Company Index
- M A and C E Hathaway - Verwood
- M A Bufton and Sons - Telford
- M A Edwards - Pontypridd
- M A Fabrication - Pickering
- M A Farnworth - Manchester
- M A Furniture - London
- M A G Signs - Maidenhead
- M A Johnson - Chesham
- M A L - Wellingborough
- M A Perry and Co - Colchester
- M A R Tracktimes - Hinckley
- M A Roberts - Sheerness
- M A Thompson - Northampton
- M A Tooling - Sheffield
- M and A Engineering Ltd - Milford Haven
- M and A Environmental (Northern) Ltd - Brighouse
- M and A Furniture - Carmarthen
- M and A Packaging Services Ltd - Malvern
- M and B (Brake Press) Ltd - Bath
- M and B Engineering - Bath
- M and B Engineering - Whitstable
- M and B Gears and Engineering - Leicester
- M and B Tools Ltd - Widnes
- M and B Woodworkers - Gravesend
- M and C Exchange Gearboxes - Nottingham
- M and C Mobility - Chesterfield
- M and C P Engineering - Leicester
- M and C Services (Northampton) Ltd - Wellingborough
- M and C T - St Helens
- M and D Classics - Plymouth
- M and D Components - Hull
- M and D Drilling - Huddersfield
- M and D Engineering - Birmingham
- M and D Precision Grinding - Walton on Thames
- M and D Services - Stonehouse
- M and D Tooling - Ringwood
- M and E Bin Hire Ltd - Pontypridd
- M and E Blinds - Lampeter
- M and E Castings - Peterborough
- M and E Designs - Bristol
- M and E Engineering Consultants Ltd - Stockport
- M and E Installations Ltd - Surbiton
- M and E James - Bilston
- M and E Pearce - Cardigan
- M and E Services - Cheddar
- M and E Systems Ltd - Warrington
- M and G Casting Repairs Ltd - Oakham
- M and G Engineering - Arbroath
- M and G Engineers - Enfield
- M and G Joinery - London
- M and G Olympic Products Ltd - Sheffield
- M and H Joinery Ltd - Liverpool
- M and I Precision Engineering - Ashton under Lyne
- M and J Billington Pine Furniture - Llandysul
- M and J Burns Ltd - Widnes
- M and J Distributors - Manchester
- M and J Door Services - Manchester
- M and J Engineers - Sheffield
- M and J Nuttall - Bolton
- M and J Products Ltd - Chesterfield
- M and J Services - Wrexham
- M and J Stringer - Cleethorpes
- M and J T Davies - Wrexham
- M and J Welding Specialist - Aylesbury
- M and J Wrought Iron - Newcastle upon Tyne
- M and K (Fabrications) - Romford
- M and K Pine Ltd - Hull
- M and K Welding and Fabrication Co - Cardiff
- M and L Sheet Metal Ltd - Letchworth
- M and M Access - Northampton
- M and M Blinds - Pudsey
- M and M Controls - Manchester
- M and M Engineering Services - Lincoln
- M and M Engineering Services - Wrexham
- M and M Gates - Manchester
- M and M International (UK) Ltd - Bedford
- M and M Joinery - Antrim
- M and M Motor Cycle Spares - Huddersfield
- M and M Motorcycles - Stamford
- M and M Precision Engineering - Peterborough
- M and M Products Ltd - Stevenage
- M and M Recycling - Leighton Buzzard
- M and M Signs and Graphics - Stoke on Trent
- M and M Steel Stockholders and Fabricators - Birmingham
- M and M Tubeform - Coventry
- M and M Turned Parts - Redditch
- M and N Recycling - Bradford
- M and O Sales Ltd - Redditch
- M and P (Engineering) Ltd - Manchester
- M and P Electrics - Hitchin
- M and P International (UK) Ltd - Farnham
- M and P Joinery - Bristol
- M and P Metalcrafts - Middlesbrough
- M and P Motorcycles Accessories - Coventry
- M and R Building Engineering Services - Redhill
- M and R Engineering - Coventry
- M and R Grinding Ltd - Halesowen
- M and R Hydraulics Ltd - Ellesmere Port
- M and R Pine - Smethwick
- M and R Precision Engineering Ltd - Berkhamsted
- M and R Services UK Ltd - Northampton
- M and S - London
- M and S Alloys - West Bromwich
- M and S Distributors - Malton
- M and S Hire Ltd - Southampton
- M and S Linens - Folkestone
- M and S Metal Services Ltd - Manchester
- M and S Plumbing - Romford
- M and S Powder Enamellers Ltd - Lichfield
- M and S Precision Engineers - Braintree
- M and S Precision Engineers - Bristol
- M and S Precision Ltd - Wigston
- M and S Prescision - Coventry
- M and S Services - Newtown
- M and S Shutter Services Ltd - Tipton
- M and Services - Southampton
- M and T Engineering - Croydon
- M and T Pallets - Liverpool
- M and T Upholstery - Birmingham
- M and T Welding Systems Ltd - Grantham
- M and V Gatford - Ripon
- M and V Ltd - Mansfield
- M and W Engineering Ltd - Berwick upon Tweed
- M and W Precision - Rochdale
- M and W Toyota - Tipton
- M and W Toyota Handling - Bristol
- M Andre and Co Ltd - New Milton
- M B Bearings and Transmissions - Stoke on Trent
- M B D A Dynamics - Henlow
- M B D A Ltd - Bolton
- M B Fabrications - Pontefract
- M B Fine Arts - Clynderwen
- M B H Structures Consulting Engineers - London
- M B K Installations - Nottingham
- M B M Building Services Ltd - Peterborough
- M B M Engineering Ltd - Bromsgrove
- M B Metals - Gillingham
- M B S Distribution Ltd - Liverpool
- M B Services Ltd - Dartford
- M B Services Ltd - Hartlepool
- M B Sheet Metal - South Croydon
- M B Sign Design - Leicester
- M Barnwell Services Ltd - Smethwick
- M Bidmead - Tring
- M Bielby Ltd - Hull
- M Bird - Great Yarmouth
- M Borley and Sons Joinery Ltd - Cambridge
- M Brittain (York) Ltd - Lisburn
- M Brittain (York) Ltd - Stourbridge
- M Brittain (York) Ltd - York
- M Brown Joinery - Wolverhampton
- M Buttkereit Ltd - Sale
- M C Bowen and Son - High Wycombe
- M C Breley - Exeter
- M C Control Systems - Stockport
- M C D Consultancy Services - Glasgow
- M C G Consultancy Services Ltd - Monmouth
- M C Joinery - Ballymena
- M C Maintenance - Chelmsford
- M C Metals - Thame
- M C Mills & Co Ltd - Barnsley
- M C Mobility Vehicle Adaptations - Taunton
- M C Motorcycles - Glasgow
- M C P Engineering Plastics - Harlow
- M C P P - Wolverhampton
- M C S Parts Ltd - Rugby
- M C V Conversions - Downpatrick
- M C Waite - Dursley
- M Canneaux - Hove
- M Clarke - Sheffield
- M D A GB Ltd - Castleford
- M D A Joinery - Halesowen
- M D A Precision Engineering Ltd - Wellingborough
- M D B Stairways and Joinery - Bristol
- M D F Engineering Ltd - Antrim
- M D Fabrication and Welding - Bootle
- M D J Light Bros Ltd - Lewes
- M D L Spares - Warrington
- M D M Contractors Ltd - London
- M D Plumbing and Heating - Morden
- M D Services and Installations Ltd - Romsey
- M D Williams - Mold
- M E Mechanical Services - Lincoln
- M E Power Washer Services - Cleckheaton
- M E T Steel Ltd - Newtownabbey
- M E W Supplies - Sittingbourne
- M F Demianow - Epsom
- M F G Engineering - Uxbridge
- M F Midland Fabrications - Shifnal
- M F S Electro-Plating Co - Huntingdon
- M Fishwick Engineers - Glossop
- M G and A Engineering Ltd - Basildon
- M G Caravan Co Ltd - Todmorden
- M G Cook and Sons - Preston
- M G Export Packing and Casemaking - Newton le Willows
- M G H Industries Ltd - Manchester
- M G J Embroidery Machine Services - Swindon
- M G Non-Ferrous Ltd - Colchester
- M G Precision - Radstock
- M G R Wood and Clark Ltd - Paisley
- M G Stainless Ltd - Dudley
- M G T - Sunderland
- M G Wrought Iron - Stockton on Tees
- M Gear (Engineering) Ltd - Barnet
- M Gold and Co Metals Ltd - London
- M H 7 Precision Engineering - Brighouse
- M H Colley Ltd - Brierley Hill
- M H G Precision - Bridgwater
- M H Headboards - Dewsbury
- M H Joinery - Bridgwater
- M H Joinery - Tipton
- M H Powder Coating Ltd - Bristol
- M H Steels Ltd - Dudley
- M H T Consultants - Gloucester
- M Hannum Joinery - Accrington
- M Hasnip - Scunthorpe
- M Hasson and Sons Ltd - Ballymena
- M Holleran Ltd - London
- M Hubber - Bridgend
- M I Edwards Engineers - Brandon
- M J B Designs - Whitehaven
- M J B Machine Shop Ltd - Bedford
- M J B Racing - Walsall
- M J Blinds - Manchester
- M J Bradshaw and Sons - Oakham
- M J Brown Ltd - Crewe
- M J Bruckshaw - Newport
- M J Dowson - York
- M J Dyer - Fleet
- M J E Engineering Ltd - Fordingbridge
- M J Engineering Services - Leeds
- M J Fletcher Joinery - York
- M J Hose and Hydraulics - Bury St Edmunds
- M J Martinez - Ware
- M J O Services - Rotherham
- M J P Gates - Walsall
- M J P Tube and Fittings Ltd - Bristol
- M J Parkin - Ripley
- M J Patch Industrial Supplies Ltd - Bristol
- M J Perry - Norwich
- M J R Fabrications - Potters Bar
- M J R Joinery - York
- M J R Systems - Nottingham
- M J S Fabrications - Derby
- M J Sheet Metal Co - Romford
- M J Signs - Brentwood
- M J Squire Ltd - Sheffield
- M J Tanner - Enfield
- M J Woodworking - Rotherham
- M J Wrought Iron - Newcastle upon Tyne
- M K and Wycombe Tools Ltd - High Wycombe
- M K and Wycombe Tools Ltd - Milton Keynes
- M K Coatings - Mansfield
- M K Fabrications - Leicester
- M K P Consultants Ltd - Winchester
- M K S Instruments Ltd - Livingston
- M K Sheet Metal Ltd - Coventry
- M K Stairs - Strabane
- M L B Engineering - Newark
- M L D Engineering Ltd - Nelson
- M L J Consultingengineering - Redruth
- M L Keys - Hockley
- M L M - Cambridge
- M L M Group - Chelmsford
- M L Stainless Fabrications Ltd - Cleckheaton
- M L Tools - Craigavon
- M L Willoughby - Reading
- M Lamb Fixing - London
- M Lees - Dolgellau
- M Lodge and Son - Manchester
- M M C Consultants Ltd - Wilmslow
- M M C Harley Davidson Specialist - Tunbridge Wells
- M M Caravans - Waterlooville
- M M D Associates Ltd - Loughborough
- M M Engineering - Manchester
- M M S - Leeds
- M M Stewart - York
- M M W - Bromley
- M Mackenzie - Newcastle upon Tyne
- M Marcus Ltd - Dudley
- M McCarthy and Co - Stockport
- M Mcguigan - Worthing
- M Mckeegan - Ballymena
- M Moorhead - West Malling
- M N A Tech Ltd - Sheffield
- M N Motorcycles - London
- M P - Gillingham
- M P - Grantham
- M P B Structures Ltd - Peterborough
- M P Blocking Services - Leicester
- M P Controls Ltd - Redditch
- M P Gas Services - Penarth
- M P Gethen - Nottingham
- M P Hand - Leicester
- M P Hart - Macclesfield
- M P Harvey - Cambridge
- M P Joinery - Northwich
- M P L S Ltd - Port Talbot
- M P Lifting - Denbigh
- M P Marston - Hinckley
- M P Precision - Blyth
- M P S Express - Wallingford
- M P S Fabrications - Ashton under Lyne
- M P Thomas - Cheadle (Cheshire)
- M Packenham Ltd - Liverpool
- M Plan Bespoke Kitchens - Stockport
- M Price - Andover
- M Price Ltd - Enfield
- M R and S Wilson - Cranleigh
- M R B Fabrications Ltd - Bury
- M R Burrell and Co - Bishop Auckland
- M R Drives and Componants - Birkenhead
- M R Fabrications - Dudley
- M R H Plate Heat Exchanges Ltd - Manchester
- M R International - Walsall
- M R J Engineers - Shipley
- M R Joinery - Lisburn
- M R P Ornamental Ironcraft - Merthyr Tydfil
- M R Reed - North Ferriby
- M R Refrigeration - Bristol
- M R S Associates Ltd - Brighton
- M R S Services - Wakefield
- M R Sheet Metal - Gateshead
- M S A Tecnogly - Lymington
- M S Ash - London
- M S B Engineering - Smethwick
- M S C Honda - Worcester
- M S E E Fabrications - Liverpool
- M S Ford and Associates - Cambridge
- M S Holdings Ltd - Ryde
- M S J - London
- M S K Engineering - Southend on Sea
- M S K Test Pro Ltd - Melksham
- M S M Engineering Services - Kirkcaldy
- M S S Engineers - Hull
- M S S Kawasaki - Clacton on Sea
- M S T - Ashton under Lyne
- M Sadiq Furniture Ltd - Highbridge
- M Signs - Nottingham
- M Sports Development - Tamworth
- M Stanway Joinery - Newcastle
- M Steele - Faringdon
- M Sullivan - London
- M T Blinds - Aylesbury
- M T C Exhausts - Ormskirk
- M T Joinery - Ware
- M T S - Alford
- M T S - Manchester
- M T Warner - Horley
- M Taylor Engineering - Henley on Thames
- M Tech - Glenrothes
- M Thornton - Huddersfield
- M Thornton Engineering Ltd - Huddersfield
- M V M Mechanical and Electrical - Horley
- M V Mechanical Engineers Ltd - Scarborough
- M V P - Woodbridge
- M Vosper - Yelverton
- M W E Woodworking - Driffield
- M W Engineering - Northampton
- M W Engineering - Southend on Sea
- M W Furniture - Poole
- M W Hart - Towcester
- M W Installations - Norwich
- M W Martin - Rickmansworth
- M W Mayes - Dereham
- M W Precision Grinding - Sittingbourne
- M W Services - Leicester
- M W Services Water Treatment Ltd - Bolton
- M W Swales - Whitby
- M W Tickle Joinery - Wigan
- M Walker - March
- M Womack Ltd - Wakefield
- M X World - Ferndown
- M&C Motorcycles - London
- M&P Motorcycle Accessories - Cleckheaton
- M&S Precision Engineering Ltd - Carluke
- M-Tec - Byfleet
- M-Tec - Darwen
- M-Tech - Derby
- M-Tech Engineering - Nottingham
- M1 Engineering Ltd - Bradford
- M1 Trade Frame - Chesterfield
- M40 Pallets Ltd - High Wycombe
- M56 Chemicals and Laboratory Supplies Ltd - Runcorn
- M8trix - Ely
- Ma Austin Motorcyles - Wakefield
- MA Carroll Engineers Ltd - Huddersfield
- MA Cashmere - Peebles
- MA Hydraulics Ltd - Scunthorpe
- MA Jeffrey Ltd - Ulverston
- Ma Kitchens and Joinery Department - Southwell
- MA Rick Engineering - Coventry
- MA Taylor Engineering - Redditch
- Maan Engineering Ltd - Rotherham
- Maas International Ltd - London
- Maas Solutions Ltd - Camberley
- Mabbett and Associates Ltd - Glasgow
- Mabey and Johnson Ltd - Reading
- Mabey Francis and Partners - Bournemouth
- Mabro Engineering - Willenhall
- Mabyrn Rubber Co Ltd - Rochdale
- Mac Anodising Ltd - Aylesbury
- Mac Applications Engineering Ltd - Burnley
- MAC Contract Services - Scunthorpe
- Mac Glass Recycling Ltd - Edinburgh
- Mac Machining Ltd - Kidderminster
- Mac Stainlesss - Chorley
- Mac-Ants Abrasives Ltd - Sheffield
- Mac-Farr Engineering Co Ltd - Pontypool
- MAC-RK Precision Engineering Ltd - Southall
- Macarron Electroplaters - Forfar
- Macart Textiles (Machinery) Ltd - Bradford
- Macarty and Heaton Ltd - Manchester
- Macaulay Askernish Ltd - Isle of South Uist
- Macaulay Marketing Ltd - Lutterworth
- Macbee Manufacturing Ltd - Bridgnorth
- MACC - Leicester
- MacCarthy Interiors Ltd - Redhill
- Macclesfield Bearings and Power Transmission - Macclesfield
- Macdonald A F and Partners - Shrewsbury
- Macdonald Design Partnership - Croydon
- Macdonald Engineering Services Ltd - Louth
- Macdonald Parsons Ltd - London
- MacDonald Race Engineering - London
- Macdonalds Engineers - Louth
- MacDougall A - Johnstone
- Macdue UK Ltd - Bideford
- Mace - Cradley Heath
- Mace Buildings Ltd - Leamington Spa
- Mace Engineering Co Ltd - Bootle
- Mace Interiors Ltd - South Shields
- Mace Metals - Darlington
- Macemain and Amstad Ltd - Corby
- Macey Industrial Fixings - Hailsham
- Macfarlane Thirsk Ltd - Hessle
- Macflex Ltd - Glasgow
- Mach - High Wycombe
- Mach 1 Engineering - Gatwick
- Mach 2 Engineering Ltd - Verwood
- Mach One International Ltd - Sheffield
- Mach Signs - Iver
- Mach Tech - Rochdale
- Mach-Aire Ltd - Bolton
- Machenair Steel Fabrications Ltd - Wakefield
- Machfab Engineering Ltd - Birkenhead
- Machine Building Systems Ltd - Ripley
- Machine Components Ltd - Irvine
- Machine Control Engineers Ltd - Glasgow
- Machine Covers - Stroud
- Machine Designs Ltd - Brierley Hill
- Machine Mart Ltd - Nottingham
- Machine Moves and Maintenance - Bedford
- Machine Sales Ltd - Leeds
- Machine Screws Ltd - Redditch
- Machine Shop Maintenance - Aberdeen
- Machine Spares Ltd - Brierley Hill
- Machine Technologies Ltd - Manchester
- Machine Timber Services - Selby
- Machine Tool Engineers (EK) Ltd - Glasgow
- Machine Tool Maintenance - Royston
- Machine Tool Sales - Glasgow
- Machine Tool Services (GB) Ltd - Lewes
- Machine Tool Supplies Ltd - Bolton
- Machine Tool Technical Services - Musselburgh
- Machine Tools CNC - Birmingham
- Machined Component Systems plc - Redditch
- Machined Components - Manchester
- Machined Fabrications Ltd - Dudley
- Machined Precision Components - Accrington
- Machined Precision Components Ltd - Thetford
- MachinePart Engineering Ltd - Haverhill
- Machinery Development Services Ltd - Gloucester
- Machinery Installations (Birmingham) Ltd - Aldridge
- Machinery Market Ltd - Bromley
- Machinery Service Engineers Ltd - Basingstoke
- Machinery Trade International Ltd - Leatherhead
- Machines Parts&Service Ltd - Colchester
- Machinetec - Andover
- Machinetools-Nw Co Uk - Liverpool
- Machining Centre Ltd - Abingdon
- Machining Onsite Services Ltd - Kendal
- Machining Services and Co - Lichfield
- Machining Services Ltd - Cwmbran
- Machining Techniques Ltd - South Shields
- Machining Technology (Mach-Tech) Ltd - Abingdon
- Machtec - Chesterfield
- Machtech - Tipton
- Machzone Ltd - Corby
- Macjoinery Logistic Solutions - Coalville
- Mack James and Co - Loughborough
- MacKay (Rogart) - Inverness
- Mackay Engineering - Cambridge
- Mackays of Cambridge Ltd - Cambridge
- Mackellar Ltd - Grantown On Spey
- Mackenzie Nail Co - Milton Keynes
- Mackereth Engineering Ltd - Kendal
- Mackey Bowley International Ltd - Gravesend
- Mackies U K Ltd - Peterborough
- Mackinnon and Bailey Ltd - Birmingham
- Mackintosh Of Earith - Huntingdon
- Macklow Industrial Ltd - Norwich
- Maclaine Engineering Ltd - Brighton
- Maclaren Roughton Ltd - Maidstone
- Macleod Building Services - Edinburgh
- Macleod Caravans - Inverness
- Macleod Engineering - Droitwich
- Macleod Engineering Isle Of Isley - Isle of Islay
- Macmoto - Lymington
- Macnaughton and Watson Ltd - Elgin
- Macon Bolts and Nuts Ltd - Belfast
- Macpac Ltd - Stockport
- Macreadys - Southampton
- Macreadys Carbon and Alloy Steels - Rugby
- Macro CNC Machine Tools Ltd - Brierley Hill
- Macro Developments (Portsmouth) Ltd - Portsmouth
- Macron Safety Systems UK Ltd - Guildford
- Macrotec Machine Tools Ltd - Congleton
- MACS eu Ltd - Gerrards Cross
- Macscott Bond Ltd - Aberdeen
- MacScott Bond Ltd - Loanhead
- MacSigns (UK) Ltd - Southampton
- Macsteel International UK Ltd - London
- MacTaggart Scott and Co Ltd - Edinburgh
- MacTaggart Scott and Co Ltd - Rosyth
- Mactech Inspection Ltd - Whitley Bay
- Mactenn Systems Ltd - Sudbury
- MacVere (Engineering) Ltd - Havant
- Macward Steel Slitting Services Ltd - Merthyr Tydfil
- MacWhirter Ltd - Bristol
- Maddocks Machinery Relocation Ltd - Liverpool
- Made In Wood - Tonbridge
- Made To Measure - St Leonards on Sea
- Made To Measure Joinery - Cambridge
- Madeira Engineering - Southall
- Madeley Brass Castings - Telford
- Madison Filter Ltd - Haslingden
- Maelor Advanced Engineering Ltd - Wrexham
- Maestro International Ltd - Sidcup
- Mag - Tech Maintenance - Wigston
- Maga Precision Engineers Ltd - Royston
- Magal Cables Ltd - Stourport on Severn
- Magal Metallifacture Ltd - Nottingham
- Magama Fabrications (Glenrothes) Ltd - Glenrothes
- Magbiltiy - Birmingham
- Magco Tollemache Ltd - Sutton in Ashfield
- Magdalen Metalwork - Gillingham
- Magdalen Pine - London
- Magee Cranston Associates - Belfast
- Magellan Aerospace - Poole
- Magellan Aerospace Structures - Wrexham
- Magenta Technology Ltd - Hereford
- Magherafelt Joinery - Magherafelt
- Maghull Double Glazing Co Ltd - Liverpool
- Magic Man - Hove
- Magic Toys - Colne
- Magma Safety Products Ltd - Cambridge
- Magna Display Systems - Nuneaton
- Magnacol Research - Newtown
- Magnaforce - Swansea
- Magnapower Equipment Ltd - Droitwich
- Magnesium Castings Ltd - Worcester
- Magnesium Elektron - Manchester
- Magnesium Metals and Charcoal Ltd - Bridgnorth
- Magnet Sales and Service Ltd - Swindon
- Magnet Schultz Ltd - Woking
- Magnet Trade - Aylesbury
- Magnet Trade - Barnstaple
- Magnet Trade - Bath
- Magnet Trade - Bishops Stortford
- Magnet Trade - Blackpool
- Magnet Trade - Brighton
- Magnet Trade - Bristol
- Magnet Trade - Cambridge
- Magnet Trade - Cannock
- Magnet Trade - Canterbury
- Magnet Trade - Cardiff
- Magnet Trade - Carlisle
- Magnet Trade - Chesterfield
- Magnet Trade - Colwyn Bay
- Magnet Trade - Coventry
- Magnet Trade - Croydon
- Magnet Trade - Dundee
- Magnet Trade - Eastbourne
- Magnet Trade - Enfield
- Magnet Trade - Feltham
- Magnet Trade - Harrow
- Magnet Trade - High Wycombe
- Magnet Trade - Hull
- Magnet Trade - Inverness
- Magnet Trade - Ipswich
- Magnet Trade - Leeds
- Magnet Trade - Lichfield
- Magnet Trade - Lincoln
- Magnet Trade - Liverpool
- Magnet Trade - London
- Magnet Trade - London
- Magnet Trade - London
- Magnet Trade - London
- Magnet Trade - London
- Magnet Trade - Loughborough
- Magnet Trade - Luton
- Magnet Trade - Maidstone
- Magnet Trade - Mansfield
- Magnet Trade - Melton Mowbray
- Magnet Trade - Newport (Gwent)
- Magnet Trade - Newport (IOW)
- Magnet Trade - Northampton
- Magnet Trade - Norwich
- Magnet Trade - Nottingham
- Magnet Trade - Nuneaton
- Magnet Trade - Perth
- Magnet Trade - Peterborough
- Magnet Trade - Plymouth
- Magnet Trade - Poole
- Magnet Trade - Portsmouth
- Magnet Trade - Rochester
- Magnet Trade - Rotherham
- Magnet Trade - Salisbury
- Magnet Trade - Solihull
- Magnet Trade - Southampton
- Magnet Trade - Stafford
- Magnet Trade - Stevenage
- Magnet Trade - Stockton on Tees
- Magnet Trade - Stoke on Trent
- Magnet Trade - Sunderland
- Magnet Trade - Swansea
- Magnet Trade - Trowbridge
- Magnet Trade - Waltham Cross
- Magnet Trade - Watford
- Magnet Trade - Weymouth
- Magnet Trade - Wigan
- Magnet Trade - Willenhall
- Magnet Trade - Wokingham
- Magnet Trade - Wrexham
- Magnet Trade - Yeovil
- Magnet Trade - Yeovil
- Magnetek Industrial Controls UK Ltd - Milton Keynes
- Magnetic - Cambridge
- Magnetic Component Engineering (UK) Ltd - Luton
- Magnetic Separations Ltd - Sutton
- Magnetic Solutions Ltd - Egham
- Magnetic Solutions Ltd - Sheffield
- Magnetic Suspensions - Cardiff
- Magnetic Systems Ltd - Sheffield
- Magneton UK Ltd - Norwich
- Magnetron - Wirral
- Magno-Pulse Ltd - Bristol
- Magnox Electric Plc - Cemaes Bay
- Magnum Aluminium Products Ltd - Rainham
- Magnum Blinds - Taunton
- Magnum Car Panels Ltd - Rochdale
- Magnum Engineering - Warwick
- Magnum Finishing Co - Bristol
- Magnus Direct Ltd - Totnes
- Magnus James and Co - Bracknell
- Magor Designs - Merthyr Tydfil
- Magotteaux Ltd - Gateshead
- Magowan Originals Ltd - Craigavon
- Magpie Recycling Co-Operative Ltd - Brighton
- Magrenko Ltd - Cannock
- Maguire Joinery Service - Manchester
- Maher - Lincoln
- Mahle Ltd - Wednesbury
- Mahle Powertrain Ltd - Northampton
- Mahle Valve Train Ltd - Chester
- Mahon Engineering - Strabane
- Maid Metals Ltd - West Bromwich
- Maidaid Halcyon - Brackley
- Mail Boxes - Chippenham
- Mail Opening Machines Ltd - Wakefield
- Mailing and Mechanisation UK Ltd - Daventry
- Mailing Technology and Support Ltd - Romford
- Main Choice - Leamington Spa
- Main Line Bearing Co Ltd - Leeds
- Main Line Patterns - Darlington
- Main Ltd - Rochdale
- Main Road - Leyland
- Main Road Sheet Metal Ltd - Leyland
- Mainance Engineering Ltd - Waterlooville
- Mainbell - Southampton
- Mainco Wire Rope Splicing Specialists - Redditch
- Mainetti UK Ltd - Jedburgh
- Mainframe Fabrication Ltd - Billericay
- Mainline Leisure - South Queensferry
- Mainline Lifting Equipment - Peterborough
- Mainline Ltd - Hemel Hempstead
- Mainline Products Ltd - Newcastle under Lyme
- Mainly Metal - Cookstown
- Mainly Pine - Gillingham
- Mainport Training - London
- Mainserve Engineers - Longfield
- Mainstone Services - Saltash
- Mainstream Engineering Ltd - Middlesbrough
- Mainstreet Catering Equipment - Christchurch
- Maintain Services Ltd - Preston
- Maintech Supply - Beckenham
- Maintenance and Engineering Services - Leicester
- Maintenance and Rewind Services - Manchester
- Maintenance Artifacts Ltd - Ashton under Lyne
- Maintenance Components Ltd - Walsall
- Maintenance Support UK ltd - Barnoldswick
- Maintrend Services Ltd - Coalville
- Mainwaring Metals Ltd - Tipton
- Mair Construction - Woking
- Mair Engineering Ltd - Luton
- Maisun Blinds - Stourbridge
- Maitland Conservatory Roofs - Pershore
- MAJ Hi - Spec Ltd - Keighley
- Majestic Engineering - Bootle
- Majestic Gates - Hull
- Majestic Ornamental Ironcraft - Doncaster
- Majestic Shower Co Ltd - Harlow
- Majestics Aluminium Finishing Co Ltd - Walsall
- Majestix Ltd - Manchester
- Majid Bros - Manchester
- Major Fabrications - Deal
- Major Machine Tools Ltd - Northampton
- Major Sheet Metals - Batley
- Major Steel Services - Dudley
- Majorfax Ltd - Walsall
- Majorlift Hydraulic Equipment Ltd - Wotton under Edge
- MAK Automotive Co - London
- Makawber Services - Rushden
- Make 96 - Harrogate
- Make Your Mark - Winsford
- Makerfield Blinds - Wigan
- Makhan Singh Plumbing - Solihull
- Makin Metal Powders Ltd - Rochdale
- Makin Organs Ltd - Oldham
- Makita UK Ltd - Milton Keynes
- Mala Consultancy and Design Ltd - Sheffield
- Mala Facilities and Design Ltd - Bristol
- Malachy Walsh and Partners - London
- Malbern uPVC Windows and Doors Ltd - Manchester
- Malborough Forge - Kingsbridge
- Malc Parker Joinery - Coalville
- Malcolm Enamellers ACP Ltd - Wednesbury
- Malcolm Enamellers Ltd - Wolverhampton
- Malcolm Engineering Co Ltd - Darlington
- Malcolm Lane and Son Ltd - Nottingham
- Malcolm Mackenzie and Co Ltd - Isle of Lewis
- Malcolm Nicholls Ltd - Alcester
- Malcolm R L Ingram - Frome
- Malcolm Wood and Co Ltd - Huddersfield
- Malden Plating Works Ltd - Mitcham
- Maldon Marine Ltd - Maldon
- Maledon Engineering Ltd - Warrington
- Malem Medical Ltd - Nottingham
- Malham Lighting Design Ltd - London
- Malham Smithy - Skipton
- Malin Bridge Engineering Ltd - Sheffield
- Malken Gauge and Tool Co Ltd - Birmingham
- Mall Engineering Ltd. - Wolverhampton
- Mallaghan Engineering Ltd - Dungannon
- Mallard Metal Packs Ltd - Birmingham
- Mallards Interiors - Hastings
- Mallatite Ltd - Manchester
- Mallen RM Ltd - Oldbury
- Mallinson Fabrications Ltd - Carlisle
- Mallinson Ltd - Bridport
- Mallow Road Engineering Ltd - Cork
- Malmesbury Engineering Services - Malmesbury
- Malmos RGG Engineering - Oldbury
- Malpat Engineering Services - Harrogate
- Malpen Engineering - Prudhoe
- Malrex Fabrications Ltd - Burton on Trent
- Mals - Newcastle upon Tyne
- Malt Mill Engineering Co Ltd - Alcester
- Maltby Group Ltd - Newark
- Malthouse Engineering - Wakefield
- Malthouse Engineering Co Ltd - Oldbury
- Malton Associates - Newcastle upon Tyne
- Malton Laser Ltd - Malton
- Maltron International Ltd - Rayleigh
- Malvern Caravans - Worcester
- Malvern Metal Finishing - Nottingham
- Mampro - Lincoln
- Man Acoustics - Highbridge
- Man and Machine Ltd - Thame
- MAN B and W Diesel Ltd - Stamford
- MAN B and W Diesel Ltd - Stockport
- MAN ERF UK Ltd - Swindon
- MAN Hydraulics and Engineering Ltd - Rotherham
- MAN Ltd - Droitwich
- MAN Ltd - London
- Man-Flex Ltd - Warrington
- Managed Complexity - Fareham
- Mancells (Marfleet) Ltd - Hull
- Manchester Alloys and Metals Ltd - Salford
- Manchester Aluminium Alloys - Manchester
- Manchester Automatic Machining Co Ltd - Sale
- Manchester House Blinds - Emsworth
- Manchester Investment Castings Ltd - Manchester
- Manchester Kitchens and Bedrooms Furniture - Manchester
- Manchester Signs - Manchester
- Mandall Engineering Ltd - Sheffield
- Manderstam International Group Ltd - London
- Mandeville Joinery Ltd - Dorchester
- Mandor Engineering Ltd - Ashton under Lyne
- Manesty - Kirkby
- Manesty Fabrication Services - Halifax
- Mangar International - Presteigne
- Mangine Ltd T/a Combi-Camp UK - Thame
- Manhire Associates Ltd - Surbiton
- Manhire Ltd - Ormskirk
- Manifab Flowdrilling - Bedford
- Manifax Engineering Ltd - Dagenham
- Maniflex Engineering Precision Engs - Leicester
- Manifold Industries - London
- Manley Engineering - Kings Lynn
- Manley Metals - Crewkerne
- Mann and Hummel (UK) Ltd - West Malling
- Mann and Hummel UK Ltd - Wolverhampton
- Mann Machinery Ltd - Wakefield
- Mann Williams - Cardiff
- Manned Precision - Alresford
- Mannell Technology - Truro
- Mannequins Direct - Worcester
- Mannering Industrial Supplies - Bellshill
- Mannesmann Rexroth Ltd - Bolton
- Manningtree Engineering Ltd - Manningtree
- Mano River Resources - Didcot
- Manor Bedrooms - London
- Manor Bindery Ltd - Southampton
- Manor Engineering - St Helens
- Manor Farm Joinery - Waterlooville
- Manor Forklift Services - Willenhall
- Manor Foundry Ltd - Ilkeston
- Manor Glass and Catering Supplies Ltd - Hull
- Manor Industries - Dronfield
- Manor Metalcraft - Norwich
- Manor Park Trading Co Ltd - Birmingham
- Manor Pine - Bradford
- Manor Scrap Ltd - Bristol
- Manor Staircases - Lincoln
- Manor Supplies Ltd - Upminster
- Manor Technology Monitoring Ltd - Fareham
- Manor Windows Ltd - Stoke on Trent
- Manor Woodcraft Ltd - Bishop Auckland
- Manorway (Fabrications) Ltd - Benfleet
- Manorwood Ltd - Coalville
- Manrose Manufacturing Ltd - Slough
- Manroy Engineering Co - Rye
- Mansbridge Blinds Ltd - Birmingham
- Manse Masterdor Ltd - Knaresborough
- Manser Precision Engineering - Southampton
- Mansfield Anodisers Ltd - Mansfield
- Mansfield Board Machinery Ltd - Northampton
- Mansfield Crushers - Deeside
- Mansfield Engineering - Hawick
- Mansfield Mining Co Ltd - Newark
- Mansfield Motor Cycles - Mansfield
- Mansfield Plant Maintenance Services Ltd - Wakefield
- Mansfield Ravenhall - Birmingham
- Mansionwise - Nottingham
- Manson Engineering Services - Elgin
- Mansons Catering Equipment - Birmingham
- Mantec Engineering Ltd - Manchester
- Mantec Engineering Services - Widnes
- Mantek (Manufacturing) Ltd - Aldershot
- Manthorpe Engineering Ltd - Ripley
- Manthorpe Forge - Bourne
- Mantle Consultancy Associates - Biggar
- Manton Combustion Engineering Ltd - St Neots
- Manton Engineering - Oakham
- Manual Handling Solutions - Kings Lynn
- Manual Lifting Products Ltd - Peterlee
- Manuel Engineering - Taunton
- Manufacturing Centre - Wolverhampton
- Manufacturing Support and Design Ltd - Hitchin
- Manufacturing Systems Association Ltd - Rochdale
- Manufacturing Technlogy Partnership - Belfast
- Manuflex Ltd - Highbridge
- Manukan - Rickmansworth
- Manuli Hydraulics UK Ltd - Manchester
- Manumold Machinery Ltd - Aylesbury
- Manvers Engineering Ltd - Barnsley
- Manx Engineers Ltd - Douglas
- Manx Glass and Glazing Ltd - Douglas
- Manx Paper Stock Ltd - Ballasalla
- MAP Engineers (Salford) Ltd - Salford
- MAP Fabrications - Colchester
- Map Metals Ltd - Wolverhampton
- MAP Precision Engineering - Poole
- MAP Structural Steel Services - Wakefield
- MAP Systems Ltd - Kings Lynn
- Mapal Ltd - Rugby
- Mapex Extrusion Systems Ltd - Dunstable
- Maple Crafts - Hailsham
- Maple Engineering - High Wycombe
- Maple Joinery - Cambridge
- Maple Joinery - Dumfries
- Maple Lodge Enterprises - Hexham
- Maple Mobility (DGT) Ltd - Chelmsford
- Maple Precision Tooling Ltd - Street
- Maple Tools - Leicester
- Maple Worcester Ltd - Worcester
- Maplecroft Joinery - Sheffield
- Maplin-Energy Cooling Systems Ltd - South Woodham Ferrers
- MAPRA Technik Co - Loughton
- MAR UK plc - Milton Keynes
- Mar Will Tools and Fasteners Supplies - Blackburn
- Maracom Ltd - London
- Marald - Pontyclun
- Maranatha Hall Pine - MacDuff
- Marangoni Tread Ltd - Newcastle under Lyme
- Marann Blinds - Kidderminster
- Marathon Engineering - High Wycombe
- Marazion Joinery - Marazion
- Marbco Fire and Safety - Bedlington
- Marben Engineering Co Ltd - Wimborne
- Marberann Engineering - Weymouth
- Marbridge Productions Ltd - Tamworth
- Marbury Consultants - Eastleigh
- MarCAD Ltd - Hastings
- Marcaddy Cable Reel Systems / Cablecaddy - Sandwich
- Marcar Steel and Engineering Ltd - Brackley
- Marcel Motorcycles - Nottingham
- March Designs and Measurements - Dunstable
- March Engineering (Nuneaton) Ltd / Machine Spares Ltd - Brierley Hill
- March May Ltd - St Neots
- March Patio Centre - March
- March Precision Engineering Ltd - Aldershot
- Marchant Bros Ltd - London
- Marchant Dice Ltd - Crediton
- Marches Precision Engineers - Church Stretton
- Marchwood Conservatory Maintenance Ltd - Reading
- Marcliff Engineering - Banbury
- Marco Beverage Systems Ltd - Dublin
- Marco Trailers - Newhaven
- Marcol - Swanscombe
- Marcon Engineering Ltd - Sunderland
- Marcon Medical - Romney Marsh
- Marcote (UK) - Lichfield
- Marcrist International Ltd - Doncaster
- Marcroft Engineering Ltd - Stoke on Trent
- Marcus Egan - Swansea
- Mardale Pipes Plus Ltd - Runcorn
- Mardec Joinery Ltd - Croydon
- Marden Edwards Ltd - Wimborne
- Marden Engineering - Crawley
- Marden Thermographic Ltd - Leicester
- Mardens - Tunbridge Wells
- Mardigrove Ltd - Wolverhampton
- Mardon Recycling Machinery Ltd - Barnstaple
- Marfab - Ferryhill
- Marfab Welding - Stansted
- Marfield Springs - Macclesfield
- Marflow Engineering Ltd - Birmingham
- Margam Engineering and Welding Co Ltd - Port Talbot
- Marglen Engineering Co Ltd - Bedford
- Maria - Blackburn
- Marian Engineering Ltd - Gateshead
- Marin Joinery and Building Works - Cheltenham
- Marine and Industrial Transmissions Ltd - Goole
- Marine and Industrial Transmissions Ltd - Queenborough
- Marine Bearings Ltd - Bournemouth
- Marine Electrical Services - Middlesbrough
- Marine Engine Services - Newtownards
- Marine Propeller Systems - Carluke
- Marine Safety Engineering Company Ltd - Tamworth
- Marine Scaffolding Ltd - Jarrow
- Marine Services - Norwich
- Marine Services - Preston
- Marine Supply Services - Newmarket
- Marine Turbo Engineering Ltd - Birkenhead
- Mariner Gas Services Calor Shop - Scunthorpe
- Marinetronix Ltd - Aberdeen
- Marineware Ltd - Southampton
- Maritime and Rail Consulting Engineers - Consett
- Maritime Hydraulics UK Ltd - Aberdeen
- Mark 1 Signs - Aberdeen
- Mark 2 Engineering Consultants Ltd - Hamilton
- Mark Abrahams Bathrooms Ltd - Waltham Abbey
- Mark Andy UK Ltd - Macclesfield
- Mark Anthony Signs - Middlesbrough
- Mark At Signs Co - Lowestoft
- Mark Brock - Redditch
- Mark Cutting - Woodbridge
- Mark D Pitman - Crewkerne
- Mark David Rutter - London
- Mark Davis Engineering Co Ltd - Stourbridge
- Mark Heywood Associates - Northwich
- Mark Hill Sign Writer - Exeter
- Mark Humby and Co Ltd - Brighton
- Mark Hurrell - Bedford
- Mark Jackson Joinery Ltd - Preston
- Mark Jones - Welshpool
- Mark Lovell Design Engineers - Devizes
- Mark Metals Ltd - Oldbury
- Mark Morrison - Colchester
- Mark Oldham Services Ltd - Grimsby
- Mark Phillips - Lincoln
- Mark Read - Norwich
- Mark Rite Engineering - Haywards Heath
- Mark Roberts Motion Control Ltd - East Grinstead
- Mark Robinson Engineering - Cambridge
- Mark Robinson Sewing Machines Ltd - Newport (Gwent)
- Mark Ross - Cradley Heath
- Mark Waring - Ross on Wye
- Mark Wynn Fabrications - Rochdale
- Markall Machines Ltd - Epping
- Markell Ltd - Luton
- Market Metals Ltd - Stevenage
- Market Rasen Pallets - Market Rasen
- Market Rasen Precision Tools - Market Rasen
- Marketing & Design Associates Ltd (MDA) - Newbury
- Markham Metals - Doncaster
- Markingworld - Glasgow
- Markit Precision Engineering - Coalville
- Markluty.co.uk - Swanage
- Marko Precision Engineering - Nottingham
- Marks Mobility Services and Repairers Ltd - Bristol
- Marksman Industrial Ltd - Aldershot
- Marl Bank Sheet Metal Co (1977) Ltd - Worcester
- Marlborough Constructural Engineers Ltd - Leicester
- Marlborough Engineering Ltd - Belfast
- Marlborough Installations - Rochdale
- Marlborough Tools Ltd - Birmingham
- Marldon Group Ltd - Wirral
- Marlec Engineering Company Ltd - Corby
- Marleton Cross Ltd - Tewkesbury
- Marley Gas Fitting - Wirral
- Marlin (Ringwood) Ltd - Wimborne
- Marlin Engineers - Blaenavon
- Marlin Joinery - Burntwood
- Marlin Lighting Ltd - Feltham
- Marlin O-vee Gauges - Redditch
- Marlin Signs - Tring
- Marlyn Engineering Co - Nelson
- Marmax Air Power - London
- Marmax Ltd - Bedford
- Marmox (UK) Ltd - Rochester
- Marnel Buildings - Cheltenham
- Marpar Services - Cardiff
- Marpet Fabrications (1997) Ltd - Glasgow
- Marples Des - Sheffield
- Marposs Ltd - Coventry
- Marque Restore Chrome Plating Ltd - Coventry
- Marquest Medical - Hertford
- Marquin Engineering Co Ltd - Wolverhampton
- Marquis Precision Engineering Ltd - Weymouth
- Marr Engineering Ltd - Bristol
- Marr Vessell Management Ltd - Hull
- Marram Technical Services Ltd - Aberdeen
- Marrill Engineering (NE) Ltd - Gateshead
- Marrill Engineering Co Ltd / Alfred Herbert Rebuilding Services - Coventry
- Marriott, RJ - Kings Lynn
- Marrutt Ltd - Uckfield
- Mars Engineering Ltd - Mexborough
- Marsden Mobility - Banbury
- Marsh Bellofram Europe Ltd - Nottingham
- Marsh Forge Blacksmiths - Stafford
- Marsh Fuels - Newbury
- Marsh N and G - Cambridge
- Marshall Aerospace - Cambridge
- Marshall Askew - Maidenhead
- Marshall Catering Equipment - Wetherby
- Marshall Drills Ltd - Hyde
- Marshall Henderson Mechanical - Wisbech
- Marshall Industrial Supplies Ltd - Nottingham
- Marshall Joinery - Belper
- Marshall Maintenance Services - Frodsham
- Marshall Pump Systems Ltd - Oldham
- Marshall Sewing Machines - Derby
- Marshall Signs - York
- Marshall Thermo-King - Leeds
- Marshall ThermoKing Ltd - Worcester
- Marshall Timber Products - Middlesbrough
- Marshall Valve Services Ltd - Nottingham
- Marshall Welding and Design - Spalding
- Marshalls Commercial Equipment Supplies Ltd - Uxbridge
- Marshalls Hard Metals Ltd - Sheffield
- Marshalls Industrial Ltd - Wallingford
- Marshalls plc - Warwick
- Marshalsea Hydraulics Ltd - Taunton
- Marshott Non Ferrous Roofing Ltd - Canterbury
- Marshwood Joiners and Builders - Halifax
- Marske Furnishings - Redcar
- Marston and Grundy - Stockport
- Marston Brasswear - Wolverhampton
- Marston Metals - Stafford
- Marston Sheet Metal Ltd - Birmingham
- Marston-Safety Systems UK - Wolverhampton
- Martec Engineering - Colchester
- Martec Engineering Group Ltd - Glasgow
- Martek Industries Ltd - Cannock
- Marten Cottage Industries - Huddersfield
- Martens Conveyor Belts Ltd - Keighley
- Martex Paints Ltd - Birmingham
- Martham Boat Building and Development Co Ltd - Great Yarmouth
- Marthwaite Joinery Ltd - Sedbergh
- Martin - Rugeley
- Martin Access and Safety Training - East Kilbride
- Martin Aerospace Ltd - Lanark
- Martin and Boyland Ltd - Honiton
- Martin and Co (Architectural Ironmongery) Ltd - Birmingham
- Martin and Jill Caldwell - Letchworth Garden City
- Martin and Taylor Engineers Ltd - Bury
- Martin Birt Joinery - Gloucester
- Martin Chester's Quality Signs - Wallasey
- Martin Conquest Ltd - Hyde
- Martin Doyle Associates Ltd - Otley
- Martin E T and Son Ltd - London
- Martin Edwards - Preston
- Martin Engineering - Nottingham
- Martin Enviromental services - Rochester
- Martin Fasteners - Walsall
- Martin GAWCF - Billericay
- Martin Glover - Baldock
- Martin Healey Vehicle Adaptations - Darlington
- Martin Industrial Supplies - Hook
- Martin International Imports Ltd - London
- Martin J Harvey - Liphook
- Martin Jenkins Engineering Co Ltd - Tipton
- Martin Kemp Joinery Ltd - Penryn
- Martin Lord - Bury
- Martin Moore and Co - Amersham
- Martin O'brien and Associates Ltd - Manchester
- Martin P Mulryan and Associates Ltd - Stockport
- Martin Powell Engineering - Newent
- Martin Redston Associates - London
- Martin Refrigeration and Construction - Achnasheen
- Martin Security Smoke Ltd - Northampton
- Martin Sons and Co - Huddersfield
- Martin Stockley Associates - Manchester
- Martin Stockley Associates - Swansea
- Martin Thomas Associates - Romsey
- Martin Upton - Swindon
- Martin Wood - Nottingham
- Martin Works - Wisbech
- Martin-Baker Aircraft Ltd - Uxbridge
- Martincraft - Beccles
- Martinrea Industries Ltd - Basildon
- Martins Caravans - Exeter
- Martins Engineering and Fabrications - York
- Martins Of Exeter - Exeter
- Martins Pine - Leicester
- Martis Engineering Ltd - Kings Lynn
- Martland Ltd - Wigan
- Martool - Ilkeston
- Martract Ltd - Barton upon Humber
- Martyn Skinner and Sons - Exmouth
- Martyns - Mansfield
- Marval Heating - Colwyn Bay
- Marvic Home Improvements - Wisbech
- Marvic Precision Engineering Ltd - Accrington
- Marvin Engineering Services - Hornchurch
- Marvins - Billericay
- Marwel Conveyors Ltd - Oldbury
- Marwell Vending Services - Ellesmere Port
- Mary Obrien Pine - Middlesbrough
- Marybank Engineering - Dundee
- Marybern Rolled Products Ltd - Deeside
- Maryfield Engineering - Cupar
- Maryland Products Ltd - Dungannon
- MAS Engineering - Milton Keynes
- MAS Fabrications (Oldham) Ltd - Oldham
- MAS Services - Studley
- Mascall Associates Ltd
- Mascall Machinery - Birmingham
- Mascot Services - Stockton on Tees
- Masda Metal Workers - Colne
- Mashlin Friction Ltd - Sheffield
- Mason and Jones - Bromsgrove
- Mason and King Ltd - Leicester
- Mason and Morton Electronics - Coulsdon
- Mason Bros Ltd - Nottingham
- Mason CIE Ltd - Ipswich
- Mason Clark Associates - Hull
- Mason Engineering - Northallerton
- Mason Engineering Hydraulics - Northallerton
- Mason Morley Ltd - Leeds
- Mason Navarro Partnership - Hitchin
- Mason S and R Engineering Co - Birmingham
- Mason's Fabrications - Clitheroe
- Masons Fasteners Ltd - Birmingham
- Masons Fasteners Ltd - Birmingham
- Masons Ltd - Skipton
- Masons Print Group - Chester
- Mass Consultants Ltd - St Neots
- Mass Fab - Leicester
- Mass Installation - Barnard Castle
- Mass Measuring Ltd - Manchester
- Mass Systems Co Ltd - Basingstoke
- Massey for Catering Equipment - Craigavon
- Massey Truck Engineering Ltd - Sheffield
- Massie Ludnow and Jenkins - Redruth
- Masson Seeley Co Ltd - Downham Market
- Masstech (UK) - Leicester
- MassTech Ltd - High Wycombe
- MAST Systems - Northwich
- Mastar Ltd - Nottingham
- Masteel UK Ltd - Birmingham
- Mastenbroek Ltd - Boston
- Master Abrasives Ltd - Daventry
- Master Farm Services GB Ltd - Colchester
- Master Filtration Ltd - Letchworth
- Master Melts Refining Services Ltd - Buxton
- Master Profiles and Building Products Ltd - Maldon
- Master Robes - Basildon
- Master Robes - Upminster
- Master Sign - Hull
- Master Stainless Ltd - Eastleigh
- Master Tops - Shildon
- Mastercam CAD/CAM Systems - Cirencester
- Mastercopy Ltd - Stockton on Tees
- Mastercut Cutting Systems Ltd - Chesterfield
- Masterfil Ltd - Haywards Heath
- Masterfix - Cannock
- Masterforce Engineering - Bridgwater
- Mastergrave Ltd - Bedford
- Masterhitch Europe Ltd - Rochester
- Masterlube Systems Ltd - Shildon
- Mastermelt Ltd - London
- Masterprint Finishers - Dewsbury
- Masters Exhibitions and Shows - Sevenoaks
- Mastertools Ltd - Stockport
- Matan International Group Ltd - Liverpool
- Matchett B and Sons - Dungannon
- Matchless Engineering - Norwich
- Matchless Filters Ltd - Leicester
- Matchless Ltd - Warrington
- Matchmaker M/C Ltd - Leatherhead
- Matchridge - Stourbridge
- Mateline Engineering Ltd - Redditch
- Material Handling Devices Ltd - Cleckheaton
- Material Measurements Ltd - Reigate
- Materials Testing Equipment Ltd - Penrith
- Mathbirk International Ltd - Nottingham
- Mather Engineering Ltd - Barking
- Mathison Engineering - Gosport
- Mathmos Ltd - London
- Matker Engineering Ltd - Nuneaton
- Mato Industries - Accrington
- Matravers Engineering Ltd - Taunton
- Matrix - Southend on Sea
- Matrix Catering Systems Ltd - Wickford
- Matrix Engineering - Chesterfield
- Matrix Industries UK Ltd - Wallingford
- Matrix International Ltd - Forfar
- Matrix Lasers (North East) Ltd - Cramlington
- Matrix Lasers Ltd - Coventry
- Matrix Lasers South Yorkshire - Sheffield
- Matrix Machinery - Cannock
- Matrix Metal Work - Stonehaven
- Matrix Precision Engineering Ltd - Newbury
- Mats 4U - Sutton Coldfield
- Matsushita Avionics Systems Corporation - Slough
- Matt and Gloss Designs Ltd - Daventry
- Matt Dingle - Ottery St Mary
- Matt Perry - Coulsdon
- Matt Pressings and Engineering Ltd - Bridgnorth
- Mattei Compressors Ltd - Shipston on Stour
- Matterson Cranes - Rochdale
- Matterson Ltd - Coventry
- Matthew Davies Precision Engineering Ltd - Sunbury on Thames
- Matthew Higby - Radstock
- Matthews - Lisburn
- Matthews and Yates Ltd - Colchester
- Matthews Blinds - Wellingborough
- Matthews Engineering - Addlestone
- Matthews Engineering - Craigavon
- Matthews Engineering - Stoke on Trent
- Matthews JH and Sons - York
- Matthews Pro-Tec Services Ltd - North Shields
- Matthey UK Ltd - Dudley
- Matts and Jenkins Ltd - Birmingham
- Matts Sheet Metal - Nelson
- Matvic Engineering - Birmingham
- MatWest Engineering Co - Cheltenham
- Mauell Ltd - Calne
- Maughan and Sons Ltd - Sleaford
- Maughan Reynolds Partnership Ltd - Gateshead
- Maul Technology - Sunderland
- Maumoniat International Wholesale - Leeds
- Maurice Gill - Deal
- Maurice H Roberts - Salisbury
- Maurice Hughes Ltd - Bilston
- Maurice Walsh and Co Ltd - Ballynahinch
- Maval Electrical Engineering Co Ltd - Middlesbrough
- Max Access Ltd - Abingdon
- Max Engineering - Doncaster
- Max Fordham - Cambridge
- Max Fordham LLP - London
- Max Lift Ltd - Winchester
- Max Lift Trucks - Cannock
- Max Ltd - Market Drayton
- Max Wilson Fasteners Ltd - Newcastle upon Tyne
- Max Wright Ltd - Ware
- Maxam Pneumatics (T/u Hannifin plc) - Redruth
- Maxaura - High Wycombe
- Maxfield Business Equipment and Stationery Ltd - Ilford
- Maxhunt Ltd - Bristol
- Maxicause Ltd - Littlehampton
- Maxim Power Tools (Scotland) Ltd - Glasgow
- Maxim-Oto - Portsmouth
- Maximum Lift Trucks Ltd - Liverpool
- Maximus Handling Systems Ltd - Burntwood
- Maxon Combustion Systems Ltd - Birmingham
- Maxon Motor (UK) Ltd - Wokingham
- Maxperenco Products Ltd - Didcot
- Maxspeed Engineering Ltd - Cradley Heath
- Maxstone Engineering - Birmingham
- Maxsys Ltd - Walsall
- Maxtec Technical Services - Manchester
- Maxted Engineering Co Ltd - Hythe
- Maxview Ltd - Kings Lynn
- Maxwell Engineering and Welding Co - Salford
- Maxwell Engineering Co Ltd - Llandrindod Wells
- Maxwell Ltd - Midhurst
- Maxwell Lyons - Newry
- Maxwell Seals Ltd - Newcastle upon Tyne
- Maxwell Stewart - Manchester
- Mayall Pine - Newark
- Maybole Upholstery - Ayr
- Maybrey Reliance - Belvedere
- Maybury Textiles - Mansfield
Maycast-Nokes Precision Engineering Ltd - Halstead- Mayday Engineering Concepts - B