| Todd-AO | Hollywood | 1953 |
| Tommy Hilfiger | Nueva York, Ámsterdam | 1985 |
| Torneo de Washington | — | 1969 |
| Tower Records | Sacramento | 1960 |
| Tractor Supply Company | Brentwood | 1938 |
| Trident Microsystems | Santa Clara | 1987 |
| Trimble | Westminster | 1978 |
| Trinity Broadcasting Network | Costa Mesa | 1973 |
| Tripadvisor | Needham | 14 de febrero de 2000 |
| Trump Entertainment Resorts | Hard Rock Hotel & Casino Atlantic City | 1995 |
| Trumpet Records | — | 1951 |
| TRW Inc. | Euclid | 1901 |
| Tseng Labs | Pensilvania | 1983 |
| Tumi Inc. | Edison | 1975 |
| Turner Construction | Nueva York | 1902 |
| Turner Entertainment | Estados Unidos | 4 de agosto de 1986 |
| Turnitin | Oakland | 1997 |
| Twilio | San Francisco | 2008 |
| Tyson Foods | Springdale | 1935 |
| U-Haul | Phoenix | 1945 |
| U.S. Bancorp | Minneapolis | 1850 |
| Uber | San Francisco | marzo 2009 |
| Ubiquiti | Nueva York | octubre 2003 |
| UGG | Goleta | 1978 |
| Ulta Beauty | Bolingbrook | 1990 |
| Undead Labs | Seattle | 23 de noviembre de 2009 |
| Union Carbide | Danbury | 1957 |
| United Fruit Company | Nueva Orleans | 1899 |
| United Parcel Service | Sandy Springs | 28 de agosto de 1907 |
| United Press International | Washington D. C. | 1907 |
| United Space Alliance | Houston | agosto 1995 |
| United States Playing Card Company | Erlanger | 1867 |
| UnitedHealth Group | Minnetonka | 1977 |
| Universidad de la Singularidad | Mountain View | 2010 |
| US Foods | Rosemont | 1 de agosto de 1989 |
| USAA | — | 1922 |
| Valero Energy | — | 1980 |
| VF Corporation | Denver, Greensboro | 1899 |
| Viacom | One Astor Plaza | 31 de diciembre de 2005 |
| Viacom Enterprises | One Astor Plaza | 3 de mayo de 1971 |
| Viagogo | Londres | 2006 |
| ViaSat | Carlsbad | 1986 |
| Victor Talking Machine Company | Camden | 1901 |
| Victoria's Secret | Reynoldsburg | 12 de junio de 1977 |
| Victory Motorcycles | Minneapolis | 1997 |
| Viega | Attendorn | 1899 |
| ViewSonic | Brea | 1987 |
| Viki | California | 2007 |