Group
- Romeo's Foe Studios, LLP3
- Ronoken Publishing1
- RooSack Gamers4
- Royal N. Games2
- S2 Adventures15
- SFR Inc.42
- SMG5
- SRG Universe11
- SWM Gamers76
- Sandy Pug Games1
- Sarah Donner1
- Saturday Morning Games6
- Saving Throw2
- Scale751
- School of the Art Institute of Chicago1
- Scotty's Brewhouse1
- Scribelife LLC2
- Set Enterprises, Inc.10
- Shardlands Inc.2
- She's A Super Geek1