| 'G' Companies | Period (Timeline) | Item #: Game | Item #: Non-Game |
|---|---|---|---|
| G Club | 1988 (1 year) | ||
| G Soft. | 1991 (1 year) | ||
| G&GSysco Corp. | 2002 (1 year) | ||
| G&M Ent. Co. [Korea] | 1995 to 2002 (8 years) | ||
| G-Limited | 1990 (1 year) | ||
| G-Look Amusement | 2011 to 2012 (2 years) | ||
| G-ROMS | 2015 (1 year) | ||
| G-Style | |||
| G. & M. Machinery Co. [Jacksonville, FL, USA] | 1933 (1 year) | ||
| G. & M. Mfg. Co. [Minneapolis, MN, USA] | 1940 (1 year) | ||
| G. Industrial S.A. [Brazil] | |||
| G. Universal Video | |||
| G.Rev | 2001 to 2013 (13 years) | ||
| G123 [Japan] | 2019 to 2024 (6 years) | ||
| G1WWX | 1986 to 1987 (2 years) | ||
| G2 Program Library | 1978 (1 year) | ||
| G2 Systems | 1987 to 1990 (4 years) | ||
| G4HLX | 1986 (1 year) | ||
| G:NE School's Computer Association | |||
| GAA [General Automated Amusements] | 1965 to 2008 (44 years) | ||
| Gaa, Gustav [Germany] | |||
| Gaascom, Ltd. | |||
| Gaba Soft. | 1986 (1 year) | ||
| Gabarik, Glenn | |||
| Gabel Mfg. Co., The, John [Chicago, IL, USA] | 1933 to 1940 (8 years) | ||
| Gabriel Industries [Hagerstown, MD, USA] | 1982 (1 year) | ||
| GAC Soft. | 1984 (1 year) | ||
| Gadget Soft | 2008 (1 year) | ||
| Gadtek Games | 1984 to 1992 (9 years) | ||
| Gaea [Japan] | 1997 (1 year) | ||
| Gaelco S.A. | 1990 to 2011 (22 years) | ||
| GAF | 1980 (1 year) | ||
| Gaff, Brian | 1995 (1 year) | ||
| GAGA Communications, Inc. [Japan] | 1995 to 2000 (6 years) | ||
| Gaijin Games | 2013 to 2022 (10 years) | ||
| Gainax [Japan] | 1988 to 2006 (19 years) | ||
| Gainen Shuppon | 1992 (1 year) | ||
| Gainstar | 1989 (1 year) | ||
| Gajits Music Soft. | 1991 to 1992 (2 years) | ||
| Gakken [Japan] | 1979 to 2006 (28 years) | ||
| Gakuman | 1995 (1 year) | ||
| Gakushu Kenkyusha | 1989 to 2003 (15 years) | ||
| Galactic Soft. | 1983 (1 year) | ||
| Galaga Games | 1984 (1 year) | ||
| Galanthis, Inc. | 1984 (1 year) | ||
| Galaxy Computer | 1984 (1 year) | ||
| Galaxy Design | 1980 (1 year) | ||
| Galaxy Electronics Corp. [Taipei, Taiwan] | 1980 (1 year) | ||
| Galaxy Games | 2021 (1 year) | ||
| Galaxy Soft. | 1984 (1 year) | ||
| Galdra Studios | 2023 (1 year) | ||
| Galett-Electronic [Germany] | |||
| Galfo, C.H. | 1978 (1 year) | ||
| Galifir Developments | 1992 (1 year) | ||
| Gallisoft | 1991 (1 year) | ||
| Galloping Ghost Productions | 2011 to 2019 (9 years) | ||
| Galoob | 1990 (1 year) | ||
| Gama Tronic | 1982 to 1989 (8 years) | ||
| Gamages of Holborn [England] | 1905 (1 year) | ||
| Gamart | 1995 (1 year) | ||
| Gambi | 2011 (1 year) | ||
| Gambit | 1984 (1 year) | ||
| Gambitious | 2019 (1 year) | ||
| Gambits | |||
| Gamble Soft. | 1985 (1 year) | ||
| Gambling Times | 1978 (1 year) | ||
| Gamco Industries | 1984 to 1992 (9 years) | ||
| Game & Time | |||
| Game Arts Co., Ltd. [Japan] | 1985 to 2023 (39 years) | ||
| Game Bakers, The | 2020 to 2022 (3 years) | ||
| Game Box | 2002 to 2010 (9 years) | ||
| Game Circus LLC | 2011 to 2019 (9 years) | ||
| Game Corp. | 1986 to 1987 (2 years) | ||
| Game Crafters | 1991 (1 year) | ||
| Game Electronics | 1986 to 1987 (2 years) | ||
| Game Essentials | |||
| Game Factory, The | 2004 to 2007 (4 years) | ||
| Game Freak | 1994 (1 year) | ||
| Game Homepage, The | |||
| Game Insight | 2012 to 2019 (8 years) | ||
| Game IQ | 1997 (1 year) | ||
| Game Line [Korea] | 1994 to 1995 (2 years) | ||
| Game Plus [Korea] | 1994 to 1995 (2 years) | ||
| Game Revival | 2002 (1 year) | ||
| Game Room, The [Anaheim, CA, USA] | 1992 to 2008 (17 years) | ||
| Game Source Ent. | 2020 to 2024 (5 years) | ||
| Game Star | |||
| Game Studio | 1996 to 2000 (5 years) | ||
| GAME Studios | 2001 (1 year) | ||
| Game Technology, Inc. | 1983 (1 year) | ||
| Game Technopolis [Japan] | 1989 to 1993 (5 years) | ||
| Game Town [Korea] | 1994 (1 year) | ||
| Game Village [Japan] | 2005 (1 year) | ||
| Game Vision [Brazil] | 1999 to 2002 (4 years) | ||
| Game Wizard | |||
| Game World, Ltd. [Nottingham, England] | 1980 to 1982 (3 years) | ||
| Game-A-Tron | |||
| Game2You [Korea] | 2001 (1 year) | ||
| Gameace | 1994 to 1995 (2 years) | ||
| GameArt, Ltd. | |||
| GameBank | 1996 to 1998 (3 years) | ||
| Gamebar | |||
| Gamebasics BV | 2012 to 2019 (8 years) | ||
| Gamebench | 1992 to 1993 (2 years) | ||
| Gamebox [Korea] | 1995 (1 year) | ||
| Gamebridge Ltd. | 2010 (1 year) | ||
| Gamebusters | 1986 to 1990 (5 years) | ||
| Gamecast Ent. | 2001 to 2022 (22 years) | ||
| Gameco | 1984 (1 year) | ||
| Gamecock Media Group | 2008 (1 year) | ||
| Gamegos | 2015 to 2018 (4 years) | ||
| GameHouse | 2010 to 2019 (10 years) | ||
| Gameland [Korea] | 1994 to 1995 (2 years) | ||
| Gamelion Studios | 2013 (1 year) | ||
| Gameload | 2004 (1 year) | ||
| Gameloft S.A. [France] | 2003 to 2023 (21 years) | ||
| Gamemasters Pty, Ltd. [Australia] | 1994 to 2010 (17 years) | ||
| Gamemasters, Inc. [Norcross, GA, USA] | 1989 (1 year) | ||
| GameMill Ent. | 2021 to 2024 (4 years) | ||
| GameNinja | 2009 (1 year) | ||
| GameOn | 2010 (1 year) | ||
| GamePark | 2001 to 2011 (11 years) | ||
| Gamer's Edge | 1990 to 1993 (4 years) | ||
| Gamera Games | 2023 (1 year) | ||
| Games 4 Europe | 1995 to 1996 (2 years) | ||
| Games by Sarah | 1994 (1 year) | ||
| Games Computing | 1984 (1 year) | ||
| Games Express | 1991 to 1995 (5 years) | ||
| Games Machine | 1983 to 1984 (2 years) | ||
| Games Master, The | |||
| Games Media | 2009 (1 year) | ||
| Games of Games Co. [Cleveland, OH, USA] | 1932 (1 year) | ||
| Games of Nevada | 1971 to 1993 (23 years) | ||
| Games of Tomorrow, Inc [Lynbrook, NY, USA] | 1983 (1 year) | ||
| Games That Weren't | 2008 (1 year) | ||
| Games to Learn By, Inc. | 1983 (1 year) | ||
| Games Workshop | 1984 to 1985 (2 years) | ||
| Games, Inc. [Chicago, IL, USA] | 1955 to 1962 (8 years) | ||
| Games2Jolly | |||
| Games2Rule | |||
| Gamesoft | 1984 (1 year) | ||
| Gamesoft [Cardiff, Wales] | 2009 (1 year) | ||
| Gamestar | 1983 to 1987 (5 years) | ||
| GamesTwoPlayer | |||
| Gamesware | 1994 (1 year) | ||
| Gametech | 1976 to 1995 (20 years) | ||
| Gametech [Japan] | |||
| Gametek Systems, Inc. [Vancouver, BC, Canada] | 1988 (1 year) | ||
| GameTek UK, Ltd. [026555] | 1990 to 1996 (7 years) | ||
| GameTek, Inc. [Miami Beach, FL, USA] [43948] | 1985 to 1998 (14 years) | ||
| Gametoc | 1989 (1 year) | ||
| GameTornado | |||
| GameTou [Korea] | 2002 (1 year) | ||
| Gametron | 2005 (1 year) | ||
| Gametronix International, Inc. | 1983 (1 year) | ||
| GameTrust | 2017 (1 year) | ||
| Gametry | 2023 to 2024 (2 years) | ||
| Gamevil | 2012 to 2019 (8 years) | ||
| Gamevillage | 2001 to 2003 (3 years) | ||
| GameWax | 2006 (1 year) | ||
| Gameworks | 1991 (1 year) | ||
| Gameworld | 1983 (1 year) | ||
| Gameworx Soft. | 1984 (1 year) | ||
| Gamex Amusements, Inc. [Canastota, NY, USA] | |||
| Gamex Industries, Inc. | 1974 to 1975 (2 years) | ||
| Gamey Industries | |||
| Gamic [France] | |||
| Gaming Factory, S.A. | 2023 (1 year) | ||
| Gaming Tech | |||
| Gaming Technologies | 2006 (1 year) | ||
| Gaminho | 2017 to 2019 (3 years) | ||
| Gamini | |||
| Gamma 2 | |||
| Gamma AWC | 1995 to 1997 (3 years) | ||
| Gamma Cracking Force | 1987 to 1988 (2 years) | ||
| Gamma Soft. | 1984 to 2003 (20 years) | ||
| Gammania Korea | 2002 (1 year) | ||
| Gammation | 1983 (1 year) | ||
| Gammatron | 1982 (1 year) | ||
| Gammera Nest | 2022 to 2023 (2 years) | ||
| Gamomat Distribution GmbH | |||
| Gamopat-Studio | 2022 (1 year) | ||
| Gamtec [Taiwan] | 1993 to 1995 (3 years) | ||
| GAMU [Japan] | 1984 to 1996 (13 years) | ||
| Gamuzumi | 2021 to 2023 (3 years) | ||
| Ganada Soft Co. [Korea] | 1998 to 2003 (6 years) | ||
| Ganapati, Ltd. | |||
| Gang of Swapper | 1990 (1 year) | ||
| Ganomat | |||
| Ganss, Clarke & Dengler [Saginaw, MI, USA] | 1889 (1 year) | ||
| Ganymede Systems | 1983 (1 year) | ||
| Gap Soft. | 1986 (1 year) | ||
| Gaping Wolf Soft. | 2007 (1 year) | ||
| GAPS, Inc. | 1995 to 2001 (7 years) | ||
| Garage 51 Ent., SL | 2023 (1 year) | ||
| Garai, Géza | 1986 (1 year) | ||
| Garbage Performers | 1997 (1 year) | ||
| Garbi Soft | 1985 (1 year) | ||
| Garbuzov, B.V | 1991 (1 year) | ||
| Garcia Y Guerra, S.A. | |||
| Garcia, Francisco Javier Serrano | 2003 (1 year) | ||
| Garcia, P. | 1984 (1 year) | ||
| Garde | 1987 (1 year) | ||
| Garden City Novelty Co. [Chicago, IL, USA] | 1930 to 1937 (8 years) | ||
| Gardiner & McAuley | 2000 (1 year) | ||
| Gardiner, George | 1997 (1 year) | ||
| Gardner, A.P. | 1983 to 1984 (2 years) | ||
| Gargoyle Games | 1984 to 1986 (3 years) | ||
| Garland Computing | 1983 to 1986 (4 years) | ||
| Garland, Mike | 1978 (1 year) | ||
| Garlando [Italy] | 2004 (1 year) | ||
| Garner, Richard | |||
| Garrett & Co., C. [England] | 1897 (1 year) | ||
| Garriott, Richard | 1977 to 1980 (4 years) | ||
| Garson Vending Machine Co. [NJ, USA] | 1904 (1 year) | ||
| Gartmann [Hamburg, Germany] | 1905 to 1934 (30 years) | ||
| Gartner, Michael | 1984 (1 year) | ||
| Gartz, Stefan | 1988 (1 year) | ||
| Garwood Metal Co. [Garwood, NJ, USA] | |||
| Gasoline Soft. [France] | 1986 to 1988 (3 years) | ||
| GASP | 1991 (1 year) | ||
| Gasparrini, Andrea | 2002 to 2021 (20 years) | ||
| Gasser | 1898 (1 year) | ||
| Gastaudn S. [France] | 1899 (1 year) | ||
| GAT [Game-A-Tron] [New Britain, CT, USA] | 1980 to 1983 (4 years) | ||
| Gate In Co. | 2000 (1 year) | ||
| Gathering of Developers, Inc. | 1998 to 2004 (7 years) | ||
| Gati Soft. | 1993 (1 year) | ||
| GATO Bt. | 1989 to 1993 (5 years) | ||
| Gatter Mfg. Co. [Philadelphia, PA, USA] | 1932 (1 year) | ||
| Gatter Novelty Co. [Philadelphia, PA, USA] | 1921 to 1927 (7 years) | ||
| Gauselmann, Paul [Espelkamp, Germany] | |||
| Gauss-Service | |||
| GAV Co. | 2005 (1 year) | ||
| Gawp! | 2000 (1 year) | ||
| Gaylo, Chris | 1970 (1 year) | ||
| Gaylord Mfg. Co. [Detroit, MI, USA] | |||
| Gayton Games [Northampton, England] | 1980 to 1981 (2 years) | ||
| Gayton Novelty Co. [Providence, RI, USA] | 1906 (1 year) | ||
| GB Standard | 1985 (1 year) | ||
| GBH [013658] | 1990 to 1994 (5 years) | ||
| GCC [General Computer Corp.] | 1981 to 1984 (4 years) | ||
| GCE [General Consumer Electric] | 1980 to 1983 (4 years) | ||
| GCE Tutoring | 1983 to 1985 (3 years) | ||
| GCTech Co., Ltd. | 1999 to 2002 (4 years) | ||
| GDCo. | 2016 to 2019 (4 years) | ||
| GDI, Inc. [Chicago, IL, USA] | 1981 to 1982 (2 years) | ||
| GDS | 1993 to 1994 (2 years) | ||
| gDW | 2000 (1 year) | ||
| GE [Germany] | |||
| GE [Japan] | 1995 (1 year) | ||
| Ge De Industry Co. | 1993 to 1995 (3 years) | ||
| GE Electric Co. [USA] | 1905 (1 year) | ||
| Gear Games | 2018 (1 year) | ||
| Gearbox Soft. | 2020 to 2024 (5 years) | ||
| Gearing, M.J. | 1984 (1 year) | ||
| GEASA [Spain] | 1986 to 1987 (2 years) | ||
| Gebelli Soft. | 1981 to 1983 (3 years) | ||
| Gebruder Eckhardt Computer Soft. | 1985 (1 year) | ||
| Gecco | 1989 (1 year) | ||
| Gedasa [Madrid, Spain] | 1972 to 1973 (2 years) | ||
| Gee Bee Mfg. Co. | |||
| Gee Whiz! Ent. [61297] | 1997 (1 year) | ||
| Geewa | 2017 (1 year) | ||
| Gegu | |||
| Geha, Andrew | 1989 (1 year) | ||
| Gehr, Earl | 1988 (1 year) | ||
| GEI [Grayhound Electronics, Inc.] [Toms River, NJ, USA] | 1986 to 1992 (7 years) | ||
| GEI [Greyhound Electronics, Inc.] [Toms River, NJ, USA] | 1982 to 1985 (4 years) | ||
| Geiger Import-Export | |||
| Geiger-Automatenbau | 1979 to 1992 (14 years) | ||
| Geisha Tokyo, Inc. | 2018 to 2019 (2 years) | ||
| Gellman & Nottingham | 1989 (1 year) | ||
| Gellman Soft., Robert | 1989 to 1992 (4 years) | ||
| Gem City Machine, Inc. | |||
| Gem Electronics | 1988 (1 year) | ||
| Gem Soft. | 1982 to 1986 (5 years) | ||
| Gem vending Mfg. Co. [Cleveland, OH, USA] | |||
| Gemdrops | 2023 (1 year) | ||
| Gemini | 1994 (1 year) | ||
| Gemini Marketing, Ltd. | 1982 to 1991 (10 years) | ||
| Gemini Mfg. Co., Ltd. [Glamorgan] | |||
| Gemini Soft. | 1982 to 1983 (2 years) | ||
| Gemlight | |||
| Gemtime | 1983 (1 year) | ||
| Gen Art, Co. Ltd. | |||
| Gen Soft [Japan] | 1996 (1 year) | ||
| Genco, Inc. [Chicago, IL, USA] | 1931 to 1958 (28 years) | ||
| Genera Games | 2013 to 2019 (7 years) | ||
| General [Japan] | 1984 (1 year) | ||
| General Amusement Equipment Co. | |||
| General Coin Products Corp. [Syracuse, NY, USA] | |||
| General Coin-Automatic Co. [Burlingame, CA, USA] | 1935 (1 year) | ||
| General Electric Co. | 1962 (1 year) | ||
| General Engineering & Technologies Srl. [Italy] | |||
| General Ent. | 1995 to 1998 (4 years) | ||
| General Home Products [USA] | 1976 to 1977 (2 years) | ||
| General Masters | 1983 (1 year) | ||
| General Merchandise Co. [Chicago, IL, USA] | 1931 (1 year) | ||
| General Metal Products | |||
| General Novelty Mfg. Co. [Chicago, IL, USA] | 1933 (1 year) | ||
| General PD | |||
| General Processor | 1979 (1 year) | ||
| General Products [Japan] | 1989 to 1990 (2 years) | ||
| General Products Co. [Sacramento, CA, USA] | 1944 (1 year) | ||
| General Quarters Soft. | 1989 to 1990 (2 years) | ||
| General Sales & Products Corp. [Cohoes, NY, USA] | 1932 (1 year) | ||
| General Soft. [Japan] | 1994 (1 year) | ||
| General Support [Japan] | 1992 to 1994 (3 years) | ||
| General Vending Machine Corp. [Chicago, IL, USA] | |||
| General Vending Service Co., The [Baltimore, MD, USA] | 1930 (1 year) | ||
| General Video | 1982 (1 year) | ||
| General Wood Products Co. [Cedarburg, WI, USA] | 1932 (1 year) | ||
| Generalmusic | 1999 (1 year) | ||
| Generation 5 [France] | 1989 to 1992 (4 years) | ||
| Generic Brand Soft. | 1990 (1 year) | ||
| Genesis | 1985 to 1991 (7 years) | ||
| Genesis Project | 1984 to 2022 (39 years) | ||
| Genesis Soft. [Japan] | 1984 (1 year) | ||
| Genesoft | 1989 (1 year) | ||
| Genetic Records | 1983 (1 year) | ||
| Genias | 1991 to 1993 (3 years) | ||
| Genisoft | 1987 (1 year) | ||
| Genius Sonority | |||
| Genki Co., Ltd. [Japan] | 1991 to 2015 (25 years) | ||
| Genoa | |||
| GenSoft | 2012 (1 year) | ||
| Gent Mfg. Co., WM. [Cleveland, OH, USA] | 1930 to 1931 (2 years) | ||
| Gent Vending Machine Co., William [Cleveland, OH, USA] | 1927 to 1929 (3 years) | ||
| Gentry Soft. | 1983 (1 year) | ||
| Genus | |||
| Genyval, S.A. | |||
| Genz & Braun | 1984 (1 year) | ||
| Geo-Grafix | 1982 to 1983 (2 years) | ||
| Geo-Soft | 1990 (1 year) | ||
| Geomind [Korea] | 1999 (1 year) | ||
| Georg, C. [France] | 1909 to 1913 (5 years) | ||
| Georgessoft | 1988 (1 year) | ||
| Georgia | 1996 (1 year) | ||
| GeoWorks | 1992 to 1993 (2 years) | ||
| Geoyeong [Korea] | 1993 to 1994 (2 years) | ||
| Gepo Soft | 1986 (1 year) | ||
| Gerber & Glass [Chicago, IL, USA] | 1942 (1 year) | ||
| Gerlach Family Soft. | 1990 (1 year) | ||
| Gerlai, Gyorgy | 1987 (1 year) | ||
| Germ-Soft | |||
| German [Germany] | 1994 to 1995 (2 years) | ||
| German Spreading Service | 1985 to 1989 (5 years) | ||
| German USA-Team | 1987 (1 year) | ||
| GERMAN-Games [Germany] | |||
| Germs, The | 1992 to 1994 (3 years) | ||
| Gerovac, Zeljko | 1985 (1 year) | ||
| Gerrie, Charlie | |||
| Gerrie, Jim | 2004 to 2014 (11 years) | ||
| Gerrish, Jim | 1972 to 1975 (4 years) | ||
| Gerritsen, Tom | 1985 (1 year) | ||
| GES, Ltd. [General European Service] [Italy] | 1994 (1 year) | ||
| Gesher Educational Affiliates | 1983 to 1984 (2 years) | ||
| Gessler Educational Soft. | 1983 to 1985 (3 years) | ||
| Gessler Group, The | |||
| Gestel | |||
| Gestion De Importaciones Y Tecnologias, S.L. | |||
| Get2 Team [Korea] | 1997 (1 year) | ||
| Geuther | 1993 to 1995 (3 years) | ||
| Geza Kos | 1987 (1 year) | ||
| GFA Systemtechnik GmbH | 1988 to 1991 (4 years) | ||
| GFI [Japan] | 2006 to 2010 (5 years) | ||
| GGG Soft. | 2018 (1 year) | ||
| gHAAUG | |||
| Gho-Team, The | 1990 to 1992 (3 years) | ||
| Ghost Pattern | 2022 (1 year) | ||
| Ghostlight, Ltd. | 2008 to 2015 (8 years) | ||
| GI Games | 1990 to 1992 (3 years) | ||
| Giants Soft. | 2021 (1 year) | ||
| GIB | 1984 (1 year) | ||
| Gibbons, J.P. | 1982 (1 year) | ||
| Giese & Co. [Berlin, Germany] | 1927 (1 year) | ||
| GIG S.p.A. [Italy] | 1982 to 1992 (11 years) | ||
| Giga [Japan] | 1993 to 2017 (25 years) | ||
| Giga Capsule [Korea] | |||
| Giga Electronics [Korea] | 1994 (1 year) | ||
| Gigabyte | 1999 (1 year) | ||
| GiGames [Novomatic Group] | |||
| Gigamix [Japan] | 1994 to 2020 (27 years) | ||
| Gigasoft | 1985 to 1988 (4 years) | ||
| GiGO | 2024 (1 year) | ||
| Gihan Electronics [Korea] | 1992 (1 year) | ||
| Giiku Games | 2021 (1 year) | ||
| GIJ Checkmate | |||
| Gilbert, Bill | 1986 to 1987 (2 years) | ||
| Gilbert, Russ | |||
| Gilbert, Sidney C. [Jackson, OH, USA] | 1905 (1 year) | ||
| Gilbert, Walter | 1977 (1 year) | ||
| Giles & Simpkins, Inc. [Inglewood, CA, USA] | 1930 (1 year) | ||
| Gili Soft | 1995 (1 year) | ||
| Gillespie Games Co. [Long Beach, CA, USA] | 1947 (1 year) | ||
| Gillett Novelty Co. [Detroit, MI, USA] | 1903 (1 year) | ||
| Gillies & Mayeda | 1977 (1 year) | ||
| Gillies, I. | |||
| Gillman, Roger | 1992 to 1994 (3 years) | ||
| Gillogly, James | 1970 (1 year) | ||
| Gilman Confectionery Co. [Boston, MS, USA] | 1888 (1 year) | ||
| Gilsoft International, Ltd. | 1982 to 1988 (7 years) | ||
| Gimix, Inc. | 1981 (1 year) | ||
| Gimmick House [Japan] | 1992 to 1995 (4 years) | ||
| Gimpster | |||
| Ginn & Co. | 1984 (1 year) | ||
| Ginza [Japan] | 1973 to 2013 (41 years) | ||
| Giochi Preziosi [Italy] | 2005 to 2013 (9 years) | ||
| Gioia, Greg | 1985 to 1989 (5 years) | ||
| Girdner Co., C.T. [Wastonville, CA, USA] | 1949 (1 year) | ||
| Giricz, Laszlo | |||
| Girl Tech | 2005 (1 year) | ||
| Gise, Pat | 1989 to 1991 (3 years) | ||
| Gismart | 2015 to 2019 (5 years) | ||
| Gist Cabinet Co. [Kansas City, MO, USA] | 1933 (1 year) | ||
| Giuliano Lodola | 1978 to 1981 (4 years) | ||
| Giunti Multimedia | 1993 to 1994 (2 years) | ||
| GJ E&M Corp. [Korea] | 2013 (1 year) | ||
| GJMG Enterprises | 1987 (1 year) | ||
| GL | 1981 to 1982 (2 years) | ||
| GL Intrattenimenti [Imola, BO, Italy] | |||
| GL Programs | 1990 (1 year) | ||
| GL Technology, Inc. [USA] | 1991 to 1996 (6 years) | ||
| Gladden & Lill & White | 1984 (1 year) | ||
| Gladstone Electronics | 1981 (1 year) | ||
| Glaize, Sylvain | 2023 (1 year) | ||
| Glak Associates [Providence, RI, USA] | 1982 (1 year) | ||
| Glams | 1992 to 1997 (6 years) | ||
| Glasco [Muncie, IN, USA] | 1962 (1 year) | ||
| Glascock Bros. Mfg. Co. [Muncie, IN, USA] | |||
| Glaser Bros. [Germany] | |||
| Glaser, Th.C. [East Orange, NJ, USA] | 1935 (1 year) | ||
| Glass Bottom Games | 2023 (1 year) | ||
| Glaurung | 2014 (1 year) | ||
| Gleason & Co., J.F. [Chicago, IL, USA] | 1930 (1 year) | ||
| Gleason, Edgar [Onalaska, WI, USA] | 1897 (1 year) | ||
| GLEM | 1985 (1 year) | ||
| Glenco | 1990 (1 year) | ||
| Glencoe Computing | 1988 to 1989 (2 years) | ||
| Glendale | |||
| Glentop | 1985 (1 year) | ||
| Glickman Co. | |||
| Glitchbit | 2018 (1 year) | ||
| GLL Soft. [Spain] | 1990 (1 year) | ||
| Global A Ent., Inc. | 2000 to 2003 (4 years) | ||
| Global Co., Ltd. | 1999 to 2003 (5 years) | ||
| Global Corp. | 1983 (1 year) | ||
| Global Ent. Products, LLC. | |||
| Global Ent. Systems, Ltd. | 1994 (1 year) | ||
| Global Game [Korea] | 2004 (1 year) | ||
| Global Games | 1996 to 2005 (10 years) | ||
| Global Games [Scotland] | 1985 to 1991 (7 years) | ||
| Global Gaming | |||
| Global Industries | 1971 (1 year) | ||
| Global Soft. [Japan] | |||
| Global Soft. [UK] | 1985 to 1992 (8 years) | ||
| Global Soft. Network | 1981 (1 year) | ||
| Global Star Soft. | 1997 to 2008 (12 years) | ||
| Global VR [San Jose, CA, USA] | 1999 to 2014 (16 years) | ||
| Globe Amusement Machine Co. | 1924 to 1926 (3 years) | ||
| Globe Game Tech. Co., Ltd. [Taiwan] | 2012 to 2014 (3 years) | ||
| Globe Machine Co. [Dallas, TX, USA] | 1938 (1 year) | ||
| Globe Novelty Co. [Chicago, IL, USA] | 1936 (1 year) | ||
| Globe Vending Co. [Chicago, IL, USA] | 1907 (1 year) | ||
| Glodia Co., Ltd. [Japan] | 1989 to 1995 (7 years) | ||
| Gloom | 1990 to 1992 (3 years) | ||
| Gloomywood | 2017 (1 year) | ||
| Gloria [Japan] | 1995 (1 year) | ||
| Glorysun [Russia] | 2002 to 2004 (3 years) | ||
| Glorytone | 1976 to 1977 (2 years) | ||
| Glowmonkey | 2011 to 2015 (5 years) | ||
| Gluk Video | 1990 to 1999 (10 years) | ||
| GM Electronic Co., Ltd. [Korea] | 2005 (1 year) | ||
| GM Laboratories | 1935 (1 year) | ||
| GM Shoji | 1981 to 1986 (6 years) | ||
| GMA | 1986 (1 year) | ||
| GMB [Games Manufacturing Brussel] [Brussels, Belgium] | |||
| GMF | 1996 to 1999 (4 years) | ||
| GMF Programs | 1990 (1 year) | ||
| GMO GP, Inc. | 2017 to 2019 (3 years) | ||
| GMP Games | |||
| GMS Co., Ltd. [Game Master System] [Taipei, Taiwan] | 1996 to 2007 (12 years) | ||
| GN Soft. [Japan] | 2006 to 2007 (2 years) | ||
| GNAT Computers | 1980 (1 year) | ||
| Gnomic | 1984 to 1985 (2 years) | ||
| Gnomix Soft. | 1983 (1 year) | ||
| Gnomonica | 1984 (1 year) | ||
| GO 1 [Japan] | 1992 (1 year) | ||
| GO! Media Holdings, Ltd. [13442] | 1986 to 1993 (8 years) | ||
| Go-Go Games | |||
| GOAT Store Publishing | 2003 to 2009 (7 years) | ||
| Gobel, Friedrich [Cranzahl i. Erzgeb., Germany, USA] | |||
| Goble, Brian | 1993 to 1999 (7 years) | ||
| Goblin Destroyer, The | 1989 (1 year) | ||
| Gobong [Korea] | 1992 to 1996 (5 years) | ||
| GOC Soft. | 1983 (1 year) | ||
| Godax | 1988 (1 year) | ||
| Godet, Jean-Michel [Paris, France] | 1982 (1 year) | ||
| Godfreys Soft. | 1990 (1 year) | ||
| Godless Cracking Satans | 1990 (1 year) | ||
| Gods | 1984 to 1986 (3 years) | ||
| Godsoft | |||
| Godwin, Nick | 1984 (1 year) | ||
| Goebels, Heinrich [Cologne, Germany] | 1934 (1 year) | ||
| Goegebeur, A. [Choisy-Le-Roi, France] | |||
| Goetz, Mike | |||
| Goffe, Theodore N. [Springfield, MO, USA] | 1903 to 1904 (2 years) | ||
| GOG sp. z o.o. | 2008 to 2023 (16 years) | ||
| Gohin, Antoine | 2016 (1 year) | ||
| Gohsoft [Netherlands] | 1991 (1 year) | ||
| Gold Bond Operating Co. [Newark, NJ, USA] | 1927 (1 year) | ||
| Gold Cats | 1992 (1 year) | ||
| Gold Cats Project | 1990 to 1996 (7 years) | ||
| Gold Club d.o.o. [Sezana, Slovenia] | 2008 to 2009 (2 years) | ||
| Gold Coast Soft. | 1989 (1 year) | ||
| Gold Disk | 1986 to 1993 (8 years) | ||
| Gold Medal Products Co. [Cincinnati, OH, USA] | 1967 (1 year) | ||
| Gold Medallion Soft. [AZ, USA] | 1992 to 1994 (3 years) | ||
| Gold Olympia | 2006 (1 year) | ||
| Gold Record Soft. | 1984 (1 year) | ||
| Goldau Softwareproduction, Andreas | |||
| Golden Bell Co., Ltd. | 1991 to 1993 (3 years) | ||
| Golden Bell Ent. | 2002 (1 year) | ||
| Golden China | |||
| Golden Dawn | 1994 to 1996 (3 years) | ||
| Golden Dragon Amusement Co. [ZhongShan, Guangdong, CHINA] | 2009 to 2010 (2 years) | ||
| Golden Games | 1985 to 1998 (14 years) | ||
| Golden Goblins | 1989 to 1990 (2 years) | ||
| Golden Label | 1997 (1 year) | ||
| Golden Leon [Russia] | 1999 (1 year) | ||
| Golden Nugget Casino | 1955 to 1957 (3 years) | ||
| Golden Soft [Japan] | 1995 (1 year) | ||
| Golden State Business Systems | |||
| Golden, S.L. | |||
| Goldfire | 1991 (1 year) | ||
| Goldmark Systems | 1986 to 1991 (6 years) | ||
| Goldmatic [Italy] | 1978 (1 year) | ||
| GoldStar [Korea] | 1983 to 1995 (13 years) | ||
| Goldstar Soft. [London, England] | 1984 (1 year) | ||
| Golem, Ltd. | 1982 to 1984 (3 years) | ||
| Golf Unlimited, Inc. [Denver, CO, USA] | 1952 (1 year) | ||
| Golfo Mfg. Co. | |||
| Goliath | 1982 to 1983 (2 years) | ||
| Goliath Games | 1988 to 1990 (3 years) | ||
| Gollner Publishing, Ltd. | 1988 to 1996 (9 years) | ||
| Golubtsov, Aleksey | 2018 (1 year) | ||
| Gonzalez, Cristian | 2016 to 2019 (4 years) | ||
| Gonzalo | 1984 (1 year) | ||
| Gonzo Games | 1990 to 1992 (3 years) | ||
| Goober Vending Co. [Chicago, IL, USA] | 1910 (1 year) | ||
| Good Deal Games | 2002 to 2014 (13 years) | ||
| Good Electronics [Korea] | 2003 to 2004 (2 years) | ||
| Good House | 1995 (1 year) | ||
| Good Housekeeping Soft. | 1983 (1 year) | ||
| Good Job Games | 2017 to 2019 (3 years) | ||
| Good Mega Corp. [Japan] | 2000 (1 year) | ||
| Good Shepherd Ent. | 2023 (1 year) | ||
| Goodbody, John [Rochester, NY, USA] | 1931 (1 year) | ||
| Goodison Soft. | 1984 to 1986 (3 years) | ||
| Goodman Ent. | 2010 (1 year) | ||
| Goodman, Ken | 1989 (1 year) | ||
| Goodman, Merle K. | 1989 (1 year) | ||
| GoodTimes Ent. | 1992 to 1993 (2 years) | ||
| Goodwin & Kingswell | 1983 (1 year) | ||
| Goodwin, Simon | 1981 (1 year) | ||
2000 to 2016 (17 years) | |||
| Gorden Musical Ind. [Chicago, IL, USA] | 1968 (1 year) | ||
| Gordon, Al | 1981 to 1982 (2 years) | ||
| Gore Aviation, Inc. | 1987 (1 year) | ||
| Gore Vending Machine Co. | |||
| Gorgor & Menace | 1988 (1 year) | ||
| Goro [Japan] | 1991 (1 year) | ||
| Gorretta & Co., Andrew [Cleveland, OH, USA] | 1934 (1 year) | ||
| Gorski, D. | 1984 to 1985 (2 years) | ||
| Gorski, Mike | |||
| GOS [Guild of Swappers] | 1989 to 1990 (2 years) | ||
| Gotham Games | 2002 to 2004 (3 years) | ||
| Gothenburg Computer Cracking | 1986 (1 year) | ||
| Gothic Designs | 1992 to 1994 (3 years) | ||
| Goto Soft. | 1998 to 2000 (3 years) | ||
| Gottlieb & Co., D. [Chicago, IL, USA] | 1928 to 1996 (69 years) | ||
| Gouby, R. [France] | 1935 (1 year) | ||
| Gouder Co. | 1993 (1 year) | ||
| Goudey Gum Co. [Boston, MA, USA] | |||
| Gould & London | 1999 (1 year) | ||
| Gourd Production [Japan] | 1994 (1 year) | ||
| Gowin [Taiwan] | 2000 to 2001 (2 years) | ||
| Gozeur | |||
| GP Soft. | 1992 to 1997 (6 years) | ||
| GPA | 1987 to 2009 (23 years) | ||
| GPD-Soft. | 1986 to 1987 (2 years) | ||
| GPi [Game Plan, Inc.] [IL, USA] | 1978 to 1985 (8 years) | ||
| GPS Co., Ltd. [Game Power System] [Taiwan] | 1995 to 2006 (12 years) | ||
| GR Edizioni S.r.l. [Italy] | 1995 to 1999 (5 years) | ||
| GR Games Srl. | |||
| GR8 Soft. | 2009 to 2011 (3 years) | ||
| Gra-Pro [Japan] | |||
| Gra2 Project Team | 1993 to 1995 (3 years) | ||
| Grachev, Denis | 2019 (1 year) | ||
| Gracomm | 1994 (1 year) | ||
| Gradiente [Brazil] | 1983 to 1997 (15 years) | ||
| Graffiti Ent., LLC | 2006 to 2009 (4 years) | ||
| Grafox | 1986 to 1989 (4 years) | ||
| Graftex Soft. | 1989 (1 year) | ||
| Graftgold Ltd. | 1989 to 1990 (2 years) | ||
| Graham Co., L.C. [Albany, NY, USA] | 1926 to 1927 (2 years) | ||
| Graig Co. | |||
| Gram & Goodie & Hibbard | 1968 (1 year) | ||
| Gram Games, ltd. | 2014 to 2019 (6 years) | ||
| Granada [USA] | 1976 to 1978 (3 years) | ||
| Granada Publishing | 1983 to 1985 (3 years) | ||
| Grand National Sales Co. [Chicago, IL, USA] | 1939 to 1941 (3 years) | ||
| Grand Products, Inc. [Elk Grove Village, IL, USA] | 1986 to 1990 (5 years) | ||
| Grand Rapids Slot Machine Co. [Grand Rapids, MI, USA] | 1894 (1 year) | ||
| Grandbois Co., U.G. [Kalamazoo, MI, USA] | 1927 (1 year) | ||
| Grandex Data | 1984 (1 year) | ||
| Grandslam Ent., Ltd. | 1985 to 1995 (11 years) | ||
| Grandslam Video, Ltd. | 1992 to 1994 (3 years) | ||
| Grandstand | 1976 to 1992 (17 years) | ||
| Grant Searle | |||
| Grant Soft. | |||
| Granzella, Inc. [Japan] | 2018 to 2023 (6 years) | ||
| Grapefruit Moon Soft. | |||
| Graphic Techno EW [Japan] | 1984 to 1985 (2 years) | ||
| Graphix Zone | 1997 (1 year) | ||
| Graphsim Ent., Inc. | 2008 (1 year) | ||
| Graphtext 128 | 1987 (1 year) | ||
| Grass Roots Soft. | |||
| Grasset, I. [Marseille, France] | 1898 (1 year) | ||
| Grasshopper Manufacture | 2008 (1 year) | ||
| Gravel Studios Games | 2016 (1 year) | ||
| Gravelais [Saint-Étienne, France] | 1930 (1 year) | ||
| Graves, Edward J. [New York, NY, USA] | 1889 (1 year) | ||
| Graves, James R. [Mount Pleasant, MI, USA] | 1893 (1 year) | ||
| Gravesend Home Computers | 1983 (1 year) | ||
| Gravity Game Arise Co., Ltd. [Japan] | 2024 (1 year) | ||
| Gravity Interactive, Inc. [Korea] | 2002 to 2019 (18 years) | ||
| Gravity Mobile [Korea] | |||
| Gravity Vending Machine Co. [Chicago, IL, USA] | 1903 to 1907 (5 years) | ||
| Gray Design Associates | 1989 to 1996 (8 years) | ||
| Gray Electronic [Italy] | 1978 (1 year) | ||
| Gray Soft. | 1980 to 1983 (4 years) | ||
| Gray Telephone Pay Station Co. [Hartford, CN, USA] | 1912 (1 year) | ||
| Gray, David P. | 1990 (1 year) | ||
| Gray, Steve | 2012 (1 year) | ||
| Gray, Walter | |||
| Graycoach Amusement Devices, Inc. [Pennsauken, NJ, USA] | 1953 (1 year) | ||
| Grayzor | 1990 (1 year) | ||
| Great [Japan] | 1986 to 1995 (10 years) | ||
| Great American Automatic Vending Machine Co. [Hoboken, NJ, USA] | 1904 (1 year) | ||
| Great Bear Technology, Inc. | 1994 (1 year) | ||
| Great Corp. | 1996 (1 year) | ||
| Great Eastern Novelty Co. | 1897 (1 year) | ||
| Great Effects Dev. | 1996 (1 year) | ||
| Great Game Products | 1987 (1 year) | ||
| Great Lakes Coin Machine Co. [Toledo, OH, USA] | |||
| Great Northern Chair Co. | |||
| Great States Mfg. Co. [Kansas City, MO, USA] | 1932 to 1939 (8 years) | ||
| Great Syntheman, The | |||
| Great Valley Products | 1990 to 1994 (5 years) | ||
| Great Wave Soft. | 1986 (1 year) | ||
| Great Western Products Co. [Kansas City, MO, USA] | 1927 (1 year) | ||
| Greaves, David | 1983 (1 year) | ||
| Green & Broad [New York, NY, USA] | 1839 (1 year) | ||
| Green & Jones & Malin | 1984 (1 year) | ||
| Green [Korea] | 2002 (1 year) | ||
| Green Pepper Best Entertainment [28844] | 1995 to 2004 (10 years) | ||
| Green Pig Production | 1995 (1 year) | ||
| Green Soft | 1988 to 1989 (2 years) | ||
| Green Valley Publishing | 1985 to 1987 (3 years) | ||
| Green, Bruce [High Holborn, England] | 1889 (1 year) | ||
| Green, Sanford [Lewiston, MT, USA] | 1898 (1 year) | ||
| Greenblatt, Richard | 1966 (1 year) | ||
| Greene, Warren L. | |||
| Greener Grass | 2017 (1 year) | ||
| Greentube | |||
| Greenup, Ashley | 1984 to 1994 (11 years) | ||
| Greenwood Ent. Soft. GmbH | 1996 (1 year) | ||
| Grees & Chany | 1986 to 1992 (7 years) | ||
| Greifenkamp, Mike | 1987 (1 year) | ||
| Gremlin Graphics Soft., Ltd. [013658] | 1984 to 1994 (11 years) | ||
| Gremlin Ind, Inc. [San Diego, CA, USA] | 1975 to 1988 (14 years) | ||
| Gremlin Interactive, Ltd. [013658] | 1995 to 2008 (14 years) | ||
| Gresoy [Saint-Étienne, France] | 1908 (1 year) | ||
| Grewe Computertechnik | 1986 to 1987 (2 years) | ||
| Grewer, Edward C. [Scranton, PA, USA] | 1901 (1 year) | ||
| Grey Box | 2017 (1 year) | ||
| Greye Soft., J.K. [UK] | 1981 to 1982 (2 years) | ||
| Greyhound Soft. | 1988 (1 year) | ||
| GreyMatter Soft. | 1986 (1 year) | ||
| GreyStone Technology | 1994 to 2001 (8 years) | ||
| Gribble, Glenn | 2000 (1 year) | ||
| GRiD Systems Corp. | 1982 to 1984 (3 years) | ||
| Grier, Alan | 1986 (1 year) | ||
| Griffin Aerotech, LLC | 2017 to 2023 (7 years) | ||
| Griffin Soft. | 1983 to 1984 (2 years) | ||
| Griffin Vending Co. | 1911 (1 year) | ||
| Griffin, Robert | 1978 (1 year) | ||
| Grilo, Jaime | 2017 to 2019 (3 years) | ||
| Grimorio of Games | 2021 (1 year) | ||
| GrimTalin | 2022 (1 year) | ||
| Grisewood & Dempsey | 1984 (1 year) | ||
| Griswold & Co., Milton O. [Rock Island, IL, USA] | 1889 to 1902 (14 years) | ||
| Griswold Mfg. Co. [Rock Island, IL, USA] | 1905 to 1922 (18 years) | ||
| Grocer [Japan] | 1992 to 1995 (4 years) | ||
| Grocery Co., August [VA, USA] | 1901 (1 year) | ||
| Grochow, Jerrold | 1970 (1 year) | ||
| Groetchen Tool & Mfg. Co. [Chicago, IL, USA] | 1930 to 1950 (21 years) | ||
| Grohne & North & Williams | 1977 (1 year) | ||
| Grok Dev., Ltd. | 2002 (1 year) | ||
| Grolier Publishing | 1984 to 1999 (16 years) | ||
| Gromann, Daniel | 2004 to 2016 (13 years) | ||
| Groovisions | 2000 (1 year) | ||
| Gross & Co., Inc., Rube [Seattle, WA, USA] | 1934 to 1935 (2 years) | ||
| Gross, Oliver | 1978 (1 year) | ||
| Grosvenor Soft. | 1983 to 1990 (8 years) | ||
| Grotnik Soft. | 1984 (1 year) | ||
| Groupe Loisirs [France] | 1985 to 1987 (3 years) | ||
| Groupe Tests | 1983 to 1985 (3 years) | ||
| Groupi | |||
| Groupware [WA, USA] | 1993 (1 year) | ||
| Grove Bros. [Philadelphia, PA, USA] | 1893 (1 year) | ||
| Groverware | 1987 (1 year) | ||
| Grow, Jason | 2011 (1 year) | ||
| Gruber Soft., Ted | 1989 to 1992 (4 years) | ||
| Grulet & Co., E. [Migennes, Yonne, France] | |||
| Grunau & Stecyk | 1977 (1 year) | ||
| Grund, L.G. [Philadelphia, PA, USA] | 1903 (1 year) | ||
| Grundig | 1979 (1 year) | ||
| Grundy Business Systems, Ltd. | 1981 (1 year) | ||
| Grunfeldt, Helmut [Germany] | 1999 to 2000 (2 years) | ||
| Grupo Creators Union [Spain] | 1989 to 1991 (3 years) | ||
| Grupo de Trabajo Soft. | 1983 to 1987 (5 years) | ||
| Grupo Editorial SYGRAN [Spain] | 1986 to 1989 (4 years) | ||
| Grupo SITSA | 1985 (1 year) | ||
| Gruppo Editoriale Fabbri Bompiani Sonzogno ETAS | 1984 (1 year) | ||
| Gruppo Editoriale Jackson | 1984 to 1991 (8 years) | ||
| Gruss, G. | 1930 (1 year) | ||
| Grussu, Alessandro | 2012 to 2019 (8 years) | ||
| Gryphon Soft. Corp. | 1996 (1 year) | ||
| Gryshcenko, Dmytro | 1996 (1 year) | ||
| GS Alliance | 1990 (1 year) | ||
| GS2 Games | 2021 to 2023 (3 years) | ||
| GS<>IRC | 1992 (1 year) | ||
| GSN Soft. | 1987 (1 year) | ||
| GSoft | 1983 to 1984 (2 years) | ||
| GSP | 2008 (1 year) | ||
| GST Video | 1982 to 1983 (2 years) | ||
| GT Enterprise, Inc. | 1983 (1 year) | ||
| GT Interactive Soft. Corp. [NY, USA] | 1993 to 2004 (12 years) | ||
| GT Soft Corp. | 1992 to 1993 (2 years) | ||
| GTAC | |||
| GTC Inc. | 1991 to 1992 (2 years) | ||
| GTE Ent. | 1994 to 1996 (3 years) | ||
| GTech Corp. [Providence, RI, USA] | 2002 to 2009 (8 years) | ||
| GTI [Game Technology, Inc] | 1983 to 1984 (2 years) | ||
| GTI Soft. | 1988 to 1990 (3 years) | ||
| GTM | |||
| GTM Computers | |||
| GTS Editorial, S.A. [Madrid, Spain] | 1984 to 1987 (4 years) | ||
| Guan Shing | |||
| Guangzhou Li Cheng [China] | 2002 (1 year) | ||
| Guaranteed Products Co. | |||
| Guardian Soft. | 1984 (1 year) | ||
| Gucker | 1975 (1 year) | ||
| Guenter, Boris | 1997 (1 year) | ||
| Guevara, Andy | 1981 (1 year) | ||
| Gugi, Zoltán | |||
| Guiberson Co. [Dallas, TX, USA] | |||
| Guido | 1987 (1 year) | ||
| Guilbaud Freres [Paris, France] | 1920 (1 year) | ||
| Guild Publishing | 1984 (1 year) | ||
| Guild, The | 1982 to 1995 (14 years) | ||
| Guildhall Leisure Services, Ltd. | 1989 to 1997 (9 years) | ||
| Guildsoft, Ltd. | 1995 (1 year) | ||
| Guilty [Japan] | 1996 to 2004 (9 years) | ||
| Gulliver Ritchie Associates | 1994 (1 year) | ||
| Gum & Sweetmeat Co. [Whiteplains, NY, USA] | 1904 (1 year) | ||
| Gum-A-Mib Co. [Milwaukee, WI, USA] | |||
| Gumatic Corp. [St. Louis, MO, USA] | 1938 (1 year) | ||
| Gumbo Machine | 2022 to 2023 (2 years) | ||
| Gumboot Soft. | 1983 to 1985 (3 years) | ||
| Gumi, Kazuyuki Shinjuki | 1992 (1 year) | ||
| Gun Interactive | 2023 (1 year) | ||
| Gundeck | 1991 (1 year) | ||
| Gunder, Claude A. [Bloomfield, IN, USA] | 1903 (1 year) | ||
| GungHo Online Ent. | 2009 to 2022 (14 years) | ||
| GungHo Works, Inc. | 2009 (1 year) | ||
| Gunn, Christopher G. | 1991 (1 year) | ||
| Gunn, George | 1985 (1 year) | ||
| Gust [Japan] | 1994 to 2014 (21 years) | ||
| Gust, Soren | |||
| Gustafsson, Andreas | 2016 (1 year) | ||
| Gustin Fils Aïné [Deville, France] | 1900 (1 year) | ||
| Gute Fabrik, Die | 2023 (1 year) | ||
| Guthrie, Chris | 1986 (1 year) | ||
| Gutierez, Oscar Toledo | 2012 (1 year) | ||
| Guyart, Simon | 1995 (1 year) | ||
| Guzuta | 2004 (1 year) | ||
| GV Alfa Soft. | |||
| GW De Melven [UK] | 1900 (1 year) | ||
| GW's-Workshop | 2017 to 2018 (2 years) | ||
| GWK | 1980 (1 year) | ||
| Gyagon | |||
| Gyangy, Sandor | |||
| Gym Cycle Amuse Co. [Nashville, TN, USA] | 1956 (1 year) | ||
| Gyo [Japan] | |||
| Gyorffy, Endre | 1989 (1 year) | ||
| Gyousei | 1989 to 1994 (6 years) | ||
| GYY [Taiwan] | |||
| Gävle Datapedagogiska Centrum | 1989 (1 year) |