Winnipeg Brands
- M&M Food Market (10)
- MAACO (1)
- Magicuts (11)
- MANCHU WOK (1)
- Mappins Jewellers (1)
- Marbleslab Creamery (3)
- Maritime Travel (1)
- Mark's L'Équipeur (8)
- Marlin Travel (2)
- MARRIOTT (2)
- Marshalls (3)
- Mary Brown's (2)
- McDonald's (41)
- Melanie Lyne (1)
- MICHAELS (5)
- Midas (7)
- Minuteman Press International (3)
- Mister Transmission (2)
- MNP LTD (8)
- Mobile Snap (1)
- MONEY MART (12)
- MONTANA'S (4)
- Moores Clothing (3)
- Motion Industries (1)
- Moxie's Grill & Bar (2)
- Mr. Lube (7)
- MR.SUB (2)
- MS Society of Canada (1)
- Mucho Burrito (2)