Companies
- Radian Games
- Radiant Entertainment
- Radiant Worlds
- Radical Entertainment
- Radical Forge
- Radon Labs
- RAFA Racing Club
- RailSimulator.com
- Rainbow Studios
- Ramen VR
- Random House
- Rangatang
- RapidEyeMovers
- Raptr
- Rare
- Rare Mircrosoft Studio
- Raspberry Pi
- Ratloop Games Canada
- Raven Software
- Ravenscourt Games
- Raw Fury
- Razer
- Razer (Europe) GmbH
- Re-Logic
- Reactional Music Group