor Engineering Ltd. - London
- Danstan Engineering Ltd - Halesowen
- Dantech Ltd - March
- Dantherm Filtration Ltd - Leeds
- Danti Engineering - Kidderminster
- Dantone Precision Engineering - Barnsley
- Danum Blinds - Doncaster
- Danvac Ltd. - Shrewsbury
- Dappat Engineering Ltd. - Hull
- Dar-Val Engineering Ltd. - London
- Darad Fabrications Ltd. - Atherstone
- Darchem Engineering Ltd - Stockton on Tees
- Darenth Valley Building Services Ltd - Swanley
- Darfen Durafencing - Doncaster
- Darian Trading Ltd. - Market Harborough
- Darley Forge - Bridlington
- Darlington Heat Treatment Ltd - Newton Aycliffe
- Darlow Precision Engineering - Worksop
- Darncrest Recycling & Commodities - Barking
- Darnells Ltd. - Witney
- Daro Factors Ltd. - London
- Daroch Motors - Birmingham
- Darpor Engineering & Associates - Winkleigh
- Darren Epton - Boston
- Darron Tool an Engineering (Sheffield) Ltd - Rotherham
- Dart Valley Systems Ltd. - Paignton
- Dartex Coatings Ltd - Long Eaton
- Dartford Metalcrafts Ltd. - Rochester
- Dartmouth Associates Ltd - Birmingham
- Dartmouth Global Trading Co. Ltd. - Halesowen
- Darwell Fabrication - Kenilworth
- Darwins Holdings Ltd. - Sheffield
- Daryl - Skelmersdale
- Daryl Industries Ltd - Wallasey
- Dasic Marine Ltd - Eastleigh
- Dass Manufacturing Ltd - Wallington
- Dat Images - Maldon
- DAT Reproductions Ltd - Chatham
- Data Acquisition Design Ltd - Crawley
- Data Paper Supplies - Mold
- Data Physics UK Ltd - Hailsham
- Data Power Tools Ltd. - Cardiff
- Data Time Systems - Nottingham
- Data Tooling & Engineering Services Ltd. - Ashford
- Data Vision (Europe) Ltd. - Swindon
- DataCAM Models - London
- Datacut Engineering Ltd - Prescot
- Datagen Ltd. - Glasgow
- Datapaq Ltd. - Cambridge
- Dataracks - Cambridge
- DATARAX (A Division Of Databond) - Ipswich
- Datasights Ltd. - Enfield
- Datastor Ltd. - Sutton
- Datastor Technology Ltd - Wotton under Edge
- Datatrak Ltd - Downham Market
- Dathan Tool and Gauge Co Ltd - Huddersfield
- Dato Fabrications - Birmingham
- Datoc Engineering Ltd. - Crawley
- Daton Precison Engineering - Walsall
- Datong Plc - Leeds
- Datrys Consulting Engineers Ltd - Caernarfon
- DATS - Warrington
- Datum Alloys Ltd. - Kingsbridge
- Datum Electronics Ltd - East Cowes
- Datum Engine Services - Egham
- Datum Engineering - Sale
- Datum Engineering - Walsall
- Datum Precision Engineering Ltd. - Bath
- Datum Products Horsham Ltd - Horsham
- Datum Roadsweepers - Durham
- Datum Special Fasteners Ltd. - Cannock
- Datum Tool Design Ltd. - Ballynahinch
- Davall Stock Gears - Hatfield
- Davalow Ltd - Wolverhampton
- Davart Fasteners - Evesham
- Dave Burlow Engineering - Cheltenham
- Dave Crabtree Engineering - Preston
- Dave Edwards Sheet Metal Fabrications - Stoke on Trent
- Dave Felton - Macclesfield
- Dave Kay Joinery Ltd. - Richmond
- Dave Millen Joinery - Stockport
- Dave Mott Installations - Nottingham
- Dave Smith Sheet Metal - Preston
- Dave the Frame - Birmingham
- Dave The Gas - Westcliff on Sea
- Dave Walker Ltd - Cradley Heath
- Dave Wilkes Joinery - Brierley Hill
- Davenshaw Garage Equipment Ltd. - Congleton
- Daventech Ltd. - Telford
- Daventry Guarding Ltd. - Daventry
- Daventry Metal Products Ltd - Daventry
- Daver Steels Ltd - Sheffield
- Davey Machining Centre - Ipswich
- Davey Site Services Ltd - Milford Haven
- Davic Fitted Bedrooms - Sawbridgeworth
- David Baker - Waterlooville
- David Dobson - Dungannon
- David Moir - Aberdeen
- David & J R Schofield Ltd. - Oldham
- David & Joanne Treseder - St Austell
- David Band (Metals) Ltd. - Perth
- David Beard - Ormskirk
- David Bilton Engineering Ltd. - North Shields
- David Blanks - Royston
- David Bowler and Sons Ltd - Southampton
- David Bradley Engineering Ltd. - Brockenhurst
- David Brown - Whitland

David Brown Gear Systems Ltd - Huddersfield- David Brown Hydraulics Ltd. - Poole
- David C T Crook - Ashton under Lyne
- David Clayton - Nottingham
- David Cochrane (Duns) Ltd. - Duns
- David Cookson Photography - Wigan
- David Coton (Design) - Cwmbran
- David Daccus & Associates - Leeds
- David Dexter Associates Ltd. - London
- David Dowling Ltd. - Romford
- David E Gaskin - Thame
- David Edwards & Associates Llp - Clevedon
- David Eley Associates - Ulverston
- David Engineering - Willenhall
- David Fifield - Abingdon
- David Ford Mechanical & Electrical Ltd. - Sheffield
- David Garman Lighting - Marlborough
- David Gathercole Race Preparation - Peterborough
- David Gibson Conservatories - Bangor
- David Gordon & Louise Tattershall - Bridport
- David Graham - Cobham
- David Gray - Bath
- David Grundy Agricultural Engineers - Lincoln
- David Hagar - Swindon
- David Hardie Engineering Ltd - Dumfries
- David Harries & Co - Carmarthen
- David Harrison Handling Solutions Ltd. - Ely
- David Hather - Doncaster
- David Hoare Ltd. - Chichester
- David Hodkin - Matlock
- David Horn Communications Ltd. - Luton
- David Hulse Engineering and Fabrication - Stoke on Trent
- David Hunt Castings - Romsey
- David J Mellor - Poole
- David J Niker - Reading
- David John Lighting Company - Manchester
- David John Sillito - Oakham
- David K Jackson - Luton
- David Kellett and Partners Ltd - Hereford
- David Kirkby Associates - Godalming
- David Kotlewski - Cupar
- David Latham (Steel Trading) Ltd - Coleford
- David Laycock - Colne
- David M Price - Lampeter
- David Mallinson - Huddersfield
- David Matthews Ltd. - Swansea
- David Mccullough and Co - Belfast
- David McNulty Fitted Furniture - Leicester
- David Mellor Design Ltd. - Hope Valley
- David Olive - Gloucester
- David Paterson General Engineers Ltd. - Elgin
- David Perkins Site Welding - Burton on Trent
- David R Milward - Macclesfield
- David Reekie and Sons Ltd - Renfrew
- David Richards Engineering Ltd. - Southampton
- David Robert Cox - Fareham
- David Roberts Engineering Ltd. - Caerphilly
- David Ross Fabrications - Leicester
- David S Anderson - St Neots
- David S Pickford - Manchester
- David Scanlan - Melksham
- David T Hedges - Banbury
- David Terence Dewitt Associates - Halstead
- David Thorn and Sons Ltd - Leigh on Sea
- David W Jones - Treharris
- David W Watt - Coniston
- David Walker Engineering Services - Ramsgate
- David Walsh Joinery - Clitheroe
- David Warsop and Co - Barnsley
- David Webster Ltd. - Harlow
- David Wilkinson Ltd. - Doncaster
- David William Sheldon - Sheffield
- David Williams (Llandudno) Ltd. - Llandudno
- David Wilson and Associates - Saltburn by the Sea
- David Wolfenden & Co. Ltd. - Newbury
- Davidson Fabrications Ltd. - Buckley
- Davidson Williams (Merseyside) Ltd - Birkenhead
- Davies & Nelson Engineering Co. Ltd. - Tewkesbury
- Davies Bros (Metal Finishers) - Birmingham
- Davies Catering Equipment - Telford
- Davies D P - Shrewsbury
- Davies Environmental Uk Ltd - Coventry
- Davies Joinery Products - Birmingham
- Davies Kevin Cookers & Boilers - Llandysul
- Davies Precision Grinding Ltd. - Birmingham
- Davies S - Wigan
- Davies Scrap Metals - Tredegar
- Davies Springs Ltd. - Redditch
- Davies Woven Wire Ltd - Cradley Heath
- Davinci Creative Textiles - Walsall
- Davinson & Mason Ltd. - Leicester
- Davis & Snell (Engineering) Ltd. - Barnstaple
- Davis Access Platforms Ltd - Bristol
- Davis Cash and Co Ltd - Enfield
- Davis Derby Ltd. - Derby
- Davis Engineering - Maryport
- Davis Ornamental Ironwork - St Helens
- Davis Pneumatic Systems Ltd - Plymouth
- Davis Scientific Treatments Ltd. - Tewkesbury
- Davis Sheet Metal & Fabrications - Southampton
- Davison & Pack Ltd. - Rushden
- Davison Forklift Ltd - Wolverhampton
- Davison Tyne Metal Ltd. - Hexham
- Davjon Engineering Services - Wolverhampton
- Davlec Ltd - Welshpool
- Davley Fabrications - Halifax
- Davpal Pallets - Daventry
- Davrek Engineering - Eastbourne
- Davromatic Precision Ltd - Rugby
- Davron - Stockport
- Davturn - Bromsgrove
- Davy Co Ltd - Gateshead
- Davy Engineering Ltd. - Solihull
- Davy Systems - Sheffield
- DavyMarkham - Sheffield
- Dawes Cycles Ltd. - Birmingham
- Dawley Metals Ltd. - Brierley Hill
- Dawmed International Ltd. - Rotherham
- Dawn Engineering - Cambridge
- Dawn Fire Ltd. - High Wycombe
- Dawn Retail Systems Ltd. - Airdrie
- Daws Blinds - Swindon
- Dawson & Son Ltd - Leeds
- Dawson Construction Plant Ltd. - Milton Keynes
- Dawson Downie Lamont Ltd - Glenrothes
- Dawson MMP Ltd. - Barnsley
- Dawson Precision Components Ltd - Oldham
- Dawson Shanahan Ltd - Potters Bar
- Dawson-Bowman Ltd. - Glasgow
- Dawsonrentals Portable Cold Storage Ltd - Sutton in Ashfield
- Dawton Engineers Ltd - Sheffield
- Day and Zimmermann Ltd - Stockport
- Day Recycling Ltd - Northampton
- Day Signs - Totnes
- Daybrook Interiors - Kingston upon Thames
- Daylight Management Systems Ltd. - Bradford
- Dayton Engineering Company Ltd - Coventry
- Dayton Granger International - High Wycombe
- Dayton Progress Ltd. - Kenilworth
- DB Crane Ltd - Dudley
- DB Engineering Services UK Ltd - Ashton under Lyne
- DB Projects Ltd - Grangemouth
- Dc Blinds - Strabane
- DC Dingwall - Kingussie
- DC Engineering - Newport (IOW)
- DC Plastics and Co - Birmingham
- DC Welding Fabrication - Ledbury
- DC White and Partners Ltd - Hook
- DC-Tek Ltd - Arlesey
DCA Design International - Warwick- DCE Holne (R and D) Ltd - Kingsbridge
- Dcf Associates Ltd. - Gloucester
- Dcr Engineering Co Ltd - Newton Aycliffe
- Dcv Precision Ltd - Farnham
- DD Engineering - Kings Lynn
- Dd Fabrications - Carlisle
- Dd Subsea Ltd. - Insch
- DDC Dolphin Ltd - Poole
- DDP Tools Ltd - Redditch
- De Broise - Somerton
- De Burgh & Associates Ltd. - Swadlincote
- De Flow Ltd. - Woodbridge
- De Graaff & Partners - Aylesford
- De Graaff Trailers - Woking
- De Havilland Support Ltd - Cambridge
- De Smet Rosedowns Ltd - Hull
- De Soutter Medical Ltd - Berkhamsted
- De Tech - Darlington
- De-Icers (M H G ) Ltd. - Cheltenham
- De-Met Ltd. - Brierley Hill
- De-Signs - Mansfield
- De-Soutter Medical - Berkhamsted
- De-Sta-Co (Destaco) Cpi UK - Wolverhampton
- Deakin & Francis Ltd. - Birmingham
- Deakin Walton Ltd - Harrogate
- Deakin Walton Ltd - Haslemere
- Dealcompac Ltd. - Cardiff
- Dealercast Ltd. - Manchester
- Dealersense Ltd. - Chorley
- Deallow Ltd. - Eastbourne
- Dean Choice Ltd - Stockport
- Dean Engineering - Buckingham
- Dean F & Son - Accrington
- Dean Group International Ltd - Manchester
- Dean Precision Engineering - Worksop
- Dean Smith & Grace Ltd. - Keighley
- Deane & Amos Aluminium Systems Ltd. - Northampton
- Deane Joinery - Taunton
- Deans Engineering Supplies - Ellesmere Port
- Deans Systems Ltd. - Beverley
- Deansfield Metal Finishing Co. Ltd. - Wolverhampton
- Dearle and Henderson Ltd - London
- Dearson Tools Ltd - Birmingham
- Deason Joinery Ltd. - Leicester
- Deatons Metal Centre - Chesterfield
- Deba UK Ltd - Wokingham
- Debonair Curtains and Blinds - Bridgnorth
- Deburring Centre Ltd - Poole
- Deburring Services Ltd - Cheltenham
- Debut Doors - Kettering
- Dec Realisations Ltd. - Willenhall
- Deca Materials Handling Ltd. - Wantage
- Dechmont - Broxburn
- Deci-Coin Automats Ltd. - St Helens
- Declan Stewart Joinery - Banbridge
- Decma Ltd - Dudley
- Decor Blindmakers - Sheffield
- Decor Blinds - Birmingham
- Decor Blinds - St Helens
- Decor Interiors International Ltd. - Watford
- Decor Iron - Wednesbury
- Decora - Belfast
- Decorative Art Metals Ltd. - London
- Decorflair Ltd - Manchester
- Decorshade - Manchester
- Decra Roof Systems Ltd. - Crawley
- Dectel Security Ltd. - Basildon
- DED Ltd - Romney Marsh
- Dee Boiler Maintenance Co - Neston
- Dee Scan Ltd. - Wrexham
- Dee's Bespoke Joinery - Barton upon Humber
- Dee-Organ - Renfrew
- Deecon Engineering Ltd. - Bilston
- Deedmore Engineering - Coventry
- Deelee Engineering Services Ltd. - Swadlincote
- Deep Blue Engineering Solutions Ltd. - Aberdeen
- Deep Sea Seals Ltd - Havant
- Deepack Plastics Ltd - Deeside
- Deepdale Engineering Co Ltd - Dudley
- Deepdale Studio - Barton upon Humber
- Deepsea Engineering & Management Ltd. - Epsom
- Deeside Engineering Services - Wrexham
- Deeside Generator Rewinds (North Wales) Ltd - Deeside
- Deeside Marine - Dumfries
- Deeter Electronics Ltd - High Wycombe
- Deeter Engineering Services Ltd - High Wycombe
- Deeter Weighing Systems - High Wycombe
- Defabs Engineering Systems Ltd. - Derby
- Defiant Weighing Ltd. - Sevenoaks
- Definitive Joinery Ltd. - Pontypool
- Defuma - Huntingdon
- Deif (UK) Ltd - Stockport
- Deighton Engineers (Halifax) - Halifax
- Deighton Manufacturing (Uk) Ltd. - Bradford
- Dekomte de Temple Kompensator -Technik (UK) Ltd - Moreton in Marsh
- Dekton Components (Leicester) Ltd. - Leicester
- Del Cornock Engineering - Coalville
- Del Engineering (U K) Ltd. - Llanelli
- DEL Industrial Fastenings Ltd - Fleet
- Delap and Waller Ltd - Londonderry
- Delapena Honing Equipment Ltd. - Cheltenham
- Delaval Ltd. - Cardiff
- Delfield Precision Engineering Co. Ltd. - Ruislip
- Delite Blinds - Hayes
- Delkor (UK) Ltd - Radstock
- Dell Engineering Ltd. - Andover
- Delmatic Ltd. - London
- Delmer Precision Ltd - Romford
- Delmore Ltd - Bury St Edmunds
- Deloro Stellite - Swindon
- Delph Control Systems Ltd - Brierley Hill
- Delphi Diesel Systems - Sudbury
- Delpro Ltd. - Glossop
- Delrac ACS Ltd - Worcester Park
- Delron Services Ltd. - Maidstone
- Delstar Engineering Ltd. - Haverhill
- Delstron Systems - Burton on Trent
- Delta Aircraft Services Ltd. - Ilkeston
- Delta Balustrades - Bristol
- Delta Balustrades - Sandbach
- Delta Caravans Ltd - Hull
- Delta Catalytic (UK) Ltd - Immingham
- Delta Design Systems Ltd - Clacton on Sea
- Delta Display Design & Shopfitting - Stansted
- Delta Engineering - Castleford
- Delta Engineering (G B) Ltd. - Wolverhampton
- Delta Fabrications - Huntingdon
- Delta Fire Ltd - Norwich
- Delta Fire Systems Ltd. - Dudley
- Delta Fluid Products Ltd. - St Helens
- Delta GBN Ltd - Halesowen
- Delta Line Europe UK Ltd - Whitstable
- Delta Pacific Manufacturing Ltd. - Ely
- Delta Precision Engineering - Seaham
- Delta Precision Engineering Ltd. - Poole
- Delta Services Ltd - Braintree
- Delta Systems (Wisbech) Ltd. - Wisbech
- Delta Thermal Systems - Liverpool
- Delta Tooling - Horsham
- Delta Vacuum Precision Ltd. - Manchester
- Deltacrest 2000 Ltd. - Southam
- Deltair Airmotive Ltd. - Waterlooville
- Deltamech Services Ltd. - Eye
- Deltawaite Ltd - Workington
Deltec Industries Ltd - Poulton le Fylde- Deltic Engineering - Luton
- Delton Engineering - Ongar
- Delton Engineering Services - Swansea
- Delyn Metals Ltd. - Holywell
- Demag Cranes and Components Ltd - Banbury
- Demand Technology International Ltd. - Fleet
- Demax - Swaffham
- Demkel Ltd. - Rotherham
- Demma Controls Ltd. - Birmingham
- Demon Bikes - Newcastle upon Tyne
- Demon International Ltd - Ivybridge
- Denby and Sharp Ltd - Preston
- Denca Controls - Widnes
- Dench Engineering - Sheffield
- Denco Engineering - Slough
- Denco Ltd - Hereford
- Denco Ltd - Runcorn
- Denebank Precision Engineering (UK) Ltd - Sunbury on Thames
- Denford Projects Ltd - Brighouse
- Denholm Rees & O'Donnell Ltd. - Liverpool
- Denholt Industrial Fabrications - Halifax
- Denis Ferranti Group - Bangor
- Denko Engineering Service - Stockport
- Denley Engineering - Coventry
- Denley Hydraulics Ltd - Heckmondwike
- Denley Instruments - Colchester
- Denman Instrumentation Ltd. - Hessle
- Denmay Steel & Hire Co. - Brighton
- Denmic Engineering - Wakefield
- Denne Metal Finishing Ltd - Horsham
- Denner-Kelford Grinding Ltd - Birmingham
- Dennis Baldwin & Sons Ltd - Keighley
- Dennis Eagle Group Ltd. - Warwick
- Dennis Hawkins Welding - Newport Pagnell
- Dennis Heath - Twickenham
- Dennis Rowlandson & Maggie Smith - Basingstoke
- Dennis Signs - Wolverhampton
- Dennis W Green - Bourne
- Denny Engineering Ltd - Norwich
- Denroy Precision Engineers Ltd. - Hyde
- Dens Metals Ltd. - Dundee
- Denso Manufacturing Uk Ltd. - Telford
- Denso Sales UK Ltd - Coventry
- Dent Instrumentation Ltd - Colne
- Dent Steel Services (Yorkshire) Ltd - Bradford
- Denton Blinds - Burton on Trent
- Denton Blinds - Manchester
- Denton Containers 2000 Ltd - Romney Marsh
- Denton Pumps (Kent) Ltd. - Tonbridge
- Denvic Ltd. - Kidderminster
- Denward Manufacturing Ltd. - Chelmsford
- Denwire Ltd - Dudley
- Denys Halsall Associates Ltd - Sidmouth
- Dep Pipes Ltd - Maidstone
- DePe Gear Company Ltd - Stoke on Trent
- Dependable Springs & Pressings Ltd. - Wolverhampton
- Deprag Ltd - Whitchurch
- Deptford Sheetmetal - London
- Derbrich Fabrications Ltd. - Grimsby
- Derby & Co. (Minerals) Ltd. - London
- Derby Bearings Ltd - Derby
- Derby Care & Mobility - Derby
- Derby Mobility Services Ltd. - Ripley
- Derby Racing Services Ltd. - Derby
- Derbyshire & Sons Ltd. - Widnes
- Derbyshire Castings Ltd. - Altrincham
- Derbyshire Industrial Structures Ltd. - Chesterfield
- Derbyshire Packaging Systems Ltd. - Chesterfield
- Derek Anthony Ltd. - Oldham
- Derek Chinn Precision Engineers - Bedford
- Derek Connor - Enniskillen
- Derek Durant Associates - East Grinstead
- Derek Gammons Engineering Associates Ltd. - Oldham
- Derek George Knowles - Manchester
- Derek H Bell Smith and Stewart - Newcastle upon Tyne
- Derek Hawkins Ornamental Ironwork - Northampton
- Derek James Brown - St Albans
- Derek Lane and Co Ltd - Exeter
- Derek Miller Scrap Metals - Kings Lynn
- Derek Nash Tools - Walsall
- Derek Parkinson - Grimsby
- Derek Parnaby Cyclones International Ltd - Ferryhill
- Derek Raphael (Holdings) Ltd. - London
- Derek Scarboro Engineering - Boston
- Derek Senior Plumbing & Heating - Hebden Bridge
- Derek Taylor Engineering Ltd - Manningtree
- Derek W Horspool - Nottingham
- Deri Jones and Associates Ltd - Machynlleth
- Derian Engineering Ltd - Barrow in Furness
- Derick Lamprell - East Grinstead
- Deritend Aviation Windings - Luton
- Deritend Electro-Mechanical Services Ltd. - Pontypridd
- Deritent Induction Services - Walsall
- Derlwyn Drums - Llandysul
- Dermaco Ltd. - Dunstable
- Dernaseer Engineering Ltd. - Dungannon
- Dero Fabrication Ltd. - Worcester
- Derrick Lowe Pattern Making - Chesterfield
- Derrins Joinery - Penicuik
- Derry Paper & Book Conservation - Nottingham
- Derry Precision Tools - Londonderry
- Derwen Tooling Ltd - Pontypridd
- Derwent Castings Ltd. - Matlock
- Derwent Design - Ripley
- Derwent Engineering - Sheffield
- Derwentside Precision Gears Ltd - Stanley
- Derwood & Abel Ltd. - Rainham
- DES Operations Ltd - Aberdeen
- Des Gosling Mobility Ltd. - Derby
- Des Group Ltd - Brentford
- Desa Systems Ltd. - Huddersfield
- Desboro Jig Builders - High Wycombe
- Descant Ltd. - Bathgate
- Design & Manufacture Ltd. - Merthyr Tydfil
- Design 2 Print (Llandudno) Ltd. - Llandudno
- Design A Blind - Leicester
- Design and Engineering - Ulverston
- Design Brief 7 - Milton Keynes
- Design Enterprises - Stevenston
- Design Initiative Ltd. - Lewes
- Design International Ltd - Ruthin
- Design IV - Hereford
- Design Joinery - Benfleet
- Design Paradigm Ltd - Huddersfield
- Design Rationale Ltd. - Hatfield
- Design Reality Ltd - Rhyl
- Design Signs - Watford
- Design Synergy Ltd - Kettering
- Design Tech Ideas Ltd. - Newquay
- Design Technology International Ltd - Ipswich
- Design-A-Sign - Halifax
- Designation Ltd. - Peterborough
- Designbrook Ltd. - Wokingham
- Designcode Ltd. - Ellesmere Port
- Designer Blinds - New Tredegar
- Designer Blinds & Interiors Ltd. - Nantwich
- Designer Gates & Railings - Rainham
- Designer Ironsmith Of Arundel - Arundel
- Designer Woodwork Service - Sheffield
- Designplan Lighting Ltd. - Sutton
- Designs for Blinds - Sheffield
- Designs In Aluminium - Peacehaven
- Designs on Engineering - Chelmsford
- DesignTech Solutions Ltd - Gloucester
- Desire2display Ltd - Stoke on Trent
- Desktop Engineering Ltd. - Witney
- Desman Engineering Ltd. - Mansfield
- Desmi Ltd. - Newcastle
- Dessian Products Ltd - Belfast
- Dessian Scotland - Bellshill
- Deswood Precision Ltd. - Dorking
- Detail Sheet Metal (Kent) Ltd - Dartford
- Detecto Scale - Bury St Edmunds
- Detector Technologies Ltd. - Alton
- Detectortesters - Hatfield
- Dethleffs (Uk) Ltd. - Cleethorpes
- Detroit Solar - Nottingham
- Deublin Ltd - Andover
- Deutz UK Ltd - London
- Deva Forge Fabrication - Chester
- Deva Tap Co. Ltd. - Leigh
- Devaco International Ltd - Chester
- Devanon Plastics Ltd. - Ely
- Devco Engineering - Bradford
- Development & Technology Ltd. - Melton Mowbray
- Develtek Ltd. - Aberdeen
- Devereux Robert B - Watford
- Deveron Blinds - Turriff
- Deville & Lear Ltd - Ashbourne
- Devin Consulting Ltd. - North Shields
- Devizes Reclamation Ltd - Devizes
- Devizes Steel Supplies - Melksham
- Devlieg-Bullard Inc - Nuneaton
- Devol Engineering Ltd - Greenock
- Devon & Somerset Engineering Co. Ltd. - Minehead
- Devon Forklift Services - Exeter
- Devon Metalcrafts Ltd. - Exmouth
- Devon Motor Caravans Ltd - Ferryhill
- Devon Signs - Exmouth
- Devon Spirals - Paignton
- Devonport Royal Dockyard Pension Trustees Ltd - Plymouth
- Devonshire Blinds Ltd - Thornton Cleveleys
- Dewar Mobility - Bridlington
- Dewhurst Dent Textiles - Manchester
- Dewhurst Engineering Ltd. - Blackburn
- Dewhurst Plc - Hounslow
- Dexion Comino Ltd - Bromsgrove
- Dexter Magnetic Technologies Europe Ltd - Slough
- DFL Material Handling Ltd - Darlington
- DG Controls Ltd - Swadlincote
- DG Health and Mobility - Worcester
- Dg Warping Ltd. - Nottingham
- DGR Engineering - Wolverhampton
- DH Stainless Ltd - Accrington
- Dhanjal S K - Birmingham
- DHD Engineering Services Ltd - Wrexham
- DHF Engineering Ltd - Melksham
- Dhf Ltd. - Dewsbury
- Dhl Bathroom Supplies Ltd. - Bristol
- Dhp Engineers Ltd. - Rotherham
- DHR Sheet Metal Fabrication - Huddersfield
- Di-Spark Ltd. - Waterlooville
- Diagenics Ltd. - Milton Keynes
- Diageo Abercrombie - Alloa
- Dial Gauge Repair Service - Burgess Hill
- Dial Patterns Ltd - Ashford
- Dial Time Systems Ltd. - Chorley
- Diamedica - Barnstaple
- Diametric Metal Fabrications Ltd. - Rugeley
- Diamond - Birkenhead
- Diamond Anchor Co. Ltd. - Chesterfield
- Diamond Autos - Glasgow
- Diamond Blinds - Maesteg
- Diamond Blinds Ltd - Bedford
- Diamond Compressor Services Ltd - Derby
- Diamond Conservatories & Windows (Kettering) Ltd. - Kettering
- Diamond Corrugated Cases Ltd. - Londonderry
- Diamond Diesels (Uk) Ltd. - Leeds
- Diamond Drilling - Lowestoft
- Diamond Engineering - Milton Keynes
- Diamond Engineering and Drilling Services Ltd - Bathgate
- Diamond Engineering Ltd - Saffron Walden
- Diamond Gleam - Blackpool
- Diamond Ground Products Ltd - Huntingdon
- Diamond Mechanical & Electrical Engineering Services Ltd - Wickford
- Diamond Metal Finishing Co Ltd, The - Stoke on Trent
- Diamond Power Services - Bolton
- Diamond Power Specialty Ltd - Dumbarton
- Diamond Precision Engineering Wirral Ltd - Birkenhead
- Diamond Products International Ltd - Aberdeen
- Diamond Scientific - Darlington
- Diamond Windows - Maldon
- Diamond Wood Partnership - Bury
- Diamond Wood Partnership - Leicester
- Diamro Engineering & Fabrication Co - Sheffield
- Diaploy Ltd. - Ilkeston
- DIAQUIP Sales and Services - Cheadle (Cheshire)
- Dibone Engineering Ltd. - Stroud
- Dicam Technology Ltd. - Halesworth
- Dick and Dodman Partnership - Oxford
- Dick Lane Metals - Bradford
- Dick Trader - Leeds
- Dick Webb Sheet Metal Worker - Wakefield
- Dicker Precision Components Ltd. - Hailsham
- Dickerman Overseas Contracting Co. Ltd. - Kettering
- Dickinson & Battley - Hitchin
- Dickinson U K Becton Ltd. - Oxford
- Dicky B Marine - Plymouth
- Dicol Precision Engineering UK Ltd - Clacton on Sea
- Dicom Ltd - Alfreton
- Dicom Technologies Ltd - Basingstoke
- Dicon Safety Products (Europe) Ltd - Gloucester
- Dictator Engineering Ltd. - Maidstone
- Didafab - Brighton
- Didsbury Engineering Company Ltd - Wilmslow
- Dielise - Middlesbrough
- Diemasters Ltd. - Greenford
- Diemax Precision Engineering Ltd - Dundee
- Diemould Service Co. Ltd. - High Wycombe
- Diesel Controls Ltd - Carluke
- Diesel Marine International Ltd. - North Shields
- Diesel Quads Ltd. - Amlwch
- Diesel Recon UK Ltd - Cumbernauld
- Diespark - Birmingham
- Dietiker Metals Ltd - Manchester
Diffusion Environmental Systems - West Molesey- Digby Alan W - Wellingborough
- Digicast Ltd. - Leicester
- DiGiCo UK Ltd - Chessington
- Digital Contracts Management Ltd. - Oldham
- Digital Documents Ltd. - West Malling
- Digital Echo Ltd - St Albans
- Digital Lift Controls Ltd. - Daventry
- Digital Metal Ltd - Pontefract
- Digital Office Copiers Ltd - Rayleigh
- Digital Office Supplies Ltd - Southend on Sea
- Digital Vision Technologies Ltd. - Newcastle
- Digwoods Ltd. - Bridgnorth
- Dihurst Holdings Ltd - Exmouth
- Dilcon Ltd. - Havant
- Dimar Ltd Aluminium Extrusions - Farnham
- Dimension Four - Northampton
- Dimill Engineering Ltd. - Studley
- Dimuken (G.B.) Ltd - Peterborough
- Dinkie Heel plc - Bristol
- Diomed Ltd - Cambridge
- Direct Access Suplies - Ely
- Direct Blinds (U K) Ltd. - Peterborough
- Direct Boiler Services - London
- Direct Chairframes - Leeds
- Direct Digital Ltd. - London
- Direct Engineering (Scotland) Ltd. - Paisley
- Direct Engineering Ltd - Rushden
- Direct Fabrications (Banbury) Ltd. - Banbury
- Direct Gaskets Ltd. - Hull
- Direct Hydraulics Ltd. - Bury
- Direct Lift Services Ltd - London
- Direct Medical Plastics Ltd - Leamington Spa
- Direct Metal Services Ltd. - Dartford
- Direct Mobility Hire Ltd. - London
- Direct Pallet Supplies - Bolton
- Direct Quality Conservatories - Swansea
- Direct Steel Stockholders Ltd. - Colchester
- Directives Advisory Services Ltd. - Wigan
- Directoright - Worcester
- Direkt Engineering Services - Newcastle upon Tyne
- Dirtbikestore Uk Ltd. - Bridgwater
- DIS (Stoke-On-Trent) Ltd - Stoke on Trent
- DISA Industries A/S (UK Branch) - Halesowen
- Disability Equipment Services - Warrington
- Disabled Living Centre - Stamford
- Disablement Services Centre - Romford
- Disco Drives (King's Lynn) Ltd - Kings Lynn
- Discount Desk Centre Ltd. - Bonnybridge
- Discovery Design and Management Services Ltd - Dundee
- Dispak (Holdings) Ltd - Melksham
- Dispak (Midlands) Ltd - Whitchurch
Dispensing Liquid Ltd - Huntingdon- Display Lighting Ltd - Altrincham
- Display Refrigeration Hire Ltd. - Gloucester
- Disposables & Catering Supplies - Chelmsford
- Diss Fasteners Ltd - Diss
- Distinctive Joinery - Stockport
- Ditch Witch - Chesterfield
- Ditch Witch UK - Swansea
- Diva Metalwork Ltd - Faversham
- Divers Warehouse Ltd - Bradford
- Diverse - Barnsley
- Diversia Ltd - Ross on Wye
- Dixi Ltd - Coventry
- Dixon Bate Ltd - Deeside
- Dixon Carriage & Equine Services Ltd - Cambridge
- Dixon Engineering - Milton Keynes
- Dixon Group Europe Ltd - Preston
- Dixon Hall & Co. Ltd. - Batley
- Dixon Hurst Partnership - Hove
- Dixons Blinds - Lewes
- Dixons Surgical Instruments Ltd. - Wickford
- Diy Trailers - Llandysul
- Diytools Com - Watford
- DJ Engineering - Thame
- DJ Installations and Fabrications Ltd - Newcastle upon Tyne
- DJ Price - Shrewsbury
- DJ Tym (Engineering) - Rainham
- DJ Williams and Son - Caernarfon
- DJH Engineering Ltd - Consett
- DJJ Precision Engineering Ltd - Pontypool
- DJM Precision Engineering - Towcester
- Djm Sheet Metal - Leeds
- Djn Ltd. - Washington
- DJS Power Ltd - Coventry
- DK Jones Ltd - Alcester
- DK Jones Ltd - Middlesbrough
- DK Precision - Bideford
- DKE Ltd - Waterlooville
- DKM Sheet Metal Co Ltd - Stonehouse
- DKP Engineering Services - Pontypool
- DL Access Control Systems Ltd - Dalkeith
- DLD Engineering - Clacton on Sea
- DLI Engineering Ltd - Trimdon Station
- DLP Engineering - Leicester
- Dlp Ltd. - Douglas
- DM Engineering - Bolton
- Dm Message Ltd - Blyth
- Dmd (2000) Ltd. - Aberdeen
- DMD Electronic Engineers Ltd - Enfield
- DMD Transmissions - Wolverhampton
- DMDesign - Brighton
- Dmdl Ltd. - Telford
- DMH Blacksmiths Ltd - Inverness
- DMM Engineering Ltd - Caernarfon
DMN UK Ltd - Calne- DMOptics - Weston super Mare
- DMP - Glasgow
- DMP Group - Slough
- DMS Joinery - Grimsby
- DMS Laser Profiles Ltd - Maidenhead
- DMS Ltd - Nottingham
- Dn Fabrications - Norwich
- DNA Engineering - London
- Dnc Machine Tools Ltd. - Swindon
- DNS Engineering Services - Bournemouth
- Do Fit Blinds - Cardiff
- Dobbin Refrigeration - Lisburn
- Dobbs Blind Makers Ltd. - Lincoln
- Doble PowerTest - Guildford
- Dobson & Beaumont Ltd. - Blackburn
- Dobson Engineering - Salisbury
- Dobsons Civil Engineering and Construction Ltd - Malton
- Doby Verrolec (T/u Doby Cleats Ltd) - Stanley
- Doc's Away Ltd. - High Peak
- Dockgrange Ltd. - Barking
- Docscan Ltd. - Bristol
- Document Control Services Ltd - Peterborough
- Document Destruction Co. Ltd. - Batley
- Document Intelligence Ltd. - Edinburgh
- Docutex Ltd. - Belfast
- Dodd Engineering (North West) Ltd - Chorley
- Dodman Ltd - Kings Lynn
- Doidge Fastenings Ltd - Droitwich
- Doig Springs - a trading name of TWM - Fraserburgh
- Doity Engineering Ltd. - Rochdale
- Dolphin Leisure Ltd - New Milton
- Dolphin Lifts - Bristol
- Dolphin Signs - Newport
- Dom UK - Harlow
- Dome Engineering Services - Wigan
- Domestic Boiler Services - Runcorn
- Domglade Ltd. - High Wycombe
- Domic Welding and Sheet Metal Services - Redditch
- Dominic Davison - Kings Lynn
- Dominion Tool & Die Co. - Grays
- Domino UK Ltd - Cambridge
- Domnick Hunter Ltd - Gateshead
- Don Barker Ltd. - York
- Don Bur Bodies and Trailers Ltd - Stoke on Trent
- Don Bur Service Ltd - Stoke on Trent
- Don Controls Ltd - Leeds
- Don Mcchristie - Alness
- Don Smith Blinds Ltd. - Northampton
- Don Springs (Sheffield) Ltd. - Sheffield
- Don Thomas - Camborne
- Don Valley Engineering Co. Ltd. - Doncaster
- Don Whitley Scientific Ltd - Shipley
- Donaghy Joinery Works - Armagh
- Donald A Boswell - Spalding
- Donald Ellis Engineering Ltd - Castlederg
- Donald Engineering and Design - Carlisle
- Donald Povey - Uxbridge
- Donaldson Associates Ltd - Glasgow
- Donaldson Associates Ltd - Uttoxeter
- Donaldson Associates Ltd - York
- Donaldson Filter Components Ltd. - Hull
- Donaldson Filtration (GB) Ltd - Leicester
- Donati Ltd. - Bootle
- Doncaster Amtech - Axminster
- Doncaster Cables - Doncaster
- Doncaster Scrap Metals - Doncaster
- Doncasters - Ryde
- Doncasters Group Ltd - Derby
- Doncasters Precision Forgings Ltd - Sheffield
- Doncasters Structures Ltd - Sheffield
- Donfabs and Consillia Ltd - Derby
- Donika - Harrogate
- Donington Packaging Supplies Ltd. - Spalding
- Donnelly Engineering - Uxbridge
- Donovan Marrison Ltd - Richmond on Thames
- Dontaur Engineering Ltd. - Ballymena
- Doon Valley (Heat Treatment) Ltd - Airdrie
- Door and Gatecraft - Bournemouth
- Door Maintenance Co. Ltd. - Cardiff
- Door Repair Service - Manchester
- Door Repair Specialists Ltd. - Bradford
- Door Services (Bristol) Ltd. - Bristol
- Door Services Plus Ltd - Bury St Edmunds
- Door Spring Supplies Co - Wellingborough
- Door Springs Ltd - Smethwick
- Door Springs Ltd - Tipton
- Door Store - Grimsby
- Door Support - Hartlepool
- Door System UK Ltd - Batley
- Doorfit Products Ltd. - Birmingham
- Doors & Hardware Ltd. - Sutton Coldfield
- Doors & Joinery Trading - Huddersfield
- Doors for Industry Ltd - Stoke on Trent
- Doorworks Ltd - Falkirk
- Doosan Babcock Energy Services - Selby
- Doosan Infracore UK Ltd - Cardiff
- Dor-O-Matic - Ingersoll Rand Security Technologies - Leamington Spa
- Dorabridge Design & Build Ltd. - Rochester
- Doran Engineering - Newcastle
- Dorcas Engineering Ltd. - St Neots
- Dorchester Fabrications - Dorchester
- Dordon Brick and Tile Cutting Ltd - Atherstone
- Dore Metal Services Ltd - Sittingbourne
- Doreth Engineering Co. Ltd. - Birmingham
- Dorick Production Tools - Solihull
- Dorking Oak and Pine - Dorking
- Dorma UK - Dunfermline
- Dorma UK Ltd - Bristol
- Dorman - Southport
- Dorman Machinery Ltd - Coventry
- Dormer Tools Ltd - Sheffield
- Dorothea Restorations Ltd. - High Peak
- Dorsend Supplies Ltd. - Caerphilly
- Dorset Aluminium Products Ltd. - Dorchester
- Dorset Bike - Bournemouth
- Dorset Conservatory Blinds - Poole
- Dorset Food Machinery - Bournemouth
- Dorset Leisure Centre - Bridport
- Dorset Sheet Metal Products Ltd - Wimborne
- Dorset Waste Services - Poole
- Dorsetware Ltd - Poole
- Dortec Industrial Door Services - Sunderland
- Dortrend International Ltd - Stourport on Severn
- Dosco Overseas Engineering Ltd - Newark
- DOTgroup International - Luton
- Double 'S' Exhausts Ltd. - Cullompton
- Double G Engineering Ltd. - Coventry
- Double Kk Engineering - Sawbridgeworth
- Double M Ltd - Sutton in Ashfield
- Double R Controls Ltd. - Heywood
- Doublescale Ltd - Ammanford
- Doublewood Engineering - Witham
- Doubt - Chester
- Doug Edwards Plant Services - Bridgend
- Doug Taylor Metal Finishing - Banwell
- Dougall Baillie Associates Ltd - Glasgow
- Doughty Engineering Ltd. - Ringwood
- Douglas Design - Ripley
- Douglas Engineering - Melton Mowbray
- Douglas Equipment Ltd. - Cheltenham
- Douglas Pine - Wymondham
- Douglas Precision Ltd - St Leonards on Sea
- Douglas Road Recycling Centre - Sheffield
- Douglas Signs - Blackburn
- Dougs Cycles - Studley
- Doulton Shutter Doors - Rowley Regis
- Dove Anodising Ltd. - Thetford
- Dove Door Services - Stoke on Trent
- Dove Technology UK Ltd. - Worcester
- Dove Thermal Engineering Ltd - Uttoxeter
- DoveBid - Thames Ditton
- Dovetail Joinery - Liverpool
- Dovetail Joinery - Pershore
- Dovetail Joinery (Oxford) Ltd - Carterton
- Dovetail Pine - Morpeth
- Dovetail Reproductions - Rotherham
- Dovetails Pine - London
- Dovetails Pine Centre Ltd. - Worcester
- Dowdeswell Engineering Co. Ltd. - Southam
- Dowding & Mills Engineering Services - Wirral
- Dowding & Mills Investments Ltd - Birmingham
- Dowding and Mills - Bacup
- Dowding and Mills Calibration Ltd - Glenrothes
- Dowding and Mills Calibration Ltd - Stockport
- Dowding and Mills Electricals plc - Bellshill
- Dowding and Mills Engineering Services Ltd - Hemel Hempstead
- Dowding and Mills Engineering Services Ltd - Ryton
- Dowding and Mills plc - York
- Dowding Precision C N C Ltd. - Milton Keynes
- Dowell & Maskell Precision Engineering Ltd. - Cradley Heath
- Dowell Engineering - Coalville
- Dowers - Liss
- Dowling & Fransen (Engineers) Ltd. - Wembley
- Dowling Sewing Machines - Wickford
- Dowling Stoves - Newton Stewart
- Dowlings Fieldsports - Beaconsfield
- Dowlings Sewing Machines - Romford
- Down & Francis Ltd - Birmingham
- Down Pallets - Newtownards
- Downey Engineering - Hereford
- Downhurst Engineering Ltd. - Pershore
- Downie Consulting Engineers Ltd. - London
- Downie Design Associates Ltd. - Cheltenham
- Downs Design & Development Ltd. - Bristol
- Downstream Environmental Engineering Ltd. - Bedford
- Dowse Engineering - Milton Keynes
- Dowsett E V & Sons - Derby
- Dowson Blades Ltd. - Workington
- Dowson Engineering - Coventry
- Dowson Engineering Ltd. - Bingley
- Dowson M J - York
- Dowty Bonded Seals - Newtown
- Doxbond - Douglas
- Doyen Medipharm Ltd - Wymondham
- Doyle Partnership - Huddersfield
- Doyle Trevor R - Romford
- Doyle Upholstery Services - Bicester
- Doyles Scrap Metal Processors - Sunderland
- Dp 2000 Sheet Metal Ltd. - Rugby
- DP Automatics Ltd - Holsworthy
- Dp Consulting Engineers Ltd - Chichester
- DP Mobile Welding - Reading
- DP Textiles Ltd - Manchester
- DPAC UK Ltd - Wisbech
- DPB Engineering - Bracknell
- DPGE Rebuilds Ltd - Chippenham
- Dpl Engineering Ltd - Faringdon
- DQR Precision Ltd - Colchester
- DR and AF Cooper Ltd - Llanymynech
- Dr B K Wignall - London
- Dr D Lavelle & Associates Ltd. - Holywood
- DR Design Associates - Salford
- DR Engineering - Carlisle
- Dr J H Burgoyne & Partners - Glasgow
- Dr J H Burgoyne and Partners - Manchester
- Dr P R Lewis & Associates - Brackley
- DR Tooling - Accrington
- Dracup (Uk) Ltd - Bradford
- Draeger Safety U K Ltd. - Blyth
- Draft Wheelchairs Ltd - Huntingdon
- Dragon Design Ltd - Weymouth
- Dragon Display Systems Ltd. - Telford
- Dragon Pallets Ltd. - Deeside
- Dragon Steel Services Ltd. - Chester
- Dragon Welding - Hengoed
- Dragonmobility Ltd. - Cambridge
- Drain Center Civils - Norwich
- Drainage 2000 Ltd. - Chesterfield
- Drainage Spares & Pipework Supplies Ltd. - Braintree
- Draka UK Ltd - Leeds
- Draka Wire - Llanelli
- Drake Tooling & Abrasives Ltd. - Newton Abbot
- Drallim Industries Ltd - St Leonards on Sea
- Dramar - Huntingdon
- Dramex Expanded Metal Ltd - Redditch
- Dransfield Fabrication - Cleckheaton
- Dransfields Engineering Services Ltd - Manchester
- Dransfields Engineering Services Ltd. - Oldham
- Dranshaw Ltd. - Frome
- Drapers Pallet Trucks - Hertford
- Drawn Metal Holdings Ltd. - Leeds
- drawTREND Ltd - Poulton le Fylde
- Draycast Foundries Ltd - Chesham
- Drayton PACS - Burton on Trent
- Drayton Tank and Accessories Ltd - Sheffield
- Drayton Windows Ltd. - Norwich
- DRB Engineering Ltd - Birmingham
- DRB Ltd - Mold
- DRB Machining Ltd - Deeside
- DRB Power Transmission Ltd - Deeside
- Dreamcatcher Homes Ltd - Southampton
- Dreamland Quilts - Gateshead
- Dreamtex - Manchester
- Dreenan Engineering - Castlederg
- Dresser Natural Gas Solutions - Skelmersdale
- Dresser Rand Ltd - New Malden
- Dresser-Rand (U K) Ltd. - Aberdeen
- Dresser-Rand Company Ltd - Peterborough
- Driffield Refrigeration - Driffield
- Driftwood Joinery - Barnstaple
- Driftworks Ltd - Birmingham
- Drill Service (Horley) Ltd. - Horley
- Drillcut Ltd. - Bristol
- Drillgear - Aberdeen
- Drilling & Pumping Supplies Ltd. - Newtownards
- Drilling & Tapping Services - Alcester
- Drilling Supplies Ireland Ltd. - Newry
- Drillserve Ltd - Camborne
- Drillturn Engineering Ltd. - Hebburn
- Drillwell Ltd - Sheffield
- Drive Inc Ltd - Woking
Drive Lines Technologies Ltd - Bedford- Drivedata Systems Ltd - Kidderminster
- Driveline Glasgow - Johnstone
- Drivelink U K Ltd. - Gateshead
- Driver Engineering - Leicester
- Driver Southall Ltd. - Walsall
- Drives International Ltd - Letchworth
- Drivetrain Ltd. - Manchester
- Driveworks - Warrington
- Dromafield Ltd. - Dudley
- Dropsa U K Ltd. - Egham
- Drove Weaving Co - Langholm
- Drr Engineering Ltd. - Stansted
- DRS Consulting Engineers Ltd - Glenrothes
- Drs Moving Group Ltd - Washington
- Drs Tactical Systems Ltd. - Farnham
- Drum Bearings - Omagh
- Drum Closures Ltd. - Millom
- Drum Disposal & Recycling Services Ltd. - Rainham
- Drum Engineering - Omagh
- Drum International Ltd. - Bradford
- Drum Technology - Hull
- Drumahoe Engineering - Londonderry
- Drumclean - Halifax
- Drummond Security Ltd. - Potters Bar
- Drury Precision Engineering Ltd. - Alford
- Drury Refrigeration Ltd. - Blackpool
- Drurys Engineering Ltd - Hitchin
- Drysdale Brothers (Larbert) Ltd. - Larbert
- Drytec Contract Processing Ltd. - Tonbridge
- DS Control Valves Ltd - Blyth
- DS Smith Multigraphics - Bradford
- DS Technology UK Ltd - Birmingham
- DS Welding Services - Huntingdon
- Dsf Delmec Ltd. - Blackburn
- Dsm Industrial Engineering Ltd - Nottingham
- DSM Scrap Metal Merchants - London
- DSP Consultants Ltd - South Croydon
- Dspace Ltd - Cambridge
- Dss Training Ltd. - Worksop
- Dss Welded Fabrications Ltd. - Matlock
- DSSR - London
- DST Group Ltd - Morecambe
- DT Engineering Marine and Mechanical Ltd - Newport (IOW)
- DTH Engineering Ltd - Worksop
- DTP Supplies - Rochdale
- DTS Engineering Ltd - Manchester
- Du Pont Powder Coatings (UK) Ltd - Darlington
- Dual Brown - Stockton on Tees
- Dual Pumps Ltd - Melton Mowbray
- Dublok UK Ltd - Altrincham
- Duchy Fasteners Ltd. - Perranporth
- Duchy Hose and Hydraulics Ltd - Falmouth
- Duckworth & Kent (Reading) Ltd. - Reading
- Duckworth & Kent Ltd. - Baldock
- Duct Engineering (Luton) Ltd. - Luton
- Ductile Castings Ltd - Scunthorpe
- Ductile Stourbridge Cold Mills - Coventry
- Ducting Express - Oakham
- Ductwork (Wolverhampton) Ltd. - Wolverhampton
- Ductwork Design & Installation Ltd. - Manchester
- Dudley Designs and Technical Services Ltd - Kingswinford
- Dudley Factory Doors Ltd. - West Bromwich
- Dudley Safes Ltd. - Dudley
- Dudley Section Benders - Dudley
- Dudley Tool Presswork and Engineering Ltd - Stourbridge
- Dudley's Architectural Aluminium - Cardiff
- Dudley's Engineering (Witney) Ltd - Witney
- Duemas Technology Ltd. - Swansea
- Duffy Gary S - Doncaster
- Dukes Joinery - Southport
- Dukinfield Induction Heating Services Ltd - Ashton under Lyne
- Dukinfield Metal Spinning Ltd. - Manchester
- Dula Engineering Co - Aylesbury
- Dumbleton & Son (Joiners) Ltd. - Bicester
- Dumbstruck - Shrewsbury
- Dumfries Caravan Centre - Dumfries
- Dumfries Hydraulic Services - Dumfries
- Dumfries Tool Room - Dumfries
- Dun-Bri Services Ltd. - Buntingford
- Dunbar Dean Electric Transport Ltd. - Bournemouth
- Dunbar Joinery - London
- Dunblane Light Engineering Ltd. - Stirling
- Duncan Cooper & Chadwick - Bath
- Duncan Propellers Ltd - Newton Abbot
- Duncan Rogers (Eng) Ltd - Glasgow
- Duncan Rogers Ltd - Bristol
- Duncan Sandhurst Engineering - Liverpool
- Dundonald Blinds - Belfast
- Dunelm Supplies Ltd. - Crewe
- Dunham-Bush Ltd. - Havant
- Dunipace Engineering and Transport - Denny
- Dunkerley Paul G - Skegness
- Dunlop Aerospace Group Ltd. - Coventry
- Dunlop Aircraft Tyres Ltd. - Birmingham
- Dunlop Hi-Flex South West - Plymouth
- Dunlop Hiflex Fluidpower Ltd - Banff
- Dunlop Hiflex Fluidpower Ltd - Basildon
- Dunlop Hiflex Fluidpower Ltd - Birmingham
- Dunlop Hiflex Fluidpower Ltd - Blaydon on Tyne
- Dunlop Hiflex Fluidpower Ltd - Carlisle
- Dunlop Hiflex Fluidpower Ltd - Leeds
- Dunlop Hiflex Fluidpower Ltd - Scunthorpe
- Dunlop Hiflex Fluidpower Ltd - Sittingbourne
- Dunlop Hiflex Fluidpower Ltd - Worcester
- Dunlop Hiflex Southern Counties - Winchester
- Dunlop Powerbend UK Ltd - Sunderland
- Dunn & Cowe Ltd. - Brierley Hill
- Dunn & Shaw - Aldershot
- Dunn and Co (Engineering Supplies) Ltd - Ballynahinch
- Dunn Brothers (1995) Ltd. - Smethwick
- Dunnell Engines - Stowmarket
- Dunning Automatics - Weymouth
- Dunns Engineering Resource Ltd - Mitcheldean
- Dunphy Combustion Ltd - Rochdale
- Dunrave (Precision Engineers) Ltd. - Cwmbran
- Dunsden Colin P - Cambridge
- Dunsley Heat Ltd - Huddersfield
- Dunsmore Products Ltd. - Rugby
- Dunstall Design Consultancy Ltd. - Wolverhampton
- Dunster House Ltd. - Bedford
- Dunston (Ship Repairs) Ltd. - Hull
- Dunton Ltd. - Tamworth
- Duo Tool Co. - Glasgow
- Duo-Tech (U K) Ltd. - Dursley
- Duotool Ltd. - Ellon
- Duplex Cleaning Machines (U K) Ltd. - Whitstable
- Dupois Bedding Co. - St Helens
- Dura Ltd - Brackley
- Dura Shifter Systems U K Ltd. - London
- Durable Fabricators Ltd. - Ware
- Durable Signs UK Ltd - Bridlington
- Durabuild Conservatories Ltd - Coventry
- Duradrive Transmission Components - Sutton in Ashfield
- Duration Windows - Canvey Island
- Duravit Uk Ltd. - Milton Keynes
- Durbin Engineers Ltd - Worcester Park
- Durbin Metal Industries Ltd - Yate
- Durcon Products International Ltd. - Shepperton
- Durham Duplex - Sheffield
- Durham Filtration Engineers Ltd. - Hebburn
- Durham Foundry (Sheffield) Ltd. - Sheffield
- Durham Precision Engineering Ltd - Newton Aycliffe
- Durham Sheet Metal Works Ltd - South Shields
- Durnbury Ltd - Halstead
- Durr Ltd - Warwick
- Durrans Heating Services - Towcester
- Durrant Engineering - Colchester
- Durston (Uk) Ltd. - Biggleswade
- Durty Blinds - Glasgow
- Duscovent Engineering Ltd - Stockport
- Duslasst Ltd - Burton on Trent
- Dust Control Engineering Ltd - High Wycombe
- Dust Control Systems Ltd - Dewsbury
- Dust Extraction International Ltd - Pudsey
- Dust Spares Ltd. - Oakham
- Dustacco Engineering Ltd - Newmilns
- Dustcheck Ltd - Stoke on Trent
- Dustolex Ltd. - Littleborough
- Duston Engineering - Northampton
- Duston Oils - Northampton
- Dustraction Ltd - Leicester
- Dutch Engineering Services Ltd - Kings Lynn
- Dutton Broth - Birkenhead
- Dutton Engineering (Woodside) Ltd. - Sandy
- Dutton Simulation Ltd - Kenilworth
- Duve Components (U K) Ltd - Rotherham
- Duxbury Caravans - Chorley
- DW Engineering - Consett
- DW Sheet Metal Ltd - Kinross
- DW Thomson - Perth
- Dwayne Edwards Ltd. - St Albans
- DWB Engineering - Tarporley
- DWR Precision Engineering Ltd - Birmingham
- Dwyer Consulting Ltd - Sidcup
- Dyas Electrical - Grimsby
- Dyco Engineering - Derby
- Dye Parts Textile Engineering - Wigston
- Dyer Engineering Ltd - Stanley
- Dyer Welding Services Ltd - Ipswich
- Dyers Metal Mesh Ltd. - Yeovil
- Dyers Quality Joinery Ltd. - Reading
- Dyfed Steels (Southern) Ltd - Shaftesbury
- Dyfed Steels Ltd - Llanelli
- Dyke Engineering Ltd - Newtown
- Dylan Roberts Fabrication Co. - Denbigh
- Dylan UK Ltd - Rugby
- Dymag Racing U K Ltd. - Chippenham
- Dymarch Ltd - Coventry
- Dymet Alloys Division of Corewire Ltd - Aldershot
- Dyn-Metal Ltd - London
- Dynacast (U K) Ltd. - Alcester
- Dynafluid Ltd - Telford
- Dynamic Balancing Services - High Wycombe
- Dynamic Calibration Services Ltd. - Bristol
- Dynamic Controls Ltd. - Oldham
- Dynamic Die & Steel (Sheffield) Ltd. - Sheffield
- Dynamic Europe Ltd - Droitwich
- Dynamic Handling Systems Ltd - Sleaford
- Dynamic Manufacturing Solutions Ltd - Fareham
- Dynamic Monitoring Ltd - London
- Dynamic Profiles Ltd. - Coventry
- Dynamic Technical Products Ltd. - Birmingham
- Dynamic-Ceramic Ltd - Crewe
- Dynamotive Ltd. - Coalville
- Dynasurf(U.K.) Ltd - Sandbach
- Dynic Ltd - High Wycombe
- Dynomax Uk Ltd. - Horncastle
- Dynomite Performance Motorcycles - Bournemouth
- Dyson Diecasting Ltd - Bletchley
- Dyson Powder Coatings Ltd. - Poole
- Dyson TPM Ltd - Dewsbury
- Dysons Ceramics Systems - Stoke on Trent
- DYTECH Catalyst Technologies - Sheffield
- Dytecna Ltd - Malvern
- Dytecna Systems Engineering (Syen Ltd) - Welshpool
- Dyvels Pine Furniture - Corbridge
- Dyvig Forge - Colchester
- Dywidag Systems International Ltd. - Southam

