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13732 companies

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Companies (602)Years of activities
 G Club
        1988 
 G Soft.
        1991 
 G&GSysco Corp.
        2002 
 G-Limited
        1990 
 G-Look Amusement
2011 to 2012 
 G-Style
 
 G. & M. Machinery Co. [Jacksonville, FL, USA]
        1933 
 G. & M. Mfg. Co. [Minneapolis, MN, USA]
        1940 
 G. Universal Video
 
 G.LL.Soft. [Spain]
        1990 
 G.Rev
2001 to 2013 
 G2 Systems
1987 to 1990 
 GAA [General Automated Amusements]
1965 to 2008 
 Gaa, Gustav [Germany]
 
 Gaascom, Ltd.
 
 Gaba Soft.
        1986 
 Gabarik, Glenn
 
 Gabel Mfg. Co., The, John [Chicago, IL, USA]
1933 to 1940 
 Gabriel Industries [CBS div.] [Hagerstown, MD, USA]
        1982 
 GAC Soft.
        1984 
 Gadget Soft
        2008 
 Gadtek Games
1984 to 1987 
 Gaea [Japan]
 
 Gaelco
1990 to 2005 
 GAF
        1980 
 GAGA Communications, Inc. [Japan]
1995 to 2000 
 Gainax [Japan]
1988 to 2006 
 Gainen Shuppon
        1992 
 Gainstar
        1989 
 Gakken [Japan]
1979 to 2002 
 Gakuman
        1995 
 Gakushu Kenkyusha
        1989 
 Galactic Soft.
        1983 
 Galaga Games
        1984 
 Galanthis, Inc.
        1984 
 Galaxy Computer
        1984 
 Galaxy Design
        1980 
 Galaxy Electronics Corp. [Taipei, Taiwan]
        1980 
 Galaxy Soft.
        1984 
 Galett-Electronic [Germany]
 
 Galle, Nicolas
 
 Gallisoft
        1991 
 Galloping Ghost Productions
2011 to 2019 
 Galoob
 
 GAM [Japan]
1987 to 1995 
 Gama Tronic
1982 to 1989 
 Gamages of Holborn [England]
        1905 
 Gamart
        1995 
 Gambitious
        2019 
 Gambling Times
        1978 
 Gamco Industries
1984 to 1992 
 Game & Time
 
 Game Arts Co., Ltd. [Japan]
1985 to 2002 
 Game Box
        2002 
 Game Circus LLC
2011 to 2019 
 Game Corp.
1986 to 1987 
 Game Electronics
1986 to 1987 
 Game Factory, The
2004 to 2007 
 Game Freak
        1994 
 Game Insight
2012 to 2019 
 Game Line
1994 to 1995 
 Game Plus [Korea]
        1994 
 Game Revival
        2002 
 Game Room, The [Anaheim, CA, USA]
1992 to 2008 
 Game Star
 
 Game Studio
        1996 
 GAME Studios
        2001 
 Game Technology, Inc.
        1983 
 Game Technopolis [Japan]
1989 to 1993 
 Game Village [Japan]
        2005 
 Game Vision [Brazil]
1999 to 2001 
 Game Wizard
 
 Game World, Ltd. [Nottingham, England]
1980 to 1982 
 Gameace
        1994 
 GameArt, Ltd.
 
 GameBank
1997 to 1998 
 Gamebar
 
 Gamebasics BV
2012 to 2019 
 Gamebench
        1993 
 Gamebridge Ltd.
        2010 
 Gamebusters
1987 to 1990 
 Gameco
        1984 
 Gamecock Media Group
        2008 
 GameHouse
2010 to 2019 
 Gamelion Studios
        2013 
 Gameloft S.A. [France]
2005 to 2019 
 Gamemasters Pty, Ltd. [Australia]
        2010 
 Gamemasters, Inc. [Norcross, GA, USA]
        1989 
 GameMill Ent.
 
 GameOn
 
 GamePark
2001 to 2005 
 Games 4 Europe
1995 to 1996 
 Games Co., The
 
 Games Computing
        1984 
 Games Express
1991 to 1995 
 Games Machine
1983 to 1984 
 Games Master, The
 
 Games Media
        2009 
 Games of Games Co. [Cleveland, OH, USA]
        1932 
 Games of Nevada
1971 to 1993 
 Games of Tomorrow, Inc [Lynbrook, NY, USA]
 
 Games That Weren't
        2008 
 Games to Learn By, Inc.
        1983 
 Games Workshop
1984 to 1985 
 Games, Inc. [Chicago, IL, USA]
1955 to 1962 
 Games2Jolly
 
 Games2Rule
 
 Gamesoft [Cardiff, Wales]
        2009 
 Gamestar [Activision's TM]
1983 to 1987 
 Gamesware
        1994 
 Gametech
        1976 
 Gametech [Japan]
 
 Gametek Systems
        1988 
 GameTek, Inc. [Miami Beach, FL, USA]
1988 to 1998 
 Gametoc
        1989 
 GameTou [Korea]
        2002 
 Gametron
        2005 
 Gametronix International, Inc.
        1983 
 GameTrust
        2017 
 Gamevil
2012 to 2019 
 Gamevillage
        2001 
 Gameworks
        1991 
 Gameworld
        1983 
 Gameworx Soft.
        1984 
 Gamex Amusements, Inc. [Canastota, NY, USA]
 
 Gamex Industries, Inc.
1974 to 1975 
 Gamey Industries
 
 Gaming Technologies
        2006 
 Gaminho
2017 to 2019 
 Gamini
 
 Gamma 2
 
 Gamma AWC
1995 to 1997 
 Gamma Cracking Force
1987 to 1988 
 Gamma Soft.
1984 to 2003 
 Gammation
        1983 
 Gammatron
        1982 
 Gamomat Distribution GmbH
 
 Gamtec [Taiwan]
        1993 
 Ganada Soft Co. [Korea]
1998 to 2003 
 Ganapati, Ltd.
 
 Gang of Swapper
        1990 
 Ganss, Clarke & Dengler [Saginaw, MI, USA]
        1889 
 Ganymede Systems
        1983 
 GAPS, Inc.
1995 to 2000 
 Garai, Géza
        1986 
 Garbage Performers
        1997 
 Garbi Soft
        1985 
 Garbuzov, B.V
        1991 
 Garcia, P.
        1984 
 Garde
        1987 
 Garden City Novelty Co. [Chicago, IL, USA]
1930 to 1937 
 Gargoyle Games
1984 to 1986 
 Garland Computing
1984 to 1986 
 Garlando [Italy]
        2004 
 Garrett & Co., C. [England]
        1897 
 Garson Vending Machine Co. [NJ, USA]
        1904 
 Gartmann [Hamburg, Germany]
1905 to 1934 
 Gartner, Michael
        1984 
 Garwood Metal Co. [Garwood, NJ, USA]
 
 Gasoline Soft. [France]
1986 to 1988 
 GASP
        1991 
 Gasser
        1898 
 Gastaudn S. [France]
        1899 
 GAT [Game-A-Tron] [New Britain, CT, USA]
1980 to 1983 
 Gate In Co.
        2000 
 Gathering of Developers
1998 to 2004 
 Gati Soft.
        1993 
 GATO Bt.
1989 to 1993 
 Gatter Mfg. Co. [Philadelphia, PA, USA]
        1932 
 Gatter Novelty Co. [Philadelphia, PA, USA]
1921 to 1927 
 Gauselmann, Paul [Espelkamp, Germany]
 
 Gauss-Service
 
 GAV Co.
        2005 
 Gawp!
        2000 
 Gaylord Mfg. Co. [Detroit, MI, USA]
 
 Gayton Games [Northampton, England]
1980 to 1981 
 Gayton Novelty Co. [Providence, RI, USA]
        1906 
 GBH
1990 to 1992 
 GBH Gold
        1990 
 GCC [General Computer Corp.]
1981 to 1984 
 GCE [General Consumer Electric]
1980 to 1983 
 GCTech Co., Ltd.
        2002 
 GDCo.
2016 to 2019 
 GDI, Inc. [Chicago, IL, USA]
        1981 
 GDS
1993 to 1994 
 GE
        1995 
 Ge De Industry Co.
1993 to 1994 
 GE Electric Co. [USA]
        1905 
 Gear Games
        2018 
 Gearbox Soft.
        2020 
 GEASA [Spain]
1986 to 1987 
 Gebelli Soft.
1981 to 1983 
 Gebruder Eckhardt Computer Soft.
        1985 
 Gecco
        1989 
 Gedasa [Madrid, Spain]
1972 to 1973 
 Gee Bee Mfg. Co.
 
 Geewa
        2017 
 Gegu
 
 Gehr, Earl
        1988 
 GEI [Grayhound Electronics, Inc.] [Toms River, NJ, USA]
1986 to 1992 
 GEI [Greyhound Electronics, Inc.] [Toms River, NJ, USA]
1982 to 1985 
 Geiger-Automatenbau
1979 to 1992 
 Geisha Tokyo, Inc.
2018 to 2019 
 Gem City Machine, Inc.
 
 Gem Electronics
        1988 
 Gem International Corp.
        1983 
 Gem Soft.
1982 to 1986 
 Gem vending Mfg. Co. [Cleveland, OH, USA]
 
 Gemini
        1994 
 Gemini Marketing, Ltd.
1982 to 1991 
 Gemini Mfg. Co., Ltd. [Glamorgan]
 
 Gemini Soft.
1982 to 1983 
 Gemtime
        1983 
 Gen Art, Co. Ltd.
 
 Genco, Inc. [Chicago, IL, USA]
1931 to 1958 
 Genera Games
2013 to 2019 
 General [Japan]
        1984 
 General Amusement Equipment Co.
 
 General Coin Products Corp. [Syracuse, NY, USA]
 
 General Coin-Automatic Co. [Burlingame, CA, USA]
        1935 
 General Engineering & Technologies Srl. [Italy]
 
 General Ent.
1995 to 1998 
 General Home Products [USA]
        1976 
 General Masters
        1983 
 General Merchandise Co. [Chicago, IL, USA]
        1931 
 General Metal Products
 
 General Novelty Mfg. Co. [Chicago, IL, USA]
        1933 
 General Processor
        1979 
 General Products [Japan]
1989 to 1990 
 General Products Co. [Sacramento, CA, USA]
        1944 
 General Quarters Soft.
        1990 
 General Sales & Products Corp. [Cohoes, NY, USA]
        1932 
 General Soft. [Japan]
        1994 
 General Support [Japan]
1992 to 1994 
 General Vending Machine Corp. [Chicago, IL, USA]
 
 General Vending Service Co., The [Baltimore, MD, USA]
        1930 
 General Wood Products Co. [Cedarburg, WI, USA]
        1932 
 Generation 5
1989 to 1992 
 Genesis
1985 to 1991 
 Genesis Project
1984 to 2018 
 Genesis Soft. [Japan]
        1984 
 Genias
1991 to 1993 
 Genius Sonority
 
 Genki Co., Ltd. [Japan]
1991 to 2002 
 GenSoft
        2012 
 Gent Mfg. Co., WM. [Cleveland, OH, USA]
1930 to 1931 
 Gent Vending Machine Co., William [Cleveland, OH, USA]
1927 to 1929 
 Gentry Soft.
        1983 
 Genus
 
 Geo-Grafix
1982 to 1983 
 Geo-Soft
        1990 
 Georg, C. [France]
1909 to 1913 
 Georgessoft
        1988 
 Georgia
        1996 
 Gepo Soft
        1986 
 Gerber & Glass [Chicago, IL, USA]
        1942 
 Gerlach Family Soft.
        1990 
 Gerlai, Gyorgy
        1987 
 Germ-Soft
 
 German Spreading Service
1985 to 1989 
 German USA-Team
        1987 
 Germs, The
1992 to 1994 
 Gerovac, Zeljko
        1985 
 Gerrie, Charlie
 
 Gerrie, Jim
2004 to 2014 
 Gerrish, Jim
1972 to 1975 
 Gessler Educational Soft.
1983 to 1984 
 Gestel
 
 Geuther
1993 to 1995 
 Geza Kos
        1987 
 GFA Systemtechnik GmbH
 
 GFI [Japan]
2006 to 2010 
 gHAAUG
 
 Gho-Team, The
1990 to 1992 
 Ghostlight, Ltd.
2008 to 2015 
 GI Games
1991 to 1992 
 GIB
        1984 
 Gibbons, J.P.
        1982 
 Giese & Co. [Berlin, Germany]
        1927 
 Giga [Japan]
1993 to 2017 
 Gigasoft
        1988 
 GIJ Checkmate
 
 Gilbert, Sidney C. [Jackson, OH, USA]
        1905 
 Giles & Simpkins, Inc. [Inglewood, CA, USA]
        1930 
 Gillespie Games Co. [Long Beach, CA, USA]
        1947 
 Gillett Novelty Co. [Detroit, MI, USA]
        1903 
 Gillman, Roger
1992 to 1994 
 Gillogly, James
        1970 
 Gilman Confectionery Co. [Boston, MS, USA]
        1888 
 Gilsoft
1982 to 1988 
 Gimmick House [Japan]
1992 to 1995 
 Ginza [Japan]
1973 to 2013 
 Giochi Preziosi [Italy]
2005 to 2013 
 Girdner Co., C.T. [Wastonville, CA, USA]
        1949 
 Giricz, Laszlo
 
 Girl Tech
        2005 
 Gismart
2015 to 2019 
 Gist Cabinet Co. [Kansas City, MO, USA]
        1933 
 Giuliano Lodola
1978 to 1981 
 Giunti Multimedia
1993 to 1994 
 GJMG Enterprises
        1987 
 GL
1981 to 1982 
 GL Intrattenimenti [Imola, BO, Italy]
 
 GL Programs
        1990 
 GL Technology, Inc.[USA]
1991 to 1996 
 Gladstone Electronics
        1981 
 Glak Associates [Providence, RI, USA]
        1982 
 Glams
1992 to 1997 
 Glasco [Muncie, IN, USA]
        1962 
 Glascock Bros. Mfg. Co. [Muncie, IN, USA]
 
 Glaser Bros. [Germany]
 
 Glaser, Th.C. [East Orange, NJ, USA]
        1935 
 Glaurung
        2014 
 Gleason & Co., J.F. [Chicago, IL, USA]
        1930 
 Gleason, Edgar [Onalaska, WI, USA]
        1897 
 GLEM
        1985 
 Glenco
        1990 
 Glendale
 
 Glentop
        1985 
 Glickman Co.
 
 GLL Soft.
        1990 
 Global A Ent., Inc.
2000 to 2003 
 Global Corp.
        1983 
 Global Ent. Products, LLC.
 
 Global Ent. Systems, Ltd.
        1994 
 Global Game [Korea]
        2004 
 Global Games
1996 to 2005 
 Global Games [Scotland]
1989 to 1991 
 Global Gaming
 
 Global Industries
 
 Global Media
        1991 
 Global Soft.
1985 to 1992 
 Global Soft. Network
1981 to 1982 
 Global Star Soft.
1997 to 2008 
 Global VR [San Jose, CA, USA]
2000 to 2014 
 Globe Amusement Machine Co.
1924 to 1926 
 Globe Game Tech. Co., Ltd. [Taiwan]
2012 to 2014 
 Globe Machine Co. [Dallas, TX, USA]
        1938 
 Globe Novelty Co. [Chicago, IL, USA]
        1936 
 Globe Vending Co. [Chicago, IL, USA]
        1907 
 Glodia Co., Ltd. [Japan]
1989 to 1995 
 Gloom
1990 to 1992 
 Gloria [Japan]
        1995 
 Glorysun [Russia]
2002 to 2004 
 Gluk Video
1990 to 1999 
 GM Electronic Co., Ltd. [Korea]
        2005 
 GM Laboratories
        1935 
 GM Shoji
1981 to 1986 
 GMA
        1986 
 GMB [Games Manufacturing Brussel] [Brussels, Belgium]
 
 GMF
1996 to 1999 
 GMF Programs
        1990 
 GMO GP, Inc.
2017 to 2019 
 GMS Co., Ltd. [Game Master System] [Taipei, Taiwan]
1996 to 2007 
 GN Soft. [Japan]
2006 to 2007 
 GNAT Computers
        1980 
 Gnomic
1984 to 1985 
 Gnomonica
        1984 
 GO 1
        1992 
 Go Dax
 
 GO! Media Holdings, Ltd. [US Gold div.]
1986 to 1993 
 Go-Go Games
 
 GOAT Store Publishing
2003 to 2009 
 Gobel, Friedrich [Cranzahl i. Erzgeb., Germany, USA]
 
 Goblin Destroyer, The
        1989 
 Godax
        1988 
 Godfreys Soft.
        1990 
 Godwin, Nick
        1984 
 Goebels, Heinrich [Cologne, Germany]
        1934 
 Goegebeur, A. [Choisy-Le-Roi, France]
 
 Goetz, Mike
 
 Goffe, Theodore N. [Springfield, MO, USA]
1903 to 1904 
 Gohin, Antoine
        2016 
 Gold Bond Operating Co. [Newark, NJ, USA]
        1927 
 Gold Cats
        1992 
 Gold Cats Project
1990 to 1996 
 Gold Club d.o.o. [Sezana, Slovenia]
2008 to 2009 
 Gold Disk
1989 to 1991 
 Gold Medal Products Co. [Cincinnati, OH, USA]
        1967 
 Gold Olympia
        2006 
 Gold Record Soft.
        1984 
 Goldau Softwareproduction, Andreas
 
 Golden Bell Ent.
 
 Golden China
 
 Golden Classics
        1993 
 Golden Dawn
1994 to 1996 
 Golden Dragon Amusement Co. [ZhongShan, Guangdong, CHINA]
2009 to 2010 
 Golden Games
1985 to 1998 
 Golden Goblins
1989 to 1990 
 Golden Leon [Russia]
        1999 
 Golden Nugget Casino
1955 to 1957 
 Goldengame [Asia]
 
 Goldfire
        1991 
 Goldmark Systems
1986 to 1991 
 GoldStar [Korea]
1983 to 1994 
 Goldstar Soft. [London, England]
        1984 
 Golem, Ltd.
1982 to 1984 
 Golf Unlimited, Inc. [Denver, CO, USA]
        1952 
 Golfo Mfg. Co.
 
 Goliath
1982 to 1983 
 Goliath Games
1988 to 1990 
 Golubtsov, Aleksey
        2018 
 Gonzalez, Cristian
        2016 
 Gonzo Games
1990 to 1992 
 Goober Vending Co. [Chicago, IL, USA]
        1910 
 Good Deal Games
2002 to 2014 
 Good Electronics [Korea]
2003 to 2004 
 Good House
        1995 
 Good Housekeeping Soft.
        1983 
 Good Job Games
2017 to 2019 
 Good Mega Corp. [Japan]
        2000 
 Goodbody, John [Rochester, NY, USA]
        1931 
 Goodman Ent.
        2010 
 GoodTimes Ent.
        1992 
 Google
2000 to 2016 
 Gorden Musical Ind. [Chicago, IL, USA]
        1968 
 Gore Aviation, Inc.
        1987 
 Gore Vending Machine Co.
 
 Gorgor & Menace
        1988 
 Goro [Japan]
        1991 
 Gorretta & Co., Andrew [Cleveland, OH, USA]
        1934 
 Gorski, Mike
 
 GOS [Guild of Swappers]
        1989 
 Gotham Games
2002 to 2004 
 Gothenburg Computer Cracking
        1986 
 Gothic Designs
1992 to 1994 
 Goto Soft.
1998 to 2000 
 Gottlieb & Co., D. [Chicago, IL, USA]
1928 to 1996 
 Gouby, R. [France]
        1935 
 Gouder Co.
        1993 
 Goudey Gum Co. [Boston, MA, USA]
 
 Gourd Production [Japan]
        1994 
 Gowin [Taiwan]
2000 to 2001 
 Gozeur
 
 GPA
1987 to 2009 
 GPi [Game Plan, Inc.] [IL, USA]
1978 to 1985 
 GPS Co., Ltd. [Game Power System] [Taiwan]
1995 to 2006 
 GR Edizioni S.r.l. [Italy]
1995 to 1999 
 GR Games Srl.
 
 GR8 Soft.
2009 to 2011 
 Gra-Pro [Japan]
 
 Gra2 Project Team
1993 to 1995 
 Grachev, Denis
        2019 
 Gradiente [Brazil]
1983 to 1997 
 Graffiti Ent., LLC
2006 to 2009 
 Graftex Soft.
        1989 
 Graftgold
1985 to 1989 
 Graham Co., L.C. [Albany, NY, USA]
1926 to 1927 
 Graig Co.
 
 Gram & Goodie & Hibbard
        1968 
 Gram Games, ltd.
2014 to 2019 
 Granada [USA]
1977 to 1978 
 Granada Publishing
1983 to 1984 
 Grand National Sales Co. [Chicago, IL, USA]
1939 to 1941 
 Grand Products, Inc. [Elk Grove Village, IL, USA]
1986 to 1990 
 Grand Rapids Slot Machine Co. [Grand Rapids, MI, USA]
        1894 
 Grandbois Co., U.G. [Kalamazoo, MI, USA]
        1927 
 Grandex Data
        1984 
 Grandslam Ent., Ltd.
1985 to 1995 
 Grandslam Video, Ltd.
1992 to 1994 
 Grandstand
1977 to 1992 
 Grant Searle
 
 Grant Soft.
 
 Granzella, Inc. [Japan]
        2018 
 Graphic Techno EW [Japan]
1984 to 1985 
 Graphix Zone
        1997 
 Graphtext 128
        1987 
 Grass Roots Soft.
 
 Grasset, I. [Marseille, France]
        1898 
 Gravel Studios Games
        2016 
 Gravelais [Saint-Étienne, France]
        1930 
 Graves, Edward J. [New York, NY, USA]
        1889 
 Graves, James R. [Mount Pleasant, MI, USA]
        1893 
 Gravesend Home Computers
        1983 
 Gravity Interactive, Inc.
        2019 
 Gravity Vending Machine Co. [Chicago, IL, USA]
1903 to 1907 
 Gray Telephone Pay Station Co. [Hartford, CN, USA]
        1912 
 Gray, Steve
        2012 
 Graycoach Amusement Devices, Inc. [Pennsauken, NJ, USA]
        1953 
 Grayzor
        1990 
 Great [Japan]
1986 to 1995 
 Great American Automatic Vending Machine Co. [Hoboken, NJ, USA]
        1904 
 Great Bear Technology, Inc.
        1994 
 Great Corp.
        1996 
 Great Eastern Novelty Co.
        1897 
 Great Effects Development
        1996 
 Great Game Products
        1987 
 Great Lakes Coin Machine Co. [Toledo, OH, USA]
 
 Great Northern Chair Co.
 
 Great States Mfg. Co. [Kansas City, MO, USA]
1932 to 1939 
 Great Syntheman, The
 
 Great Wave Soft.
        1986 
 Great Western Products Co. [Kansas City, MO, USA]
        1927 
 Greaves, David
        1983 
 Green & Broad [New York, NY, USA]
        1839 
 Green [Korea]
        2002 
 Green Pig Production
        1995 
 Green Soft
1988 to 1989 
 Green Valley Publishing [ShareData div.]
1985 to 1986 
 Green, Bruce [High Holborn, England]
        1889 
 Green, Sanford [Lewiston, MT, USA]
        1898 
 Greenblatt, Richard
        1966 
 Greener Grass
        2017 
 Greenup, Ashley
1987 to 1992 
 Greenwood Ent. Soft. GmbH
        1996 
 Grees & Chany
1986 to 1992 
 Gremlin Graphics Soft., Ltd.
1984 to 1999 
 Gremlin Ind, Inc. [San Diego, CA, USA]
1975 to 1988 
 Gremlin Interactive
1994 to 2000 
 Gresoy [Saint-Étienne, France]
        1908 
 Grewe Computertechnik
1986 to 1987 
 Grewer, Edward C. [Scranton, PA, USA]
        1901 
 Grey Box
        2017 
 Greye Soft., J.K. [UK]
        1981 
 Greyhound Soft.
        1988 
 GreyStone Technology
1994 to 2001 
 GRiD Systems Corp.
1982 to 1984 
 Grier, Alan
        1986 
 Griffin Aerotech, LLC
2017 to 2020 
 Griffin Soft.
        1983 
 Griffin Vending Co.
        1911 
 Griffon [Japan]
        1994 
 Grilo, Jaime
2017 to 2019 
 Grisewood & Dempsey
        1984 
 Griswold & Co., Milton O. [Rock Island, IL, USA]
1889 to 1902 
 Griswold Mfg. Co. [Rock Island, IL, USA]
1905 to 1922 
 Grocer [Japan]
1992 to 1995 
 Grocery Co., August [VA, USA]
        1901 
 Grochow, Jerrold
        1970 
 Groetchen Tool & Mfg. Co. [Chicago, IL, USA]
1930 to 1950 
 Grok Dev., Ltd.
        2002 
 Grolier Publishing
1984 to 1999 
 Gromann, Daniel
2004 to 2006 
 Gross & Co., Inc., Rube [Seattle, WA, USA]
1934 to 1935 
 Grosvenor Soft.
1983 to 1990 
 Groupe Tests
        1985 
 Grove Bros. [Philadelphia, PA, USA]
        1893 
 Grow, Jason
        2011 
 Grulet & Co., E. [Migennes, Yonne, France]
 
 Grund, L.G. [Philadelphia, PA, USA]
        1903 
 Grundig
        1979 
 Grundy Business Systems, Ltd.
        1981 
 Grupo Creators Union [Spain]
1989 to 1991 
 Grupo de Trabajo Soft.
1985 to 1987 
 Grupo Editorial SYGRAN [Spain]
1986 to 1989 
 Grupo SITSA
        1985 
 Gruppo Editoriale Fabbri Bompiani Sonzogno ETAS
        1984 
 Gruppo Editoriale Jackson
1987 to 1989 
 Gruss, G.
        1930 
 Grussu, Alessandro
2012 to 2016 
 Gryshcenko, Dmytro
        1996 
 GS Alliance
        1990 
 GS<>IRC
        1992 
 GSN Soft.
        1987 
 GSoft
        1983 
 GSP
        2008 
 GST Video
1982 to 1983 
 GT Enterprise, Inc.
        1983 
 GT Interactive
1992 to 2004 
 GTAC
 
 GTC Inc.
1991 to 1992 
 GTE Ent.
        1994 
 GTech Corp. [Providence, RI, USA]
2002 to 2009 
 GTI [Game Technology, Inc]
1983 to 1984 
 GTI Soft.
1988 to 1990 
 GTM
 
 GTM Computers
 
 GTS Editorial
1984 to 1987 
 Guan Shing
 
 Guangzhou Li Cheng [China]
        2002 
 Guaranteed Products Co.
 
 Guardian Soft.
        1984 
 Gugi, Zoltán
 
 Guiberson Co. [Dallas, TX, USA]
 
 Guilbaud Freres [Paris, France]
        1920 
 Guild Publishing
        1984 
 Guild, The
1980 to 1995 
 Guildhall Leisure Services, Ltd.
1989 to 1997 
 Guilty [Japan]
1996 to 2004 
 Gulliver Ritchie Associates
        1994 
 Gum & Sweetmeat Co. [Whiteplains, NY, USA]
        1904 
 Gum-A-Mib Co. [Milwaukee, WI, USA]
 
 Gumatic Corp. [St. Louis, MO, USA]
        1938 
 Gumboot Soft.
        1983 
 Gundeck
        1991 
 Gunder, Claude A. [Bloomfield, IN, USA]
        1903 
 GungHo Works, Inc.
        2009 
 Gust [Japan]
1994 to 2014 
 Gustafsson, Andreas
        2016 
 Gustin Fils Aïné [Deville, France]
        1900 
 Guthrie, Chris
        1986 
 GV Alfa Soft.
 
 GW De Melven [UK]
        1900 
 GWK
        1980 
 Gyagon
 
 Gyangy, Sandor
 
 Gym Cycle Amuse Co. [Nashville, TN, USA]
        1956 
 Gyo [Japan]
 
 Gyorffy, Endre
        1989 
 Gyousei
1989 to 1990 
 GYY [Taiwan]
 
 Gävle Datapedagogiska Centrum
        1989