| Sonos | Santa Bárbara | 2002 |
| SoundHound | Santa Clara | setembro 2005 |
| Southern Company | Atlanta | 1945 |
| Spanx | Atlanta | 2000 |
| Speedway Motorsports | Concord | 1959 |
| Standard Oil Company | Ohio, Cleveland, Nova Iorque | 1890 |
| State Street Corporation | Boston | 1792 |
| Steinway Musical Instruments | Waltham | 1995 |
| Stellantis North America | Chrysler Headquarters and Technology Center | 28 de abril de 2009 |
| Storage Technology Corporation | Louisville | 1969 |
| Stüssy, Inc. | Irvine | 1980 |
| Substack | — | 29 de novembro de 2017 |
| Subway | Milford | 28 de agosto de 1965 |
| Sunoco | Dallas | 1886 |
| Supreme | Nova Iorque | abril 1994 |
| Swift Engineering | San Clemente | 1983 |
| Synaptics | Santa Clara | 1986 |
| Synopsys | Mountain View | 1986 |
| T-Mobile US | Bellevue | 2001 |
| T. Rowe Price | Baltimore | 1937 |
| Tenneco | Lake Forest | 1930 |
| TerraPower | Bellevue | 2008 |
| Tesla | Austin | 1 de julho de 2003 |
| Texaco | San Ramon | 1901 |
| The Hartford | Hartford, Connecticut | 1810 |
| The Kennedy/Marshall Company | Santa Mônica | 1992 |
| The New York Times Company | New York Times Building, Nova Iorque | 18 de setembro de 1851 |
| The Travelers Companies | Nova Iorque | 1853 |
| Theranos | Palo Alto | 2003 |
| TIBCO Software | Palo Alto | 1997 |
| Time Inc. | Nova Iorque | 28 de novembro de 1922 |
| TiVo Corporation | Santa Clara, São José | 1983 |
| TJX Companies | Framingham | 1956 |
| TopCoder | São Francisco | 2001 |
| Toro | Bloomington | 1914 |
| Transmeta | Santa Clara | 1995 |
| Trident Microsystems | Santa Clara | 1987 |
| Two Steps From Hell | Los Angeles | 2006 |
| Uber | São Francisco | março 2009 |
| Ubiquiti | Nova Iorque | outubro 2003 |
| Ultimate Fighting Championship | Nevada, Las Vegas | 1993 |
| Union Carbide | Danbury | 1957 |
| United Space Alliance | Houston | agosto 1995 |
| UnitedHealth Group | Minnetonka | 1977 |
| URS Corporation | Transamerica Pyramid, São Francisco | 1951 |
| Verbatim | Charlotte | 28 de abril de 1969 |
| Veritas Software | Mountain View | 1989 |
| Vertiv | Westerville | 1965 |