Ottawa Brands
- Taco Bell (4)
- Tbooth wireless (2)
- TD Canada Trust (23)
- TD Wealth Financial Planners (8)
- TELUS (2)
- Teriyaki Experience (6)
- Tesla Destination Charger (2)
- Thai Express (6)
- THE BEER STORE (13)
- The Body Shop International (4)
- The Brick (3)
- The Children's Place (3)
- The Chopped Leaf (1)
- The Church of Jesus Christ of Latter-day Saints (1)
- The Co-operators (9)
- The Keg Steakhouse (3)
- The Medicine Shoppe Pharmacy (1)
- The Mobile Shop (8)
- The National Capital Region YMCA-YWCA (7)
- The Royal Canadian Legion (4)
- The Salvation Army (5)
- The Shoe Company (1)
- The United Church of Canada (20)
- The UPS Store (8)
- THINGS ENGRAVED (1)
- Thomas Sabo (2)
- Thrifty Car Rental (4)
- Ticketmaster (1)
- Tim Hortons (69)
- Timothy's (8)
- TIPTOP TAILORS (3)
- Tirecraft (1)
- TOYS R US (1)
- TPH The Printing House (2)
- Trade Secrets (1)
- Travelodge (1)
- TruGreen (1)