- The Matching Brick Co. - Knapps Lane, Bristol, Avon, BS5 7UQ
- The Materials Handling Warehouse - Unit 4, Bransford Service Units, Worcester, WR6 5JB
- The MathWorks - Matrix House, Cambridge, CB4 OHH
- The Maxim Group Ltd - The New Mill, Selby, North Yorkshire, YO8 9HP
- The Mayfield Group - 68 Old Wareham Road, Poole, Dorset, BH12 4QR
- The McNeal Method - 92 Leicester Avenue, Thornton-Cleveleys, Lancashire, FY5 2DW
- The Media Shop Scotland Ltd - 5 Royal Exchange Square, Glasgow, Lanarkshire, G1 3AH
- The MEL Group - Laurence Walter House, Sudbury, Suffolk, CO10 2YW
- The Membrane Keyboard Company - Unit 2, Fareham , Hampshire, P014 1AH
- The Menu Shop - 38 High Street, Warminster, Wiltshire, BA12 9AF
- The Merc Medics - Unit B1, Send Business Park, Woking, Surrey, GU23 7EF
- The Metallic Wool Co Ltd - Bredgar Road, Gillingham, Kent, ME8 6PL
- The Metals Warehouse - Redfield Road, Nottingham, Nottinghamshire, NG7 2UJ
- The Microfilm Shop - 15 Hammond Close, Nuneaton, Warkickshire, CV11 6RY
- The Mill - 11-14 Windmill Street, London, Greater London, W1T 2JG
Companies 1876 to 1890 | Page 126 of 273