| NCR Corporation | Atlanta, Augsburg | 1884 |
| NetApp | Sunnyvale | 1992 |
| Netflix, Inc. | Los Gatos | August 29, 1997 |
| NetSuite | Austin | 1998 |
| Nike | Beaverton | January 25, 1964 |
| Nomura Securities Co Ltd | Nihonbashi, Tokyo | May 7, 2001 |
| Norwegian Cruise Line | Miami-Dade County | 1966 |
| Nucor | Charlotte | September 1955 |
| O.F. Mossberg & Sons | North Haven | 1919 |
| Office Depot | Boca Raton | 1986 |
| Olin Corporation | Clayton | 1892 |
| Open Invention Network | Durham, New York City | November 10, 2005 |
| OQO | San Francisco | 2000 |
| Orbital Sciences Corporation | Dulles | 1982 |
| Oshkosh Corporation | Oshkosh | 1917 |
| Packard Bell | Chatsworth | 1926 |
| Palm, Inc. | Sunnyvale | 1992 |
| Parametric Technology Corporation | Boston | May 1985 |
| Paramount+ | New York City | October 28, 2014 |
| Patagonia, Inc. | Ventura | 1973 |
| Peavey Electronics | Meridian | 1965 |
| Philip Morris International | Stamford, Lausanne | 1987 |
| Pioneer Hi-Bred | Johnston | 1926 |
| Playboy Enterprises | Los Angeles | 1953 |
| PNC Financial Services | One PNC Plaza | 1982 |
| PNY Technologies | Parsippany-Troy Hills | 1985 |
| Polaris | Medina | 1954 |
| Polycom | San Jose | 1990 |
| Precision Manuals Development Group | Alexandria | 1997 |
| Principal Financial Group | Des Moines | 1879 |
| Providence Equity Partners | 50 Kennedy Plaza | 1989 |
| Quaker Oats Company | Chicago | 1877 |
| Quiksilver | Huntington Beach | 1969 |
| Quora | Mountain View | June 21, 2010 |
| RealNetworks | Seattle | 1993 |
| Remo | Santa Clarita | 1957 |
| Remote Control Productions | Santa Monica | 1989 |
| Revlon | New York City | 1932 |
| Reynolds American | Winston-Salem | 2004 |
| Ring of Honor | — | 2002 |
| Rivian Automotive | Detroit | June 2009 |
| Robinson Helicopter Company | Zamperini Field | 1973 |
| Rough Draft Studios | Glendale | 1990 |
| Royal Caribbean Group | Miami | 1997 |
| RSA | Bedford | 1986 |
| Safeway | Pleasanton | 1915 |
| Sandisk | Milpitas | June 1, 1988 |
| Sealy Corporation | Trinity | 1881 |