| Monster Inc. | Brisbane | 1978 |
| Morningstar, Inc. | Chicago | 1984 |
| Motorola Solutions | Chicago | 4 de janeiro de 2011 |
| MUFG Union Bank | São Francisco | 1864 |
| Mutual Film Corporation | Edendale | julho 1906 |
| México. | Roma, San Clemente | 1999 |
| Narus | Sunnyvale | 1997 |
| National Association for Stock Car Auto Racing | Charlotte | 1948 |
| National Geographic Partners | Nova Iorque | 9 de setembro de 2015 |
| Nationwide Mutual Insurance Company | One Nationwide Plaza | 1926 |
| Navteq | Chicago | 1985 |
| NCR | Atlanta, Augsburgo | 1884 |
| Neon | Nova Iorque | 2017 |
| Netlify | São Francisco | 27 de janeiro de 2014 |
| NetSuite | Austin | 1998 |
| New Balance | Boston | 1906 |
| New Holland | Itália | 1891 |
| New York Shipbuilding Corporation | Camden | 1899 |
| Newmont Mining Corporation | Denver | 1916 |
| News Corp | Nova Iorque | 28 de junho de 2013 |
| NexGen | Milpitas | 1986 |
| Nexstar Media Group | Irving | 17 de junho de 1996 |
| NextEra Energy | Juno Beach | 1925 |
| Nik Software | San Diego | 1995 |
| Noble Energy | Houston | 1932 |
| Nordstrom | Seattle | 1901 |
| North American Arms | Provo | 1972 |
| Northrop Corporation | Hawthorne | 1939 |
| Norwegian Cruise Line | Condado de Miami-Dade | 1966 |
| Nutanix | São José | 2009 |
| O'Reilly Auto Parts | Springfield | 1957 |
| Oberheim Electronics | Oakland | 1969 |
| Occidental Petroleum | Houston | 1920 |
| Ocean Spray | Lakeville | 1930 |
| OceanGate | Everett | 2009 |
| OfficeMax | — | 1988 |
| Ohio Valley Wrestling | Louisville | 1997 |
| On2 Technologies | Nova Iorque | 1999 |
| ONErpm | Brooklyn | 2010 |
| OpenTable | São Francisco | 1998 |
| Organon & Co. | Oss | 1923 |
| Orion Pictures | Los Angeles | janeiro 1978 |
| Osborne Computer Corporation | Hayward | 27 de setembro de 1979 |
| Overbrook Entertainment | Beverly Hills, Los Angeles | 1998 |
| Overland Automobile | Indianápolis | 1903 |
| Owens Corning | Toledo | 1938 |
| P.A. Semi | Santa Clara | 2003 |
| Palantir Technologies | Miami | 2003 |