Brampton Brands
- M&M Food Market (5)
- MAACO (1)
- Magicuts (1)
- Mandarin (3)
- Mappins Jewellers (1)
- Marbleslab Creamery (2)
- Mark's L'Équipeur (3)
- Marlin Travel (2)
- MARRIOTT (2)
- Marshalls (1)
- Mary Brown's (2)
- McDonald's (20)
- MEDIGAS (1)
- Melanie Lyne (1)
- Metro (4)
- MICHAELS (3)
- Midas (2)
- Miniso (2)
- Minuteman Press International (2)
- Mister Transmission (1)
- MNP LTD (2)
- MONEY MART (9)
- MONTANA'S (3)
- Moores Clothing (1)
- Mr. Greek (2)
- Mr. Lube (4)
- MR.SUB (6)
- MS Society of Canada (1)
- Mucho Burrito (2)