Company Index
- M & D Foundations & Building Services Ltd - Doncaster
- M & G Steel Fabrications Ltd - Hook
- M & M's Metalwork Ltd - Winchester
- M & R Concrete Products - Doncaster
- M A C Pitman - Wotton under Edge
- M A Fabrications - Carlisle
- M and B Plant Hire Ltd - Sittingbourne
- M and C Builders - Bridgend
- M and C Hinton - Swindon
- M and D Fabrications Ltd - Eastleigh
- M and F Plant Hire - Liverpool
- M and J Geraghty Plant Hire Ltd - Halifax
- M and J Harker Ltd - Goole
- M and J Plant and Transport Ltd - New Tredegar
- M and J Plant Hire - Manchester
- M and J Welding Specialist - Aylesbury
- M and L Civil Engineering Ltd - Bromsgrove
- M and M Fabrications - Newry
- M and N Engineering Services Ltd - Grimsby
- M and P Fabrications - Batley
- M and P M Greenwood - Preston
- M and R Hire Centre Ltd - Bury
- M and S Engineering Ltd - Annan
- M B Plant - Invergordon
- M B Plant - Peterhead
- M B Plant Hire - Ely
- M Baalham - Bury St Edmunds
- M Baxter - Wallingford
- M C Plant Hire - Perth
- M D F Specialised Coatings Ltd - Sheffield
- M Douglas and Co - Huddersfield
- M E P Hire Ltd - Bellshill
- M E Willis Ltd - York
- M F & T Ltd - Poole
- M F and E M Coyle - Builth Wells
- M G Benson - Harrogate
- M G F Ltd - Rugeley
- M G Olden - Romsey
- M G P Steel Erection - Hailsham
- M G Plant Hire - Lymington
- M G R Ltd - Leicester
- M H Equipment - Rochester
- M H F Plant Skip Hire Ltd - Worcester
- M H Laverick and Partners - Richmond
- M J B Architectural Products Ltd - Watford
- M J Bragg and Son - Crediton
- M J Brookes - York
- M J Church (Plant) Ltd - Chippenham
- M J Cox - Wantage
- M J Gore - Norwich
- M J Grace Civil Engineering Ltd - Abbots Langley
- M J Lighting Technology Ltd - Chester
- M J M Construction & Plant Hire - Preston
- M J Mccanny - Strabane
- M J Mccleave and Co - Belfast
- M J Plant Hire - Portsmouth
- M J Pragnell - Totland Bay
- M J Read - Bromyard
- M J Togher - Scunthorpe
- M J Troup Plant Hire - Callington
- M J Wilkinson - Poulton le Fylde
- M K Leslie Ltd - Shetland
- M Keating (Civil Engineering) - Heywood
- M L Plant Hire - Llandysul
- M L Plant Hire and Groundworkers - Halifax
- M M G Guards - Spalding
- M Mackay - Aberdeen
- M McManus - Romsey
- M Ormond Fabrications - Corby
- M P K - Wigan
- M Plant - Manchester
- M S M Contracts - Belfast
- M S R - Cradley Heath
- M S West and Son - Newport (IOW)
- M Selley - Hockley
- M Steel - Maidstone
- M Steels - Maidstone
- M T Buxton Industrial Services Ltd - Nottingham
- M T C Mini Diggers - Cranbrook
- M T M Construction Ltd - Aberdeen
- M T Wilde - Shrewsbury
- M Teevan Hire Co Ltd - London
- M V Hoskin Plant Hire - Bodmin
- M W George - Worcester
- M W Gozna Services Ltd - Exeter
- M W Johnston and Son - Lisburn
- M Webb - Kingswinford
- M Whittall - Shrewsbury
- M-Cut Anchor Systems Ltd - Atherstone
- M-Tec UK Ltd - Warrington
- M. & A. Doocey Plant Hire Ltd - Tipton
- M. & F. McNicholas Bros. Ltd - Hartlepool
- M. & M. Skip Hire Ltd - Witney
- M. A. Products Ltd - Tipton
- M. Anderson Construction Ltd - Chelmsford
- M. Daly Manpower Ltd - Gillingham
- M. J. Hickey (Plant Hire) Ltd - Iver
- M. Lambe Construction Ltd - Birmingham
- M. O'Brien (Plant Hire) Ltd. - St Albans
- M. O'Neill Plant Hire Ltd - Dunstable
- M. P. B. Fabrications Ltd - Oldham
- M. R. Structural Ltd - Norwich
- M.A.S.S. Computers Ltd. - Norwich
- M.D. Anthony Ltd - Ely
- M.D. Crane Hire Ltd - Brierley Hill
- M.E.B. Fabrications Ltd - Waterlooville
- M.G. Cosgrove Construction Ltd - Grays
- M.G.H. Hire Ltd - Market Rasen
- M.I.W. Holdings Ltd - Croydon
- M.J. Abbott Ltd - Salisbury
- M.J. Hickey Plant Hire & Contracts Ltd - Morpeth
- M.J. McCabe & Sons Ltd - Billingshurst
- M.J. Ryall Building Supplies Ltd - Hitchin
- M.S. Air Movement Ltd - Hitchin
- M.S.S.R. Forecourt Developments Ltd - Rotherham
- M.T. Kaill (Plant Hire) Ltd - Stockport
- M.W. Kellogg Ltd - Greenford
- M.W. Plant Hire Ltd - Ware
- M2M Contract Interiors Ltd - London
- MA Cherrington Ltd - Andover
- Mac Fabrications - Manchester
- Mac Hodgson - Yarm
- MAC Ltd - Limerick
- Mac Plant Construction Ltd - Bude
- MAC Services Ltd - London
- Mac Track - Callander
- MACC - Leicester
- Maccaferri Ltd - Oxford
- Macdale Conservatories Ltd - Blackpool
- Mach One International Ltd - Sheffield
- Maciain Ltd - Isle of North Uist
- Maciain North Uist Ltd - Isle of North Uist
- MacIntosh Haines and Kennedy - Croydon
- Mackenzie Plant - Motherwell
- Mackin's Concrete and Building Supplies - Newry
- Mackintosh Consultants - Mold
- Mackintosh Structures Ltd - Arbroath
- Maclay Civil Engineering Ltd - Airdrie
- Maclean Ardgay - Ardgay
- Macleod Associates - Isle of Lewis
- Macleod Consulting - Dundee
Macrete Ireland Ltd - Antrim- Madden Steel Erectors and Blacksmiths - Coatbridge
- Maddisons Bathrooms Ltd - York
- Madlin & Maddison - Farnham
- Mafkildea - London
- Magicscope Ltd - Haverhill
- Magna Plant and Tool Hire - Sheffield
- Magnet Schultz Ltd - Woking
- Magnum Fabrications - Spalding
- Maguire Contractors - Horsham
- Magus Electronics - Sandbach
- Mailboxes GB - Aldridge
- Main Fabrications Ltd - Barnsley
- Main Frame Direct - West Lavington
- Main-Fab Ltd - Saxmundham
- Mainland Contractors Ltd - Kettering
- Mainline Hire Ltd - Swadlincote
- Mainsprint Ltd - Wigan
- Major Refrigeration and Conditioning Services - Evesham
- Malbern uPVC Windows and Doors Ltd - Manchester
- Malbrook Conservatories Ltd - London
- Malcolm Coates - Caersws
- Malcolm Herbert - Carmarthen
- Mallon Patrick H - Bolton
- Maltaward Ltd - Horsham
- Maltone Engineering Services - Coalville
- Mammoth Mobile Crane and Plant Services - Benfleet
- Man Engineering - Newtownabbey
- MAN Ltd - Droitwich
- MAN Ltd - London
- Manchester Concrete Ltd - Sale
- Manchester Geotechnical Ltd - Manchester
- Mandale Stone Co Ltd - Matlock
- Mandarin Slate Ltd - Monmouth
- Mandco Ltd - Birmingham
- Mandor Engineering Ltd - Ashton under Lyne
- Manex Exhibition Contractors - Manchester
- Mango Personnel Ltd - Exeter
- Manley Raymond - Pontypool
- Manlift Enterprises - Gainsborough
- Manmart Ltd - Preston
- Mann Jones Plant Hire - Chesterfield
- Mann McGowan Group - Aldershot
- Manor Doors Ltd - Barking
- Manor House Developments (UK) Ltd - York
- Manor Plant Hire Ltd - Derby
- Manor Reproductions Ltd - Bromsgrove
- Manorhouse Stone - Coalville
- Mansell - Aberdeen
- Mansell - Watford
- Mansell Construction Services Ltd - Swaffham
- Mansell Plc - Croydon
- Manton Plant - London
- Manufacturing Support & Design Ltd - Hitchin
- Map Pipeline Construction Ltd - Bristol
- Map Plant - Colchester
- Map Plant Ltd - Barking
- Maple Grove Developments Ltd - Preston
- Maplin Electronics Ltd - Barnsley
- Maracom Ltd - London
- Marble Heating Co Ltd - London
- Marble Hill Fireplaces Ltd - Twickenham
- Marble Mosaic Co Ltd - Weston super Mare
- Marbonyx Ltd - Rochford
- Marcel Blum Chartered Architect and Surveyor - Edgware
- Marchday Group plc - London
- Marchstream Ltd - Birmingham
- Marchwood Conservatory Maintenance Ltd - Reading
- Marcliff Engineering - Banbury
- Marco Glass and Glazing - Bournemouth
- Marco Industries Ltd - Sittingbourne
- Marcon Buildings & Services Ltd - Horsham
- Marenda-Lindsey Ltd - Market Rasen
- Marine and Plant Diesel Services Ltd - Muir of Ord
- Marine Civil Engineering Ltd - Newton Abbot
- Marine Lighting (U K) Ltd - Birmingham
- Marine Scaffolding Ltd - Jarrow
- Mark Edward Dunning - York
- Mark Humphrey Ltd - Wokingham
- Marketbest Ltd - Yarm
- Markham Plant - Leamington Spa
- Marks Barfield Ltd - London
- Marland Fabrications Ltd - Sunderland
- Marlec Engineering Co Ltd - Corby
- Marley Building Materials Ltd - Sevenoaks
- Marley Floors Ltd - Maidstone
- Marlwood Group Ltd - Northampton
- Marlyn Engineering Ltd - Nelson
- Marmi E Granito - London
- Marmox (UK) Ltd - Rochester
- Marnhull Stone Ltd - Sturminster Newton
- Marriott Construction - Rushden
- Marshall Quarry Products Ltd - Scarborough
- Marshall-Tufflex Ltd - Hastings
- Marshalls Clay Products Ltd - Dewsbury
- Marshalls plc - Bury
- Marshalls plc - Wrexham
- Marske Fabrications & Engineers - Redcar
- Marston and Langinger Ltd - London
- Martanne Fabrication Services - Leicester
- Martech Technical Services Ltd - Huntingdon
- Martell Timber - Birmingham
- Martin and Partners - Northampton
- Martin Doyle Associates Ltd - Otley
- Martin Gee - Stoke on Trent
- Martin Gillard - Axminster
- Martin Harold J - Witham
- Martin McDermott - Whitchurch
- Martin Plant Hire - Dundee
- Martin Plant Hire Ltd - Falkirk
- Martin Plant Hire Ltd - Perth
- Martin Redwood - Yeovil
- Martin Robert J - Gravesend
- Martinson John - Scarborough
- Marton (Civil Engineering) Ltd - Cardiff
- Martyn Peters Consulting Structural Engineer - Hereford
- Marubeni-komatsu Ltd - Hamilton
- Marubeni-Komatsu Ltd - Redditch
- Maschke John Derek - Surbiton
- Mascus UK & IE Used Const, Agri, Transport,Mat Hand Eqiuip - Doncaster
- Masher Brothers - London
- Mason Engineering - Northallerton
- Mason G W - Weston super Mare
- Mason J H & Sons - Chester
- Masonbarn Ltd - Stockport
- Massey and Harris Ltd - Stockport
- Massimo Paloschi - London
- Master Concrete Ltd - Beith
- Master Concrete Northern Ltd - Liverpool
- Masterflex Technical Hoses Ltd - Oldham
- Masterglaze Ltd - Swansea
- Masterlay Products Ltd - Wickford
- Mastertiler - Rainham
- Mateers Plant and Construction - Rochester
- Material Edge Ltd - Macclesfield
- Material Resources Ltd - Windsor
- Matki plc - Yateley
- Matta Products (U K) Ltd - Bedford
- Matterson Ian - Westbury
- Matthew Charlton & Sons (Slaters) Ltd - Hexham
- Matthew Hiscock - Stockport
- Matthew John Dexter - Tamworth
- Matthews & Leigh Civil Engineering Ltd - Chorley
- Matthews of Keynsham Ltd - Bristol
- Maurer (U.K.) Ltd - Aylesbury
- Maurice Belton Ltd - Boston
- Maurice Parker Ltd - Derby
- Mawsley Machinery Ltd - Northampton
- Maxhire - Newcastle upon Tyne
- Maxi Mini Skips - Chichester
- Maxi Plant Hire - Leicester
- Maxmade - Prescot
- MaxMax Ltd - Eccleshall
- May Contractors Ltd - Solihull
- May Gurney Ltd - Norwich
- Mayer Plant Hire - Whitchurch
- Mayes Plant Hire Ltd - Ingatestone
- Mayfive Equipment Ltd - Ruthin
- Mayhew Concrete - Southampton
- Maylam C J Plant Hire - Cheltenham
- Maylarch Environmental Ltd - Oxford
- Maylux Engineering Ltd - Bolton
- Mayo Property Sales and House Ireland - Castlebar
- Maypine Construction Ltd - Wellingborough
- Mayquest Ltd - Cardiff
- MB Adamson Ltd - Preston
- MB Construction Ltd - Immingham
- MB Distribution (Cleveland) Ltd - Middlesbrough
- MBA Chartered Surveyors - Birmingham
- MBE Ltd - Spalding
- Mc (Keighley) Ltd - Keighley
- Mcadam Design - Newtownards
- McAleer and Teague - Omagh
- McAllister John Paul - Telford
- Mcalpine George and Sons Ltd - Glasgow
- Mcardle Group - Wembley
- Mcavoy - Banbridge
- McBrine Structures (Midlands) Ltd - Sutton Coldfield
- Mcburney Civils - Bargoed
- Mccaffery Construction Ltd - Wigston
- McCarrick Construction Co Ltd - Chester le Street
- Mcclean Plant Hire - Newcastle upon Tyne
- McCloskey and O'Kane Building Co Ltd - Londonderry
- McColl Associates - Edinburgh
- McComb Coach Works - Lincoln
- Mccormack Developments Ltd - Stirling
- Mcculloch Plant Hire - Tillicoultry
- MCD Engineering - Dungannon
- McDermott Building & Civil Engineering Ltd - Birmingham
- Mcdonald and Ross Ltd - Dalkeith
- McDonald Ceilings - Manchester
- Mcfadyen Contractors Ltd - Campbeltown
- Mcfen Haulage and Plant Ltd - London
- McGeoghan Plant Hire Ltd - Waltham Abbey
- McGill Electrical Ltd - Dundee
- McGill Electrical Ltd - Dunfermline
- McGill Electrical Ltd - Glasgow
- Mcgrane Engineering - Armagh
- Mcgrath Bros Construction Ltd - Birmingham
- McGrath Group Ltd - London
- McGrattan Piling Ltd / Jamie McGrattan Ltd - Glasgow
- Mcgregor Highlands Ltd - Fort William
- McGregor Polytunnels Ltd - Alresford
- Mcgrorys - Enniskillen
- McGuckin Plant Hire Ltd - Harlow
- Mcgurran Construction - Enniskillen
- McHallum Fraser - Stranraer
- MCI Electrotechnics Ltd - Aberdeen
- Mcilwaine and Sons - Ballynahinch
- Mcintosh and Robertson - Perth
- Mcivor and Sons Ltd - Ilkeston
- McKane T D & Son - Castlederg
- Mckee John Wesley - Newry
- Mckenna Equipment Hire - Fleetwood
- McKinlay Williams Estates Ltd - Sidcup
- Mckinley Plant Hire - Dromore
- Mckitterick Plant - Armagh
- MCL Civil Engineering Contractors Ltd - Aberdare
- McL Unitex Ltd - Heanor
- Mclaughlin - Coleraine
- Mclaughlin and Harvey Ltd - Newtownabbey
- McLaughlin J J - Wigan
- Mcleod and Aitken - Edinburgh
- Mcmahon Ltd - Stratford upon Avon
- Mcmanus Brothers - Newry
- McMullan John F - Ballymoney
- McMullen Architectural Systems Ltd - Craigavon
- McNamara Contractors Ltd - Romsey
- McNealy Brown Ltd - Sittingbourne
- McNicholas Construction Services Ltd - Borehamwood
- McNicholas Sean & Son - Billingham
- Mcphillips Ltd - Telford
- McQuaid Engineering Ltd - Dungannon
- Mcredmond Ltd - London
- McVickers Ltd - Consett
- Mdb Associates Ltd - York
- MDHS Asbestos Consultants - Oxford
- Mds Civil Engineering Ltd - Braintree
- MEC Bird Associates - High Wycombe
- Mech-Tool Engineering Ltd - Darlington
- Mechplant - Littleborough
- Mechplant Ltd - Durham
- Mecright Ltd - Cannock
- Mecserve Ltd - Wallington
- Mectech Services - Brentwood
- Meda Engineering - Stourbridge
- Medical Equipment Services Ltd - Oldham
- Mediterranean Stones Ltd - London
- Medlock Interiors Ltd - Oldham
- Medusa Concrete Services - Godstone
- Mee John Construction Ltd - Doncaster
- Meeres Civil Engineering Ltd - London
- Megamid Logistics Ltd - Liverpool
- Megan and Co (Civil Engineering) Ltd - Manchester
- Megaplant Ltd - Hull
- Meir Roofing and Insulation Supplies - Goole
- Melbury Greenstone Ltd - Shaftesbury
- Mellows Engineering Ltd - Nottingham
- Melton CFC Precast Floors - Liversedge
- Mendip Fireplaces (Somerset) - Shepton Mallet
- Mentorport Ltd - Southampton
- MEP Solutions - Ashington
- Merbro Welding - Gloucester
- Mercia Flooring - Rugby
- Mercian Industrial Doors (Southern) Ltd - Oldbury
- Mereway Ltd - Birmingham
- Meridian Controls Ltd - Crowthorne
- Meridian Land Surveys - Aberdeen
- Meridian Maritime International Ltd - Louth
- Meridian Plant Hire Ltd - Peterborough
- Meridian Welded Structures - Maidstone
- Merisier-Hamilton Ltd - London
- Merlett Plastics (UK) Ltd - Yate
- Merlin Control Systems Ltd - Richmond
- Merlin Interactive Ltd - Lisburn
- Merlin Lazer - Crowborough
- Merrill Brown Ltd - Nottingham
- Merseybeams Ltd - Wirral
- Merseyside Plant Hire - Wirral
- Merseyside Ship Repairers Ltd - Liverpool
- Merthyr Marble & Stone Co - Merthyr Tydfil
- Mervyn Dicker - Wigton
- Mervyn Lambert Plant Ltd - Thetford
- Mervyn Rose Engineering Ltd - Sturminster Newton
- Metainy Building Services Ltd - Sunbury on Thames
- Metal Craft Industries UK Ltd - Wellingborough
- Metal Creations - Falkirk
- Metal Edge - London
- Metal Fabrication & Fencing Co Ltd - Upminster
- Metal Fabrications Systems Ltd - Newcastle upon Tyne
- Metal Works UK Ltd - Hailsham
- Metalbuild Ltd - Liverpool
- Metalcraft Architectural Engineering Co Ltd - Barnoldswick
- Metalex - Enfield
- Metalion Ltd - London
- Metalline (Services) Ltd - Burntwood
- Metalmex - Sheffield
- Metalscope Ltd - Tewkesbury
- Metaltec Ltd - Salisbury
- Metalways Ltd - Leicester
- Metalwood Fencing Sales Ltd - St Albans
- Metalworks Fabrication and Welding - Whitby
- Metamix - Bilston
- Metcalfe Plant Hire Ltd - Penrith
- Metcalfe W & P M Plant Hire - Richmond
- Metcon - Christchurch
- Metnor Group plc - Newcastle upon Tyne
- Metra Non-Ferrous Metals Ltd - Hoddesdon
- Metro Ltd - Rayleigh
- Meynell Plant Hire Ltd - Leicester
- MF Engineering Ltd - Newton Aycliffe
- MF Tofield and Sons - Bletchley
- MG Asbury Flooring Centre Co Ltd - London
- MGC Lamps Ltd - Ipswich
- MGDP Construction Ltd - Glasgow
- MGF (Trench Construction Systems) Ltd - Ashton in Makerfield
- MGF (Trench Construction Systems) Ltd - Manchester
- MGF Trench Construction Systems Ltd - Buckingham
- MGF Trench Construction Systems Ltd - Durham
- MH Design - Retford
- MHA Integrated Electronic Services Ltd - Bolton
- MHI - Newark
- Mhr Designs Ltd - Bury St Edmunds
- Micam Ltd - Cork
- Michael A Whitfield and Associates - Redditch
- Michael Clancy Contractors Ltd - Cannock
- Michael Hunter & Sons Ltd - Ormskirk
- Michael J Johnson - Birmingham
- Michael John Worster - Cheltenham
- Michael Joyce Ltd - Ilford
- Michael McElroy - Kendal
- Michael Mudge Ltd - Camborne
- Michael Rennie - Bolton
- Michael Thompson (Public Works Contractors & Engineers) Ltd - Carlisle
- Michael Thorne - Exeter
- Michael Wilson and Son - Elland
- Michelmersh Brick & Tile Co Ltd - Romsey
- Mick Collett - Hungerford
- Mick George Haulage Ltd - St Ives (Huntingdon)
- Mick Jones Plant - Cannock
- Mick Priestley Plant Hire - Lincoln
- Micklewrights Structures Ltd - Dudley
- Micromat International - Rushden
- Micromix RM - Durham
- Micron Aluminium Doors Ltd - Orpington
- Micron Precision Engineering Services Ltd - Bradford
- Micron Stainless Steel Hygienics - Swadlincote
- Microsense Systems Ltd - Fareham
- Mid Glam Construction Ltd - Pontyclun
- Mid Kent Machine Service - West Malling
- Mid Lighting (Marlow Integrated Designs) - High Wycombe
- Mid Sussex Testing Services Ltd - Hassocks
- Mid Ulster Plant Hire - Dungannon
- Midas Technologies (G B) Ltd - Peterborough
- Middleton Aggregates Ltd - Bury St Edmunds
- Middleton Aggregates Ltd - Kings Lynn
- Midgley & Palmer Civil Engineering Ltd - Shipley
- Midland Building Products Ltd - West Bromwich
- Midland Construction Supplies Ltd - Wolverhampton
- Midland Decorative Surfaces Ltd - Birmingham
- Midland Excavator Hire Ltd - Ashbourne
- Midland Fabrication and Welding Ltd - Oldbury
- Midland Felt Roofing Ltd - Oxford
- Midland Interiors Ltd - Redditch
- Midland Metal Alloys Ltd - Birmingham
- Midland Polishing & Plating Co Ltd - Wolverhampton
- Midland Quarry Products - Coalville
- Midland Steel Fabrications Ltd - Oldbury
- Midland Wallboards Ceilings - Birmingham
- Mike Bartlett - Plymouth
- Mike Cuddihy Civil Engineering - Cardiff
- Mike Finn - Nottingham
- Mike Honour Windows Ltd - Moreton in Marsh
- Mike Jones Plant Hire - Coleford
- Mike May - Gloucester
- Mike Robinson - York
- Mike Waller Projects Ltd - Dorking
- Mila Hardware UK - Daventry
- Milbank Floors - Colchester
- Milburn Concrete - Cookstown
- Milbury Systems Ltd - Clevedon
- Mildren Construction Ltd - Christchurch
- Miles Of Tiles Ltd - Leamington Spa
- Miletree Construction Ltd - Milton Keynes
- Mill Hill Plant Ltd - St Albans
- Millar Callaghan Engineering Services Ltd - Irvine
- Millenium Sheet Metal and Fabrication - Shefford
- Millennium Coating (UK) Ltd - Ripley
- Millennium Crane Hire Ltd - London
- Millennium Lighting (U K) Ltd - Leeds
- Miller Bros (Romford) Ltd - Romford
- Miller Hamilton Plant Ltd - Denny
- Miller J D - Whitstable
- Miller Osborne - Ingatestone
- Miller Piling Ltd - Borehamwood
- Milligan Bros Ltd - Enniskillen
- Mills Contracts - Omagh
- Millstone Studios Ltd - Chesterfield
- Millward - Matlock
- Milsteel Fabrications - Abergavenny
- Milton Building Services - Bristol
- Milton Estates Ltd - Liverpool
- Milton Keynes Mini Mix - Milton Keynes
- Milton Pipes Ltd - Sittingbourne
- Mindmachine Associates Ltd - Washington
- Mine Rehabilitation Co - Cardiff
- Mine Train - Worcester
- Minear Engineering Ltd - St Austell
- Minera Roof Trusses Ltd - Wrexham
- Mineral Industries Computing Ltd - Beckenham
- Minerva Appointments Ltd - Leeds
- Minerva Electrical - Trowbridge
- Mini Dig - Swindon
- Mini Digger Hire - Stoke on Trent
- Mini Mix Concrete - Leicester
- Mini Mix Concrete - Newtownabbey
- Mini Mix Concrete - Wigan
- Mini Muck Shift - St Asaph
- Mini Skips (Southern) Ltd - Maidenhead
- Mini-Mix - Southport
- Minsterstone Ltd - Crewkerne
- Mintex Engineering Ltd - Ilkeston
- Miracle Design & Play Ltd - Northampton
- Mirage Interiors - Weston super Mare
- Mirenbourne Ltd - Penzance
- Mister Steel Ltd - London
- Mita (UK) Ltd - Flint
- Mitchell Plant Hire - Bristol
- Mitchell Plant Hire - Greenford
- Mitchell Plant Hire Ltd - Aberlour
- Mitchell Stenhouse - Hawick
- Mitech Joinery - Ripley
- Mitregate Ltd - Heanor
- Mitsubishi Electric (UK) Ltd - Croydon
- Mixamate - Sevenoaks
- Mixamate Concrete - Edmonton
- MJ Buildings Services Group plc - London
- MJ Conway - Henley on Thames
- MJ Gleeson Group plc - Sutton
- MJ Robey Tipper Hire - Carterton
- MJ Sheetmetal - Atherstone
- MJD and Sons Scaffolding Ltd - Irvine
- MJG-R Ltd - Evesham
- MJM Group Ltd - Newry
- MJN Colston Ltd - Bristol
- MJS Joinery Manufacturers and Contractors - Louth
- MKM Extrusions Ltd - Lostwithiel
- ML Electronics Ltd - Salisbury
- MML McGeoch Marine Ltd - Glasgow
- MMPI Ltd - Dunmow
- Mobile Applications Ltd - Stoke on Trent
- Mobile Platform Hire - St Albans
- Modern Door Closers Ltd - Littlehampton
- Modern Engineers Ltd - Southall
- Modern Plant Hire Ltd - Rugby
- Modular Sales & Hire Ltd - Sheffield
- ModularUK Building Systems Ltd - Driffield
- Modulift Design and Consulting Ltd - Poole
- Modus Group Ltd - London
- Molegrove (1984) Ltd - Chelmsford
- Molloy Engineering - Craigavon
- Molly Bather Ltd - Trowbridge
- Molplant Ltd - Dumfries
- Momentum Design Management Ltd - Redhill
- Mona Precast Anglesey Ltd - Anglesey
- Monarch Recruitment Ltd - Birmingham
- Monell - Birmingham
- Monier Ltd - Crawley
- Monitor Environmental Ltd - Nottingham
- Monk Edward George - Salisbury
- Monk Mark - Dereham
- Monkey Tower - Ingatestone
- Monodraught Ltd - High Wycombe
- Monofix Ltd - Birmingham
- Monowa Ltd - Rickmansworth
- Montage Designs Ltd - Mitcheldean
- Montana Corporation - London
- Montpellier Marble Ltd - Cheltenham
- Montrose Secam Ltd - Iver
- Monument Design Associates Ltd - Billericay
- Moons Plant Hire Co - Newmarket
- Moorbridge Construction - Wrexham
- Moore A - Coventry
- Moore Concrete Products Ltd - Ballymena
- Moore K & Son - Lifton
- Moore's Building Supplies Ltd - London
- Moores Ltd - Colne
- Moors Contractors Ltd - Wimborne
- Morcas Civil Engineering - Ballynahinch
- Morcon (Dyfed) Ltd - Carmarthen
- Morgan (Timber and Boards) Ltd - Kidderminster
- Morgan Marine Ltd - Ammanford
- Morgan Uk Ltd - Birmingham
- Morgans Of Usk Ltd - Usk
- Morgans Plant Hire Ltd - Aylesbury
- Morley John K - Middlesbrough
- Morley Plant - Alfreton
- Morrells Woodfinishes Ltd - Stockport
- Morris & McGinn Ltd - Teignmouth
- Morris Clive - Penzance
- Morris Leslie Ltd - Hemel Hempstead
- Morris Plant Hire Ltd - Welshpool
- Morris's - Birmingham
- Morrish and Partners - Welwyn Garden City
- Morrison and Murray (Engineering) Ltd - Galashiels
- Morrison Construction - International - Matlock
- Morrow Skip Hire - Turriff
- Morse W E & Son - Haverfordwest
- Mortons - Sheffield
- Moseley Rubber Co Ltd - Manchester
- Moss Construction Southern Ltd - Cheltenham
- Mossvale Maintenance and Sealing Services Ltd - Birmingham
- Motivespeed - Clydebank
- Mott MacDonald Ltd - Bristol
- Mott MacDonald Ltd - Colwyn Bay
- Mott MacDonald Ltd - Inverness
- Mott MacDonald Ltd - Newcastle upon Tyne
- Mott MacDonald Ltd - Sheffield
- Moulson Plant Hire Ltd - Bradford
- Mount Machinery - Leeds
- Mouse Valley Plant Ltd - Lanark
- Mowlem Civil Engineering Plc - Doncaster
- Mowlem Plant - Lutterworth
- Mowlem plc - Bath
- Mowlem plc - Glasgow
- Mowlem plc - Nottingham
- Mowlen and Co plc - Isleworth
- Moyola Trading Ltd - Magherafelt
- MP Welding Fabrications - Peterborough
- Mpm Properties Ltd - Cambridge
- Mqm Ltd - Leicester
- Mrf Fabrications Ltd - Poole
- MRI Polytech Ltd - Macclesfield
- MRI Worldwide - Sutton Coldfield
- Mrs B Preece and Son - Lydbury North
- MSD Construction Ltd - Stockton on Tees
- MSD Design Ltd - Aberdeen
- MSD Lifting Ltd - Darlington
- MSL Property Care Services Ltd - Halifax
- Msp Construction Ltd - Rotherham
- MSS Clean Technology Ltd - York
- Mtech Group Ltd - Shrewsbury
- MTK Breaker Hire and Sales Ltd - Manchester
- MTS Bobcat - Chester le Street
- Muirhead Drainage - Kilmarnock
- Mulcair Ltd - Caernarfon
- Mulholland Plant Hire Ltd - West Calder
- Mullen and Kelly Construction Ltd - Wigston
- Multi Marque Production Engineering Ltd - Wakefield
- Multi-Fab Construction Ltd - Leominster
- Multi-Floors Ltd - Oxford
- Multi-Tech Contracts Ltd - Warrington
- Multichoice Designs Ltd - Egham
- Multiforce Ltd - Iver
- Multilines Ltd - Wembley
- Multipix Imaging Ltd - Petersfield
- Mundy Structural Steel Ltd - Feltham
- Munnings J W Ltd - Great Yarmouth
- Murdoch Mackenzie Ltd - Motherwell
- Murphy David J - Sittingbourne
- Murray - Isle of Lewis
- Murray Brown and Son - Scarborough
- Murray James & Sons - Cupar
- Murray Plant Ltd - Inverness
- Murray Plant Ltd - Paisley
- Murrelektronik Ltd - Manchester
- Murrill Construction Ltd - Wokingham
- Musketeer Services Ltd - Horley
- My Design - Crawley
- MZ Construction UK Ltd - London
