| The Gillette Company | — | 28 de setembro de 1901 |
| The Hartford | Hartford, Connecticut | 1810 |
| The Jim Henson Company | Hollywood | 1958 |
| The Kennedy/Marshall Company | Santa Mônica | 1992 |
| The New York Times Company | New York Times Building, Nova Iorque | 18 de setembro de 1851 |
| The Vanguard Group | Malvern | 1 de maio de 1975 |
| Theranos | Palo Alto | 2003 |
| TIBCO Software | Palo Alto | 1997 |
| TJX Companies | Framingham | 1956 |
| Total Nonstop Action Wrestling | Nashville | 4 de janeiro de 2024 |
| Transmeta | Santa Clara | 1995 |
| Tripadvisor | Needham | 14 de fevereiro de 2000 |
| Truist Financial | Charlotte | 1872 |
| TRW Automotive | — | — |
| TSR | Lake Geneva | 1973 |
| Turner Broadcasting System | CNN Center | 1970 |
| Two Steps From Hell | Los Angeles | 2006 |
| U.S. Cellular | Chicago | 1983 |
| Ubiquiti | Nova Iorque | outubro 2003 |
| Under Armour | Baltimore | 1996 |
| Underwood Typewriter Company | Nova Iorque | 1875 |
| Union Carbide | Danbury | 1957 |
| United Airlines Holdings | Chicago | 30 de dezembro de 1968 |
| United Press International | Washington, D.C. | 1907 |
| United Space Alliance | Houston | agosto 1995 |
| United States Steel | Pittsburgh | 2001 |
| United Technologies Corporation | Hartford | 1929 |
| URS Corporation | Transamerica Pyramid, São Francisco | 1951 |
| USRobotics | Schaumburg | 1976 |
| Valero Energy | — | 1980 |
| Verizon Communications | Nova Iorque | 16 de junho de 2000 |
| Walmart | Bentonville | 31 de outubro de 1969 |
| Warner Bros. Discovery | Nova Iorque | 8 de abril de 2022 |
| Warner Media Group | Delaware, Nova Iorque | 2016 |
| WatchGuard | Seattle | fevereiro 1996 |
| Waters Corporation | Milford | 1958 |
| Weber-Stephen Products | Palatine | 8 de maio de 1893 |
| Wells Fargo | São Francisco | 18 de março de 1852 |
| Western Electric | Nova Iorque | 1869 |
| Westinghouse Electric Company | Cranberry Township | 1999 |
| Weyerhaeuser | Seattle, Federal Way | 1900 |
| Whole Foods Market | Austin | 20 de setembro de 1980 |
| Wildfire Games | Estados Unidos | 2002 |
| Willis Towers Watson | Londres | 2016 |
| Winchester Repeating Arms Company | New Haven | 1866 |
| Wind River Systems | Alameda, Califórnia | 1981 |
| Wolfspeed | Durham | 1987 |
| World Series of Fighting | Las Vegas Valley | 2012 |