| BBVA Argentina | Buenos Aires | 1996 |
| Be Incorporated | Menlo Park | 1990 |
| BEA Systems | São José | 1995 |
| Beatport | — | 2004 |
| Beckman Coulter | Krefeld, Brea | 1935 |
| Bed Bath & Beyond, Inc. | Midvale | 2023 |
| Belkin International, Inc. | Los Angeles | 1983 |
| Bellator MMA | Newport Beach | 2008 |
| BellSouth | Atlanta | 1984 |
| Ben & Jerry's | South Burlington | 1978 |
| Bentley Systems | Exton | 1984 |
| Berkshire Hathaway | Omaha | 1839 |
| Bethlehem Steel | Bethlehem | 1857 |
| Bigelow Aerospace | North Las Vegas | 1999 |
| Bio-Rad Laboratories | Hercules | 1952 |
| Bitly | Nova Iorque | 2008 |
| Bitstream Inc. | Cambridge, Marlborough | 1981 |
| Black Diamond Equipment | Holladay | 1 de dezembro de 1989 |
| BlackRock | Nova Iorque | 1988 |
| Blackstone Inc. | Nova Iorque | 1985 |
| Blockbuster Inc. | Dallas | 1985 |
| Bloomberg | Nova Iorque, Bloomberg Tower | 1 de outubro de 1981 |
| Blue Bell Creameries | Brenham | 1907 |
| BlueStacks | — | 2011 |
| Blur Studio | Venice | 1995 |
| Bobcat Company | West Fargo | 1947 |
| Booz Allen Hamilton | Tysons Corner | 1914 |
| Borders Group | Ann Arbor | 1971 |
| Bose Corporation | Framingham | 1964 |
| Box Office Mojo | — | 1999 |
| Briggs & Stratton | Milwaukee | 1908 |
| Brightstar Corporation | Miami | 1997 |
| Brink's | Condado de Henrico | 1859 |
| Broadcom | Irvine | agosto 1991 |
| Broadcom | Palo Alto | 1961 |
| Brocade Communications Systems | São José | 1995 |
| Brooklyn–Manhattan Transit Corporation | Brooklyn | 1923 |
| Budd Company | Filadélfia | 1912 |
| Budget | Chicago, Parsippany-Troy Hills | 1958 |
| Bulova | Nova Iorque | 1875 |
| Bunge | Hamilton, White Plains | 1818 |
| Burlington | Florence | 1972 |
| Bushmaster Firearms International | Madison | 1973 |
| BuzzFeed | Nova Iorque, Nova Iorque | 2006 |
| C.F. Martin & Company | Nazareth | 1833 |
| Cadence Design Systems | São José | 1988 |
| Canadian Solar | — | 2001 |
| Capelli Sport | Nova Iorque | 2011 |