| Blind Squirrel Entertainment | 2010 | 5 | — |
| Blizzard Entertainment | February 8, 1991 | 19 | 17 |
| Blizzard North | 1993 | 2 | — |
| Blue Fang Games | 1998 | 10 | — |
| Blue Mammoth Games | 2009 | 1 | — |
| Blue Planet Software | 1996 | 1 | 2 |
| BlueSky Software | 1988 | 9 | 1 |
| BorderLeap | — | 1 | — |
| Boss Game Studios | 1994 | 1 | — |
| Boss Team Games | — | — | 2 |
| Brash Entertainment | 2007 | 1 | 2 |
| BreakAway Games | 1998 | 2 | 1 |
| Broderbund | 1980 | 7 | 17 |
| Budcat Creations | 2000 | 4 | — |
| Bungie | May 1991 | 12 | 7 |
| Butterscotch Shenanigans | 2012 | 3 | 3 |
| California Pacific Computer Company | 1979 | — | 2 |
| Camouflaj | — | 1 | — |
| Capstone Software | 1984 | 4 | 1 |
| Carbonated Games | 2004 | 1 | — |
| Cartoon Network | October 1992 | 2 | 2 |
| Cartoon Network Studios | 1994 | — | 1 |
| Cat Daddy Games | 1996 | 10 | — |
| Cavedog Entertainment | 1996 | 4 | — |
| Celeris | 1987 | 2 | — |
| Chair Entertainment | 2005 | 3 | — |
| Choice of Games | 2009 | 146 | 146 |
| Choice Provisions | 2007 | 8 | 1 |
| Chromatic Games | December 14, 2009 | 4 | 4 |
| Chronic Logic | 2001 | 1 | 1 |
| Cinemassacre Productions | 2004 | — | 3 |
| Cinematronics | 1975 | — | 1 |
| Cinemaware | 1986 | 3 | 3 |
| Cinemaware, Inc. | — | — | 1 |
| Citadel Studios | 2013 | 1 | 1 |
| CodeCombat | April 2013 | 1 | — |
| Color Dreams | 1988 | — | 1 |
| Commodore International | October 10, 1958 | — | 1 |
| Conspiracy Entertainment | 1997 | — | 2 |
| Cosmi Corporation | — | — | 9 |
| Crave Entertainment | 1997 | 1 | 20 |
| Creative Capers Entertainment | 1989 | 1 | — |
| Crescent Moon Games | 2009 | — | 9 |
| Crunchyroll | May 14, 2006 | — | 1 |
| Crunchyroll, LLC | — | — | 2 |
| Cryptic Studios | June 2000 | 2 | — |
| Crystal Dynamics | 1992 | 18 | 1 |
| Crytivo Games | — | — | 8 |
| Cyan Worlds | 1987 | 10 | 6 |
| Cyberlore Studios | 1992 | 3 | — |
| D3 Publisher | February 5, 1992 | — | 113 |
| Danger Close Games | 1995 | 13 | — |
| DangerousBob Studio | — | 3 | 2 |
| Darkside Game Studios | 2008 | 1 | — |
| Datasoft | June 12, 1980 | 2 | 2 |
| Daybreak Game Company | 1995 | 6 | 8 |
| DC Comics | 1977 | — | 1 |
| DC Studios | 1999 | 2 | — |
| Dead Drop Studios | — | 3 | 3 |
| Dejobaan Games | 1999 | 1 | 1 |
| Destination Software Inc. | 2001 | — | 2 |
| Destineer | 2001 | 1 | 3 |
| Devolver Digital | 2009 | — | 89 |
| Digerati | — | — | 28 |
| DigiPen Institute of Technology | 1988 | — | 52 |
| Digital Chocolate | 2003 | 1 | 1 |
| Digital Continue | 2016 | 2 | 1 |
| Digital Eel | 2001 | 1 | 1 |
| Digital Pictures | 1991 | — | — |
| Digital Praise | — | 1 | 1 |
| Digital Reality | 1991 | 2 | — |
| Dire Wolf Digital | — | 4 | 3 |
| Disney Interactive Studios | December 5, 1994 | 7 | 67 |
| Disney Mobile | 2000 | 1 | 1 |
| Disruptor Beam | 2010 | 1 | 1 |
| Doinksoft | 2018 | 2 | — |
| Double Dagger Studio | — | 1 | 1 |
| Double Fine | July 2000 | 6 | 2 |
| Double Helix Games | 2007 | 4 | — |
| Dramatic Labs | — | 1 | 1 |
| DreamRift | 2009 | 1 | — |
| DreamWorks | October 12, 1994 | — | 1 |
| Drifter | 2016 | 1 | 1 |
| EA Mobile | 2004 | 10 | 4 |
| EA Orlando | 1994 | 49 | — |
| EA Salt Lake | 1992 | 2 | — |
| EA Seattle | 1982 | 1 | — |
| EA Sports | 1991 | 16 | 137 |
| EA Sports Big | 2000 | 2 | 8 |
| Eat Sleep Play | 2007 | 1 | — |
| Eclipse Software | 1999 | 1 | — |
| Edge Games | 1990 | 1 | 1 |
| Edge of Reality | 1988 | 6 | 1 |
| Edu-Ware | 1979 | 2 | 2 |
| EGames | 1992 | 1 | 5 |
| Electro Brain | 1990 | — | 1 |
| Electronic Arts | May 28, 1982 | 66 | 444 |
| Ember Entertainment | 2011 | 1 | 1 |
| Empty Clip Studios | July 2007 | 3 | — |
| En Masse Entertainment | 2010 | — | 1 |