Sirius XM
- Website
- https://www.siriusxm.ca
Snapchat
- Website
- https://www.snapchat.com
Seedtag
- Website
- https://www.seedtag.com/
Sunday Market Media Inc
- Website
- https://sunday.market/
Score Media and Gaming
- Website
- https://www.thescore.com/
Sourcepoint Technologies
- Website
- https://www.sourcepoint.com/
Saatchi & Saatchi
- Website
- http://saatchi.ca/en-ca/
Spark Foundry
- Website
- http://sparkfoundryww.com/
SkipTheDishes
- Website
- http://skipthedishes.com/
Sunflower Media
- Website
- http://sunflowermedia.ca/
Stingray
- Website
- http://www.stingray.com/
