S
- Saks.com
- Sandals Resorts
- Sandos Hotels & Resorts
- SarahsUniverse.com
- Savile Row Company
- Scanshell Store
- Scholar's Choice
- Science Fiction Book Club
- Scribendi
- Sears
- Seatwave.com
- Select Blinds
- Sephora
- SFMusicBox
- Shoebuy.com
- Shoes For Crews
- Shopify
- Shopster
- Sierra Trading Post
- silkforme
- Silvert's
- Simply Audiobooks
- Singer22
- Site Dudes
- Skin ID
- Skullcandy.com
- Skylark NetWorks
- Skype
- Smartbox
- Smooth Fitness
- SnapTotes
- Sony Store
- SportChek.ca
- Sporting Bet
- Spotmau
- SpyFu
- Stuffed Animals
- Successories.com
- SWAKDesigns
- Swapalease.ca
- SwarmJam.com
- Swoopo
- Symantec
- Synovate-Canada