Group
- Schofield Ventures, Ltd (LLC)1
- Scorched Earth Studios LLC3
- Scotty's Brewhouse2
- Scratch Factory Productions1
- Seamstress Cooperative4
- Set Enterprises4
- Set Enterprises, Inc.2
- Shoshana Kessock1
- Silverhawk Gaming2
- SlugFest Games11
- Smirk and Dagger Games11
- SmoreySwamp Axis & Allies Gamers87
- So1ks17
- South East London Wargames Group2
- Southern Indiana by Night4
- Sparks Games8
- Spartacus Publishing8
- Spiral Productions2
- Split Second Games8
- Star City Games1