Game companies starting with letter 0-9

Company nameGamesFoundedLocationWww
21st Century Entertainment 1 1991 Oxfordshire, England  
221B Software Development 2 1991 United Kingdom  
3D Realms 1 1994 Garland, TX, USA www
3DO Company, The 1 1991 Redwood City, California, U.S. www
989 Studios 1 1995 Los Angeles, CA, United States