| General Tire | Fort Mill | 1915 |
| Geni.com | Califórnia | junho 2006 |
| Gensler | São Francisco | 1965 |
| Genzyme | Cambridge | 1981 |
| Getty Oil | East Meadow | 1964 |
| Giant Sparrow | Santa Mônica | 22 de março de 2009 |
| Gibson | Tennessee, Nashville | 1902 |
| Gillette | Boston | 28 de setembro de 1901 |
| GlobalFoundries | Malta | 7 de outubro de 2008 |
| Gloria Jean's Coffees | Castle Hill | 1979 |
| Glu Mobile | São Francisco | 2005 |
| GMT Games | Hanford | 1990 |
| GoDaddy | Tempe | 1997 |
| Gold's Gym | Dallas | 1965 |
| Golden Boy Promotions | Los Angeles | 2002 |
| Goodyear | Akron | 29 de agosto de 1898 |
| Google driverless car | Mountain View | 13 de dezembro de 2016 |
| Google Nest | Palo Alto | 2010 |
| GoPro | San Mateo | 2002 |
| Grado Labs | Brooklyn | 1953 |
| Graham Holdings Company | Washington, D.C. | 1889 |
| Gremlin Industries | San Diego | 1973 |
| Grubhub | Chicago | 2004 |
| Grumman Aircraft Engineering Corporation | Bethpage | 6 de dezembro de 1929 |
| Grupo Omnicom | Nova Iorque | 1986 |
| Guardian Industries | Auburn Hills | 1932 |
| Hallmark Cards | Kansas City | 1907 |
| Hamilton Watch Company | Bienna, Lancaster | 1892 |
| Handspring | Mountain View | junho 1998 |
| Hanesbrands | Winston-Salem | 1 de janeiro de 2000 |
| Hanna-Barbera | Los Angeles, Sherman Oaks Galleria | 1957 |
| Harman Kardon | Stamford | 1953 |
| Harrah's Entertainment | Las Vegas, Paradise | 1937 |
| Hennessey Performance Engineering | Houston | 1992 |
| Henry Ford Company | Detroit | 1901 |
| Herman Miller | Zeeland | 1923 |
| Heroku | São Francisco, Califórnia | 2007 |
| Hess Corporation | Nova Iorque | 1919 |
| Hill & Knowlton | Nova Iorque | 1927 |
| Hill's Pet Nutrition, Inc. | Topeka | 1907 |
| Holiday Inn Express | — | 1991 |
| Honeywell | Charlotte | 23 de abril de 1885 |
| HubSpot | Cambridge | 2006 |
| Huntington Bancshares | Columbus | 1866 |
| Huntington Ingalls Industries | Newport News | 31 de março de 2011 |
| Huntsman Corporation | Salt Lake City | 1982 |
| Hupmobile | Detroit | 1909 |
| Hurley International | Costa Mesa | 1998 |