| 10tacle Studios | 2003 | 1 | 3 |
| 2tainment | — | 1 | 2 |
| 49Games | 2004 | 2 | — |
| Aerosoft | 1991 | — | 19 |
| Aesir Interactive | — | 3 | — |
| Andrade Games | — | 2 | 1 |
| Animation Arts | — | 4 | — |
| Application Systems Heidelberg | 1985 | — | 4 |
| Ariolasoft | 1982 | 2 | 1 |
| Arte | — | — | 1 |
| Ascaron | 1991 | 12 | 4 |
| Assemble Entertainment | 2016 | — | 11 |
| Astragon | 2000 | 2 | 16 |
| Asylum Square | — | 3 | 3 |
| Attic Entertainment Software | September 1990 | 3 | — |
| Axel Springer SE | 1946 | — | 1 |
| B-Alive GmbH | — | 1 | — |
| Bigpoint GmbH | 2002 | 5 | 4 |
| Black Forest Games | 2012 | 6 | — |
| Blue Byte Mainz | 1995 | 3 | — |
| Bonus Level Entertainment | 2016 | 1 | — |
| Braingame Publishing | 1994 | 4 | 3 |
| Bright Future | 2006 | 1 | — |
| Caipirinha Games | — | 2 | — |
| Candygun Games UG | 2009 | 1 | — |
| Cdv Software Entertainment | 1989 | 5 | 18 |
| ChessBase | 1985 | — | — |
| Chimera Entertainment | 2006 | 3 | — |
| Clockwork Origins | — | 2 | 2 |
| Coreplay | — | 1 | — |
| Crafting Legends | — | 1 | 1 |
| Cranberry Production | 1997 | 3 | — |
| CrazyBunch | September 2014 | 3 | — |
| CSP Mobile GmbH | 1999 | 4 | 4 |
| Daedalic Entertainment | 2007 | 10 | 28 |
| Deck13 Interactive | 2001 | 5 | 3 |
| Deep Silver | 2002 | — | 52 |
| Detach Entertainment | 2019 | 1 | 1 |
| DigiTales Interactive | March 11, 2019 | 1 | — |
| Digitalmindsoft | July 2006 | 3 | — |
| DTP entertainment | 1995 | — | 9 |
| EA Phenomic | 1997 | 5 | — |
| Eggcode Games | 2010 | 1 | 1 |
| Egosoft | 1988 | 7 | 1 |
| Einzelartig Games | — | 1 | — |
| Envision Entertainment | October 8, 2013 | 1 | — |
| Europäisches Hansemuseum | 2015 | — | 1 |
| ExDream | — | 1 | — |
| FDG Entertainment | September 2001 | — | 2 |
| Federal Ministry for Economic Cooperation and Development | September 14, 1961 | — | 1 |
| Fein Games | — | 1 | — |
| Firepunchd | 2015 | 1 | — |
| Fishlabs | 2004 | 2 | 2 |
| Flow Fire Games | — | 1 | 1 |
| Funatics Software | 1998 | 4 | — |
| Game Seer | — | — | 1 |
| Gameforge | December 2003 | — | 1 |
| Gaming Minds Studios | 2009 | 5 | — |
| Giiku Games | — | — | 2 |
| Goodgame Studios | 2009 | 1 | 1 |
| Grimbart Tales | 2015 | 1 | — |
| Halycon Media | — | 1 | — |
| Happy Broccoli Games | — | 3 | 2 |
| Headup Games | 2009 | 1 | 33 |
| Heureka-Klett-Softwareverlag | — | — | 2 |
| Higgs Games | — | 1 | 1 |
| Independent Arts Software | 1990 | 8 | — |
| InnoGames | 2007 | 2 | 2 |
| It Matters Games | — | 4 | — |
| Joindots | — | 4 | 6 |
| Kalypso Media | 2006 | — | 26 |
| Kamibox | — | 2 | 1 |
| Keen Games | 2005 | 1 | — |
| King Art Games | 2000 | 2 | — |
| Kingsoft GmbH | 1983 | 1 | 3 |
| KORION | — | — | 1 |
| Kritzelkratz 3000 GmbH | — | 1 | — |
| LAB132 | 2017 | 1 | — |
| Limbic Entertainment | 2002 | 6 | — |
| Mad About Pandas | 2005 | 1 | — |
| Magic Bytes | 1987 | — | 1 |
| Magnussoft | 1984 | 25 | 25 |
| Massive Development | October 1994 | 2 | — |
| Massive Miniteam | — | 1 | — |
| Medienhaus Oetinger | June 12, 1946 | — | 1 |
| Monokel | — | 1 | — |
| Moonbyte Games | — | 1 | — |
| Mooneye Studios | — | — | 1 |
| Morphcat Games | — | 1 | — |
| MR-Software GbR | — | 1 | — |
| Nebula Device | 2000 | 2 | — |
| Neon Studios | 1993 | 1 | — |
| NG.DEV.TEAM | 2001 | 1 | — |
| Ohsat Games | — | 1 | — |
| Out of the Park Developments | — | 19 | 19 |
| Paintbucket Games | — | 3 | — |
| Pearl GmbH | September 6, 1989 | — | 1 |
| Phenomedia | 1999 | 2 | 4 |
| Piranha Bytes | October 12, 1997 | 8 | — |
| Pixel Beef Games | 2020 | 1 | 1 |