Brighton
- M18 Cleaning Services
- M4
- MacArthur Alex
- Maccarthy Pat
- MacConvilles
- Mac Cosmetics
- MacDonald & List
- Mace Partnership
- Macfixer
- Macguru Ltd
- Machine Mart
- Mackay Design Services
- Mackays Stores Ltd
- Mackellar Schwerdt Partnership
- Mackenzie M.D
- Mackley Construction
- Mackrell Marsh & Co
- Maclaren Alison, BA, MSc, C.Psychol
- Macleod Morrison Finance For Industry
- MacLeod Training
