Company Index
- D and A Systems Ltd - Middlesbrough
- D and K Wiring Services - Luton
- D and M Machinery - Wakefield
- D and R Electro-Optics Ltd - Rhyl
- D Benson (Controls) Ltd - Normanton
- D Howorth and Son Ltd - Rochdale
- D V Electronics - Yateley
- D V R Electronics - Hemel Hempstead
- D'Lec Components Ltd - Rochester
- D-Link UK - London
- D-TACQ Solutions Ltd - East Kilbride
- DA Electronics - Nottingham
- Dabbrook Power Systems - Great Yarmouth
- Dabscom plc - Bolton
- DAC Ltd - Nelson
- Daco Scientific Ltd - Aldermaston
- Dacoll Ltd - Hampton
- DACS (Electrical) Ltd - Deeside
- Daewoo Electronics (UK) Ltd - Antrim
- Daewoo Electronics Sales Ltd - Wokingham
- Dage Precision Industries - Aylesbury
- Dagnall Electronics Ltd - Bedford
- Dakal Ltd - Northampton
- Daktron - East Boldon
- Daktronics UK Ltd - Bristol
- Dalau Ltd - Clacton on Sea
- Daleba Electronics Ltd - Hertford
- Dalen Ltd - Birmingham
- Daletech Electronics Ltd - Pudsey
- Dalman Technical Services Ltd - Andover
- Dalroad Norslo Ltd - Luton
- Daly Telecommunications - Leicester
- Damar International Ltd - Leicester
- Dames Non Ferrous Metal Recyclers Ltd - Derby
- Dan Electronics - Cambridge
- Danbury Electronics - South Woodham Ferrers
- Danfoss Bauer - Winsford
- Danfoss Ltd - Uxbridge
- Danfoss Randall Ltd - Bedford
- Danglo Ltd - Stevenage
- Danial Josefsson Ltd (Specialised Electronics) - Wolverhampton
- Daniel Europe Ltd - Stirling
- Danielson (UK) Ltd - Aylesbury
- Dannell Electronics Ltd - Saffron Walden
- Dantec Dynamics Ltd - Portishead
- Dantech Electronic Engineering - Maldon
- Dantech Ltd - March
- Dantom Production Solutions Ltd - Warrington
- Danum Well Services Ltd - Doncaster
- DAPR Industrial Electronics Ltd - Accrington
- Daresbury Laboratory - Warrington
- Darlington Electronics (Stockport) Ltd - Stockport
- Dartpoint Ltd - Romney Marsh
- Dash Computer Products / Nice Label - Clitheroe
- Data and Power Solutions - Taunton
- Data Cables and Mouldings Ltd - Crewe
- Data Display UK Ltd - Waterlooville
- Data Encryption Systems Ltd - Taunton
- Data Harvest Group Ltd - Leighton Buzzard
Data Physics UK Ltd - Hailsham- Data Room Supplies Ltd - Hertford
- Data Supplies and Accessories Ltd - Stirling
- Data Teknologies Ltd - Bromsgrove
- Data Track Process Instruments Ltd - Christchurch
- Data Translation Ltd - Basingstoke
- Data Vision Europe - Wootton Bassett
- Datacolor International - Altrincham
- Datacom Technology - Nottingham
- Datacomm UK Ltd - Cambridge
- Datacraft - Norwich
- Dataline Software Ltd - Brighton
- DataLink Communications - Loughrea
Datalink Electronics Ltd - Loughborough- Datalogic Scanning - Watford
- Dataman Programmers Ltd - Dorchester
- Datanet - Leighton Buzzard
- Datapage Ltd - Luton
- Dataplex Computers Ltd - Slough
- Dataplex Systems Ltd - Manchester
- Dataqwest Ltd - Corby
- Datascope Recruitment - London
- Datasensor UK Ltd - Bicester
- Dataserv-CES Ltd - Staines
- Datasharp Telecom (Chiltern) - Gerrards Cross
- Datasharp TT - Banbury
- Datasupplies (Stationery) Ltd - Ryton
- Date Electronic Supplies - Newport (Gwent)
- Datec Technologies Ltd - Kilwinning
- Datek Services UK Ltd - Musselburgh
- Datron Technology Ltd - Milton Keynes
- Datum CAD Ltd - Gloucester
- Datum Dynamics Ltd - Cumnock
- Datum Electronics Ltd - East Cowes
- Datum House Ltd - Market Rasen
- Datwyler UK Ltd - Swindon
- Dau Components Ltd - Bognor Regis
- Daval Controls Ltd - Bridgnorth
- Davec Telecom Incorporating JCS Security Systems - Sheffield
- Davico Industrial Ltd - West Bromwich
- David Ball Projects Ltd - Blackburn
- David Harrison and Sons Ltd - Huddersfield
- David McClure Ltd - Stockport
- Davin Optronics Ltd - Watford
- Davis (Decade) Ltd - Birmingham
- Davlec Ltd - Welshpool
- Davtrend Ltd - Portsmouth
- Dax International Ltd - Tewkesbury
- Day International (UK) Ltd - Dundee
- Dayford Designs Ltd - Stroud
- DB Brooks Electrical Engineers Ltd - Heanor
- DB Industrial Fasteners Ltd - Stevenage
- DBI - London
- DBK Technitherm Ltd - Pontyclun
- DC Allen Ltd - Poole
- DC Electronics - Ellesmere Port
- DC Plastic Handrails Ltd - Newcastle upon Tyne
- DC Technologies - Halifax
- DC-Daylight Ltd - Cardiff
- DCA Design International - Warwick
- DCB Automation Ltd - Halesowen
- DCP Microdevelopments Ltd - Attleborough
- DCW Scotland Ltd - Kilmarnock
- DDC (United Kingdom) Ltd - Newbury
- DDR Ltd - Rugby
- De La Rue plc - Basingstoke
- DE Millwood - Malvern
- Deaf Alerter PLC - Derby
- Dealec - Dover
- Dean and Wood Ltd - Leatherhead
- Deans Engineering (Livingston) Ltd - Livingston
- DEB Electronics Ltd - St Albans
- Deben Group Industries Ltd - Woodbridge
- Deben UK Ltd - Bury St Edmunds
- Debro Systems - Shipley
- Deco Leisure and DARE Pro-Audio - Birmingham
- DED Ltd - Romney Marsh
- Dedicated Micros Ltd - Manchester
- Dee Communications Ltd - Chester
- Deebridge Electrical Engineers Ltd - Aberdeen
- Deeco Ltd - Paola
- Deep Sea Electronics plc - Scarborough
- Deephaven Ltd - Newbury
- Deeter Electronics Ltd - High Wycombe
- Defuma - Huntingdon
- DEHN (UK) Ltd - Huddersfield
- Deister Electronic UK Ltd - Spalding
- DEK Printing Machines Ltd - Weymouth
- Delcam International plc - Birmingham
- Dell Computer Corporation Ltd - Bracknell
- Delmia Ltd - Knutsford
- Deloitte Consultancy - Bath
- Delor Design Ltd - Dunfermline
- Delphi Diesel Systems Ltd. - Gloucester
- Delta Batteries (of Bury) Ltd - Bury
- Delta Controls Ltd - Molesey
- Delta Design - Kings Langley
- Delta Design Systems Ltd - Clacton on Sea
- Delta Electronics Europe - East Kilbride
- Delta Impact Ltd - Hungerford
- Delta Line Europe UK Ltd - Whitstable
- Delta plc - London
- Deltec Industries Ltd - Poulton le Fylde
- Deltec Power Distributors Ltd - Bedford
- Deltex Medical Ltd - Chichester
- Delton Electric Ltd - Birmingham
- Deltra Electronics Ltd - Wembley
- Deltron UK Ltd - Scunthorpe
- Deltronics - Llanelli
- DEM Manufacturing Ltd - Scunthorpe
- Demand-It Computer Solutions - Reading
- Demco Communications Ltd - Wembley
- Demeter Windings - Chelmsford
- Demon Internet - London
- Denbridge Marine Ltd - Birkenhead
- Denca Controls - Widnes
- Dencon Accessories Ltd - Harlow
- Denis Ferranti Group - Bangor
- Denmans Electrical Wholesalers Ltd - Skelmersdale
- Densitron Technologies plc - London
- Denso Manufacturing Midlands Ltd - Birmingham
- Deposition Technology - Bathgate
- DERA - Defence Evaluation and Research Agency - Salisbury
- Derby Electronics - Derby
- Derwent Systems Ltd - Cramlington
- Design Digital Solutions Ltd - Leeds
- Design Drafting Services and ABC Trophies - Bury
- Design Environmental Ltd - Ebbw Vale
- Design Interface Ltd - Bury St Edmunds
- Design International Ltd - Ruthin
- Design LED Products Ltd - Livingston
- Design Synergy Ltd - Kettering
- Design Techniques Ltd - Hinckley
- Design2xL Ltd - Staines
- Designer Systems - Truro
- DesignWrights Ltd - Liss
- Detech Europe Ltd - Bridlington
- Detector Electronics (UK) Ltd - Slough
- Detica Group plc - Guildford
- Deutsch UK - St Leonards on Sea
- DEV Engineering - Carlisle
- Deva Electronic Controls Ltd - Birkenhead
- Deval Ltd - New Milton
- Devantech Ltd - Diss
Devlin Components - Basingstoke- Devlin Electronics Ltd - Basingstoke
- Devondale Electrical Distributors Ltd - Exeter
- DeWalt Industrial Power Tool Co Ltd - Spennymoor
- Dewetron UK Ltd - Faringdon
- Dexdyne Ltd - Cirencester
- Dexter Magnetic Technologies Europe Ltd - Slough
- Dfx Technology - Witney
- DG Colour Ltd - Warminster
- DG Controls Ltd - Swadlincote
- DG Edworthy Associates - Heathfield
- DG Systems Support Ltd - London
- DGF Electrical Wholesale - Warrington
- DH Electronics (London) Ltd - London
- Dia-Nielsen (UK) Ltd - London
- Diagnostic Sonar Ltd - Livingston
- DiagnoSYS Ltd - Petersfield
- Dial Art (PC) Ltd - Christchurch
- Dial Electronics Ltd - Washington
- Dialight BLP Ltd - Newmarket
- Dialog Semiconductor Ltd - Swindon
- Diamond Coatings Ltd - Halesowen
- Diamond Electronics Ltd - Sandbach
- Diamond H Controls Ltd - Coventry
- Diamond People Ltd - Bromyard
- Diamond Point International Ltd - Rochester
- Diamond Software (Audenshaw) Ltd - Manchester
- Diaphragm Pumps Ltd - Stoke on Trent
- Diatron Assembly Systems Ltd - Norwich
- Dice - Horsham
- Dicoll Ltd - Reading
- Die Technology Ltd - Oldham
- Dieline/Rykel - Wirral
- Digi-Box.co.uk Ltd - Harpenden
- Digi-Key Corporation - Abbots Langley
- DiGiCo UK Ltd - Chessington
- Digital Development - Douglas
- Digital Inspection Systems Ltd - Southampton
- Digital Projection Ltd - Manchester
- Digital Television Systems Ltd - Newbury
- Digitax Electronics UK Ltd - North Shields
- Digitel Technology Ltd - Barnstaple
- Digitext Display Systems Ltd - Dunmow
- Digitimer Ltd - Welwyn Garden City
- Digitrol Ltd - Swansea
- Dimplex / Glen Dimplex UK Ltd - Southampton
- Dinsley Devices Ltd - Barnard Castle
- Dione plc - High Wycombe
- Dionex (UK) Ltd - Leeds
- DIP International Ltd - Cambridge
- Direct Bearings and Power Transmissions Ltd - Broadstairs
- Direct Communications Radio Services Ltd - St Ives (Huntingdon)
- Direct Insight Ltd - Banbury
- Direct Instrument Hire - Ormskirk
- Direct Systems (Software) Ltd - South Croydon
- Direct Telecom - Huddersfield
- Direct Telecom Services Ltd - St Neots
- Directcells.com - Liverpool
- Disco Hi-Tec UK Ltd - East Grinstead
- Disksource Ltd - Stevenage
- Display and Component Technology - Oxford
- Display Electronics - Thornton Heath
- Display Future Ltd - Aberdeen
- Display Solutions Ltd - Huntingdon
- Display Technology Ltd - Rochester
- Displaze Ltd - Aylesbury
- Distributed Micro Technology Ltd - Sandhurst
- Distributed Technology - Oxted
- DIT- MCO International - Brough
- Ditton Thermatics Ltd - Staines
- Diverse Technologies and Systems Ltd - Cambridge
- DJ Birchall Ltd - Bury St Edmunds
- DJ Circuits Ltd - Harrogate
- DJS Electronics Ltd - Weymouth
- DKL Metals - Linlithgow
- DL Designs - High Wycombe
- DL Electrical Supplies Ltd - London
- DLL Nozzle Heaters - Worcester
- DM (Kent) Electronics Ltd - Ramsgate
- DMG Control Systems - Washington
- DMS Technologies - Romsey
- DMV UK - Yarm
- DNC Electronics Ltd - Swindon
- Documation Software Ltd - Eastleigh
- Doel Engineering Ltd - Witham
- Dogegg Ltd - Manchester
- Dok-Tek Systems Ltd - Bristol
- Dolby Laboratories Inc - Wootton Bassett
- Dolphin Electronics Ltd - Northampton
- Dominic Evans Electronics - Worcester
- Domnick Hunter - Chester le Street
- Don Controls Ltd - Leeds
- Donovan Auto Electrics Ltd - Gosport
- Dorlec Ltd - Chesterfield
- Dorman Smith Switchgear Ltd - Witham
- Dorman Varitext - Middlesbrough
- Dorrick Services - Bracknell
- Double D Electronics Ltd - Gravesend
- Douglas Company, The - Market Harborough
- Douglas Electronic Industries Ltd - Louth
- DoveBid - Thames Ditton
- Dowding and Mills (Scotland) Ltd - Larbert
- Dowding and Mills Calibration Ltd - Camberley
- Dowding and Mills Calibration Ltd - Hitchin
- Dowding and Mills Electronics - Warrington
- Dowding and Mills Engineering Services Ltd - Ryton
- Dowding and Mills plc - Sheffield
- Dowding and Plummer Ltd - Birmingham
- DP Fabrications Ltd - Bedford
- DP Seals Ltd - Poole
- DPG/Form Fittings - Rotherham
- DR Security and Electrical - London
- Dragon Computer Remarketing Ltd - Havant
- Dragon Design Ltd - Weymouth
- Draka Comteq UK Ltd - Washington
- Draka UK Ltd - Derby
- Draper Tools Ltd - Chandlers Ford
- Drawmer Electronics Ltd - Rotherham
- Draycast Foundries Ltd - Chesham
- Drewlec Ltd - Bournemouth
- Driftgate 2000 Ltd / Opsec Marketing Ltd - St Neots
- Drive Systems Ltd - Preston
- DrivePro Ltd - Watford
- Dron And Dickson Group - Stirling
- Drucegrove Ltd - Waltham Abbey
- Drumgrange Ltd - Chertsey
- Dry Battery Supplies - Bristol
- Dryden Brown Ltd - Southampton
- DS - Neptune Developments Ltd - Lingfield
- DS Smith Packaging - Portishead
- DSG-Canusa - Plymouth
- DSH Electronics Ltd - Bradford
- DSL Systems Ltd - Nottingham
- DSM Technical Publications Ltd - Peterborough
- DSP Design - Chesterfield
- DSPG Ltd - London
- DSR Batteries Ltd - Haverfordwest
- DTL Broadcast Ltd - Hayes
- DTS Process Technologies - Kilmarnock
- Du Pont (UK) Ltd - Bristol
- Du Pont (UK) Ltd - Middlesbrough
- Du Pont (UK) Ltd - Wrexham
- Dubilier - Dunmow
- Duddon Electronics - Kendal
- Dunasfern - Bletchley
- Duplex CSA Ltd - St Neots
- Duracell UK - Crawley
- Dustolex Ltd - Rochdale
- DVA Controls - Colwyn Bay
- DVR Ltd - Basildon
- DVS LTD - Cardiff
- Dwyer Instruments Ltd - High Wycombe
- Dwyran Design and Development Ltd - Anglesey
- Dy-tech Ltd - Crawley
- Dyfed Electronics Ltd - Milford Haven
- Dyna-lec - Sheffield
- Dynamic Computer Services - Leeds
- Dynamic Display Ltd - Dorchester
- Dynamic EMS Ltd - Dunfermline
- Dynamic Imaging Ltd - Livingston
- Dynamic Load Monitoring (UK) Ltd - Southampton
- Dynamic Test Systems - Ware
- Dynamix Technology Ltd - Kidlington
- Dyne Technology Ltd - Lichfield
- Dynoptic Systems Ltd - Brackley
- Dyprom Electronics - Nottingham
- Dytronics Ltd - Barton upon Humber
