| SoundHound | Santa Clara | September 2005 |
| Southern Company | Atlanta | 1945 |
| Southwest Airlines | Dallas | 1967 |
| Splunk Inc. | San Francisco | 2004 |
| Sprint Corporation | Overland Park | 1899 |
| Sprouts Farmers Market | Phoenix | July 2002 |
| Staples Inc. | Framingham | 1986 |
| Strategy | Tysons | 1989 |
| STX Entertainment | Burbank | March 10, 2014 |
| Sun Microsystems | Santa Clara | February 24, 1982 |
| SurveyMonkey | San Mateo | 1999 |
| T. Rowe Price | Baltimore | 1937 |
| TD Ameritrade | Omaha | 1971 |
| Teledyne Technologies | Thousand Oaks | 1960 |
| Terex | Westport | 1925 |
| Tesoro Corporation | — | 1968 |
| The Cheesecake Factory | Calabasas | 1978 |
| The Cigna Group | Bloomfield | 1982 |
| The Hershey Company | Hershey | 1894 |
| The Hertz Corporation | Estero | 1918 |
| The Home Depot | Cobb County | 1978 |
| The McClatchy Company | Sacramento | 1857 |
| The Mosaic Company | Plymouth | 2004 |
| The Travelers Companies | New York City | 1853 |
| The Walt Disney Company | Burbank | October 16, 1923 |
| Thermo Fisher Scientific Inc. | Waltham | 2006 |
| THQ | Agoura Hills, California | 1990 |
| Tibco Software | Palo Alto | 1997 |
| Tiffany & Co. | New York City | 1837 |
| Time Warner Cable | New York City | 1989 |
| Toro | Bloomington | 1914 |
| Trimble | Westminster | 1978 |
| Tripadvisor | Needham | February 14, 2000 |
| Twilio | San Francisco | 2008 |
| U.S. Cellular | Chicago | 1983 |
| Uber | San Francisco | March 2009 |
| Ubiquiti | New York City | October 2003 |
| Ulta Beauty | Bolingbrook | 1990 |
| Under Armour | Baltimore | 1996 |
| United Airlines | Chicago, Willis Tower | April 6, 1926 |
| United Airlines Holdings | Chicago | December 30, 1968 |
| United Natural Foods | Providence | 1996 |
| United Technologies Corporation | Hartford | 1929 |
| Valvoline | Lexington | September 6, 1866 |
| Vertex Pharmaceuticals | Boston | 1989 |
| Vertiv | Westerville | 1965 |
| Viacom | One Astor Plaza | December 31, 2005 |
| Viasat | Carlsbad | 1986 |