Group
- Sour Lemon Games13
- Space Cats Peace Turtles1
- SpaceGamer LLC1
- Spacegamer LLC1
- Spartacus Publishing9
- Speer's Games5
- Spice of Life3
- Spin Master Inc.60
- Splattered Ink Games4
- Splendiferous Minis1
- Square Enix60
- Squid Studios5
- Star Trek Attack Wing Group- Greenwood, IN1
- Starcalled Studios10
- Starlit Games8
- Steamforged Games, LTD243
- Steve Jackson Games27
- Stinking River Gamers3
- Storm Bunny Studios5
- Stormcrest Inc1