Markham Brands
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- Canada Post (9)
- CANADIAN TIRE (1)
- Carlton Cards (8)
- Carquest (2)
- CARSTAR (1)
- Cash 4 You (1)
- CBI Health Centre (1)
- CENTURY 21 (43)
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- CIBC (8)
- Cineplex (1)
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- Curves (1)