| Mead Johnson | Glenview | 1905 |
| Merrill Lynch | Nova Iorque | 6 de janeiro de 1914 |
| Midway Games | Chicago | 1988 |
| Mistwalker | Tóquio, Japão, Honolulu | 2004 |
| Modulus Graphite | Richmond | 1978 |
| Monster Inc. | Brisbane | 1978 |
| Motorola Solutions | Chicago | 4 de janeiro de 2011 |
| Music Man | San Luis Obispo | 1971 |
| National Geographic Partners | Nova Iorque | 9 de setembro de 2015 |
| Navteq | Chicago | 1985 |
| NBCUniversal | GE Building | 1926 |
| NCR | Atlanta, Augsburgo | 1884 |
| NetSuite | Austin | 1998 |
| Network Solutions | Herndon | 1979 |
| New Holland | Itália | 1891 |
| News Corp | Nova Iorque | 28 de junho de 2013 |
| NexGen | Milpitas | 1986 |
| Noble Energy | Houston | 1932 |
| Norwegian Cruise Line | Condado de Miami-Dade | 1966 |
| Nutanix | São José | 2009 |
| Ohio Valley Wrestling | Louisville | 1997 |
| One Race Films | Studio City | 1995 |
| Open AI | São Francisco | 11 de dezembro de 2015 |
| Palantir Technologies | Miami | 2003 |
| Panoz | Hoschton | 1989 |
| Parallels | Renton | 1999 |
| Parametric Technology Corporation | Boston | maio 1985 |
| Paramount Global | Nova Iorque, One Astor Plaza | 4 de dezembro de 2019 |
| Paramount+ | Nova Iorque | 28 de outubro de 2014 |
| Patagonia (marca de roupa) | Ventura | 1973 |
| Peavey | Meridian | 1965 |
| Peet's Coffee | Emeryville | 1966 |
| Phillips 66 | Westchase | 1 de maio de 2012 |
| PNC Financial Services | One PNC Plaza | 1982 |
| Polaris Industries | Medina | 1954 |
| Pony Express | — | 1860 |
| Precision Manuals Development Group | Alexandria | 1997 |
| Procter & Gamble | Ohio, Cincinnati | 31 de outubro de 1837 |
| Providence Equity Partners | 50 Kennedy Plaza | 1989 |
| Prudential Financial | Prudential Headquarters | 1875 |
| Qlik | King of Prussia | 1993 |
| Qorvo | Greensboro | 2015 |
| Quaker Oats | Chicago | 1877 |
| Quiksilver | Huntington Beach | 1969 |
| R. J. Reynolds Tobacco Company | Winston-Salem | 1874 |
| Ralph Lauren (marca) | Nova Iorque | 1967 |
| Rambus | Sunnyvale | 1990 |
| Rayovac | Middleton | 1906 |