| Monster Beverage | Minnesota | 1935 |
| Monster Inc. | Brisbane | 1978 |
| Mopar | Chrysler Headquarters and Technology Center | 1933 |
| Morgan Stanley | Nova Iorque | 1931 |
| MOS Technology | Norristown | 1969 |
| Motorola | Schaumburg | 25 de setembro de 1928 |
| Music Man | San Luis Obispo | 1971 |
| National Oilwell Varco | Houston | 1862 |
| National Semiconductor | Santa Clara | 1959 |
| National Wrestling Alliance | Houston | 1948 |
| Navteq | Chicago | 1985 |
| NBCUniversal | GE Building | 1926 |
| New Holland | Itália | 1891 |
| News Corp | Nova Iorque | 28 de junho de 2013 |
| NexGen | Milpitas | 1986 |
| NeXT | Palo Alto, Redwood City | 20 de junho de 1985 |
| Nike | Beaverton | 25 de janeiro de 1964 |
| Noble Energy | Houston | 1932 |
| Nomura Securities Co Ltd | Nihonbashi, Tóquio | 7 de maio de 2001 |
| Northern Trust | Illinois, Chicago | 1889 |
| Norwegian Cruise Line | Condado de Miami-Dade | 1966 |
| Oakley, Inc. | Foothill Ranch | 1975 |
| Ohio Valley Wrestling | Louisville | 1997 |
| One Race Films | Studio City | 1995 |
| Onsemi | Scottsdale | 18 de junho de 1992 |
| OQO | São Francisco | 2000 |
| Oshkosh Corporation | Oshkosh | 1917 |
| Packard Bell | Chatsworth | 1926 |
| Padlet | São Francisco | 1 de dezembro de 2012 |
| Parallels | Renton | 1999 |
| Paramount Global | Nova Iorque, One Astor Plaza | 4 de dezembro de 2019 |
| Patagonia (marca de roupa) | Ventura | 1973 |
| Peavey | Meridian | 1965 |
| Peet's Coffee | Emeryville | 1966 |
| Pennzoil | Houston | 1963 |
| PeopleSoft | Pleasanton, Califórnia | 1987 |
| Philip Morris International | Stamford, Lausana | 1987 |
| Phillips 66 | Westchase | 1 de maio de 2012 |
| Pitney Bowes | Stamford | 1920 |
| PNC Financial Services | One PNC Plaza | 1982 |
| Polycom | São José | 1990 |
| Precision Manuals Development Group | Alexandria | 1997 |
| Procter & Gamble | Ohio, Cincinnati | 31 de outubro de 1837 |
| Providence Equity Partners | 50 Kennedy Plaza | 1989 |
| Qorvo | Greensboro | 2015 |
| Quiksilver | Huntington Beach | 1969 |
| R. J. Reynolds Tobacco Company | Winston-Salem | 1874 |
| Ralph Lauren (marca) | Nova Iorque | 1967 |