| Unimation | — | 1962 |
| Union Carbide | Danbury | 1957 |
| Union Iron Works | São Francisco | 1849 |
| Unisys | Blue Bell | 1987 |
| United Airlines Holdings | Chicago | 30 de dezembro de 1968 |
| United Fruit Company | Nova Orleães | 1899 |
| United Natural Foods | Providence | 1996 |
| United Press International | Washington, D.C. | 1907 |
| United Space Alliance | Houston | agosto 1995 |
| United States Postal Service | L'Enfant Plaza | 1 de julho de 1971 |
| United States Rubber Company | Naugatuck | 1892 |
| United States Steel | Pittsburgh | 2001 |
| United Technologies Corporation | Hartford | 1929 |
| Unocal Corporation | Los Angeles | 1890 |
| Uproxx | Culver City | 2008 |
| URS Corporation | Transamerica Pyramid, São Francisco | 1951 |
| USAA | — | 1922 |
| USRobotics | Schaumburg | 1976 |
| Valero Energy | — | 1980 |
| Valid | Stamford | 1795 |
| Vector Aeromotive | — | 1978 |
| Veeva Systems | Pleasanton | 2007 |
| Verifone | São José, Coral Springs | 1981 |
| Verizon Communications | Nova Iorque | 16 de junho de 2000 |
| Viacom | One Astor Plaza | 3 de maio de 1971 |
| ViaSat | Carlsbad | 1986 |
| Vic Firth | Boston | 1963 |
| Victor Talking Machine Company | Camden | 1901 |
| Victoria's Secret | Reynoldsburg | 12 de junho de 1977 |
| Victoria’s Secret Fashion Show | — | 1995 |
| Victory Motorcycles | Minneapolis | 1997 |
| Viega | Attendorn | 1899 |
| Vimeo | Nova Iorque | 14 de novembro de 2004 |
| Vivendi Games | Los Angeles | 21 de fevereiro de 1996 |
| Waco Aircraft Company | Troy | 1919 |
| Waldorf Astoria Hotels & Resorts | — | 2006 |
| Walmart | Bentonville | 31 de outubro de 1969 |
| Warner Bros. Cartoons | Burbank, Los Angeles | 10 de novembro de 1926 |
| Warner Bros. Discovery | Nova Iorque | 8 de abril de 2022 |
| Warner Bros. Records Inc. | Nova Iorque | 19 de março de 1958 |
| Warner Home Video | Burbank | 2023 |
| Warner Media Group | Delaware, Nova Iorque | 2016 |
| WatchGuard | Seattle | fevereiro 1996 |
| Waterman | Paris | 1883 |
| Waters Corporation | Milford | 1958 |
| Weatherby, Inc. | Sheridan, El Paso de Robles | 1945 |
| Weber-Stephen Products | Palatine | 8 de maio de 1893 |
| Webster Bank | Stamford | 1935 |