Aerospace Company Index - M
- M A G Shoe Services Ltd. - Sheffield
- M and P International (UK) Ltd - Farnham
- M D Medical Ltd - Chesterfield
- M E C Recycling Ltd - Lincoln
- M Moss - Pitlochry
- M R S Scientific Ltd. - Wickford
- M Tant - Harpenden
- M-Scan Ltd - Wokingham
- M.D.J. Light Brothers (Scrap Processers) Ltd (Daventry) - Daventry
- M.K.Household Waste Recycling Ltd - Daventry
- Macarthys Laboratories Ltd. - Romford
- Macbream Trustees Ltd - Maidenhead
- Macrofarm Chemicals Ltd - Windsor
- Macton (South Wales) Ltd - Cardiff
- Maddox - Wembley
- MagDev Ltd - Swindon
- Magfern Recycling Ltd - Derby
- Magnetic Shields Ltd - Tonbridge
- Magnus Power - St Leonards on Sea
- Mailes Waste Management - Malvern
- Makevale Ltd. - Ware
- Malcolm Gill Ltd. - Brighouse
- Malgraves Instruments - Upminster
- Malvern Medical Developments Ltd. - Worcester
- Mana-Tech Ltd - Burton on Trent
- Manchester Plastics Ltd - Macclesfield
- Mannering (London) Ltd - London
- Mantek (Manufacturing) Ltd - Aldershot
- Mantis Surgical Ltd. - Basingstoke
- Manx Healthcare Group Ltd. - Warwick
- Marigold Footcare Ltd. - Edgware
- Mark Fin Laboratory Insulation - Keighley
- Mark Lyndon Paper Enterprises (U K) Ltd - Nottingham
- Marontech Communications - Haslemere
- Martin James Medical Ltd. - Truro
- Maskellmann Cable Recycling Ltd - Enfield
- Mason's Products - Littleborough
- Mast Diagnostics Ltd - Bootle
- Masterpiece - London
- Materials Engineering Research Laboratory (MERL) Ltd - Hitchin
- Mathur Electro-Medical Ltd - Hassocks
- Mathys Orthopaedics Ltd - Alton
- Matrix Technologies - Wilmslow
- Matrix Technologies Corporation Ltd. - Wilmslow
- Matthews Auto Salvage - Gaerwen
- Maudsley Brooks - Milton Keynes
- Mawdsley-Brooks and Co Ltd - Salford
- Mawdsleys Trustee Ltd - Sheffield
- Maxell Moulding Services - Telford
- Maximuscle Holdings Ltd - Hemel Hempstead
- Mayberry & Morris Pharmacy - Cardiff
- Maycast-Nokes Precision Engineering Ltd - Halstead
- Mc Coey and Co Ltd - Belfast
- McAteer Recycling Ltd - Newry
- McKillop Dental Equipment Ltd. - Southport
- McNeil Ltd - Maidenhead
- Meadow Laboratories Ltd - Romford
- Meadowrose Scientific Ltd. - Oxford
- Mechmed - Kings Lynn
- Mecmesin Ltd - Horsham
- Med-Lab Ltd - Derby
- Medacta Uk Ltd - Coalville
- Medasil (Surgical) Ltd. - Leeds
- Medesign Ltd - Southport
- Medex Medical Inc - Rossendale
- Medex Medical Ltd - Cumbernauld
- Medi Pack Health Care Ltd - Bradford
- Medibond Ltd. - Exeter
- Medical Aesthetic Supplies Ltd - Southampton
- Medical Equipment Import Ltd - York
- Medical Footwear Ltd. - London
- Medical Imaging Systems Ltd. - London
- Medical Services (London) Ltd - Arundel
- Medical Solutions (Leeds) Ltd - Leeds
- Medical Supplies (N.I.) Ltd - Belfast
- Medicalia Ltd - Liverpool
- Medicare (Ni) Ltd - Belfast
- Medicare Products Ltd - Dagenham
- Medicare Trade Ltd. - London
- Medicina Ltd - Bolton
- Medident (Uk) Ltd - Staines
- Medikit Ltd. - Lincoln
- Medilink Services - Belfast
- Medimmune U K Ltd. - Liverpool
- Medin International Ltd - Northampton
- Mediplus Ltd. - High Wycombe
- Medipost (UK) Ltd - Weymouth
- Medipure Ltd. - Chester
- Medisafe International Ltd - Bishops Stortford
- Mediscope Ltd - Lydney
- Medisecure Ltd. - Harlow
- Medisys America Ltd. - Woodbridge
- Meditec Medical Ltd - Manchester
- Mediwatch Diagnostic Clinics Ltd. - Rugby
- Mediwin Ltd - Littlehampton
- Mediworld International Ltd - London
- Mediworld Ltd. - London
- Mediwrap Ltd - Southend on Sea
- Medix Pharmacy - Stevenage
- Medlock Medical Holdings Ltd. - Dunstable
- Medoc(Glos.) Ltd - Tetbury
- Medtex Ltd - Smethwick
- Medtronic Ltd. - Watford
- Meg Instrumentation Ltd. - Sheffield
- Megaflex Ltd - Southwell
- Megagen Uk & Ireland - Wembley
- Melyd Medical Ltd - Chester
- Menston Pharmacy - Ilkley
- Mentor Medical Systems Ltd - Newbury
- Merc Engineering UK Ltd - Nelson
- Merck Serono Ltd - Feltham
- Mercury Bearings Ltd - Enfield
- Mercury Investments (Uk) Ltd - Bootle
- Merlin Medical Ltd - Tredegar
- Merritt Science Ltd - St Albans
- Mersona Ltd - Birmingham
- Merz Pharma Uk Ltd - Borehamwood
- Metachem Diagnostics Ltd. - Northampton
- Metal & Waste Recycling Ltd (Walsall) - Walsall
- Metreel Ltd - Ilkeston
- Metrodent Ltd. - Huddersfield
- MGM Precision Ltd - Newcastle upon Tyne
- Michael Hill Opticians - Walsall
- Mickle Laboratory Engineering Co Ltd - Guildford
- Micro Finish Grinding (UK) Ltd - Waltham Cross
- Microbial Developments Ltd - Malvern
- Microlease plc - Harrow
- Microlink Technology Ltd - Wirral
- Micron Technologies Ltd. - Dartford
- Microscopix Ltd. - Hoddesdon
- Microsulis Ltd. - Waterlooville
- Microsulis Medical Ltd - Waterlooville
- Midland Aerospace Ltd. - Nottingham
- Midland Medical Services Ltd. - Rowley Regis
- Midland Toiletries - Walsall
- Midmeds Ltd. - Loughton
- Milestone Medical Services Ltd. - Reading
- Milfab Engineering Ltd - Colchester
- Millbrook Precision Engineering Ltd - Chesterfield
- Millennium Medical Products Ltd. - Manchester
- Miller & Miller (Chemicals) Ltd. - Ilford
- Millercare - Manchester
- Milnes Bros - Croydon
- Milpharm Ltd. - Ruislip
- Milsom Industrial Designs Ltd. - Bath
- Miltenyi Biotec Ltd. - Woking
- Milton Keynes Pressings Ltd - Milton Keynes
- Minatol Ltd - Kingston upon Thames
- Mindray (Uk) Ltd - Huntingdon
- Minerva Laboratories Ltd. - Cardiff
- MiniTec UK Ltd - Basingstoke
- Mint Medical Ltd - Petersfield
- Miracle Ear - Cardiff
- Mirage Dental Products Ltd (Bolton) - Bolton
- Misonix Urology Services Ltd - Bristol
- Mitsubishi Pharma Europe Ltd. - London
- Mk-V Europe Ltd - Manchester
- Mml Realisations Ltd - Waterlooville
- Mobility & Disabled Access Ltd - Sittingbourne
- Mobility Care Centre - Porthcawl
- Mobility Matters - Larkhall
- Modern Mobility Ltd - Leicester
- Modern World Data Ltd - Dolgellau
- Molar Ltd - Wedmore
- Mollart-Cox Engineering Ltd. - Chesterfield
- Molnlycke Health Care Ltd - Dunstable
- Monarch Hair & Beauty Ltd - Swindon
- Montrose Group - High Wycombe
- Moorfield Industries Ltd. - Glossop
- Moorings Mediquip - Ballymena
- Moorland Surgical Supplies Ltd. - Manchester
- Moplant Ltd - Langport
- Morgan REM - Aylesbury
- Mornington 2000 Llp - Harrogate
- Morphosys Uk Ltd - Kidlington
- Morrison and Macdonald (Holdings) Ltd - Paisley
- Morsafe Supplies - Newtown
- Morson International - Preston
- Motion Industrial Products Ltd - Stafford
- Motion Mobility - Warrington
- Movianto Uk Ltd - Bedford
- MPE Ltd - Kirkby
- Msa Laboratories Ltd - Shepperton
- Msd Ltd - Hoddesdon
- MSH Electronics Ltd - Wimborne
- MSI Quality Forgings Ltd - Doncaster
- Mss International Ltd - Keighley
- Mt Health Ltd. - Oldham
- Muffett Gears - Tunbridge Wells
- Mulberry House (Complementary Healthcare) Ltd. - Edinburgh
- Mundipharma International Ltd. - Cambridge
- Munro Pharmaceuticals Ltd. - Aberdeen
- Munroe Hearing Care - Glasgow
- Muraspec (Tonbridge) - Tonbridge
- Murray Productions Ltd - Hayes
- Musmate Ltd - Bath
- Myerson Ltd. - Harrow
- Mykal Industries Ltd - Widnes
- Mylen Recruitment Ltd - Royston
- Myriad Medical Supplies Ltd - London