Companies
- Roundhouse Studios
- Rovio Entertainment
- Rovio Mobile Ltd
- Rusty Lake
- Ryu Ga Gotoku Studio
- S-Game
- Saber Interactive
- Sabotage Studio
- Sad Cat Studios
- SAG-AFTRA
- Sam Barlow
- Samsung Electronics
- Sandlot
- Santa Monica Studio
- Santa Ragione
- Savage Game Studios
- Savvy Games Group
- SCE Japan Studio
- SCE London Studio
- SCE San Diego Studio
- Scopely
- Seagate
- Second Dinner
- Secret Level
- Secret Mode