| Invitrogen | Carlsbad | 1987 |
| J. Walter Thompson | Nueva York | 1864 |
| Jack Daniel's | Destilería de Jack Daniel's | 1866 |
| Jacobs Engineering Group | Harwood Center | 1947 |
| Jeep | Toledo | 1941 |
| Jones Lang LaSalle | Chicago, Aon Center | 1783 |
| Keurig Dr Pepper | Burlington | 2018 |
| KeyBank | Cleveland | 1825 |
| Kodak | Rochester, Nueva York | 1882 |
| Kraft Heinz | Pittsburgh | 2015 |
| Kroger | Cincinnati | 1882 |
| Landmark Education | San Francisco | 1991 |
| Leidos | Reston | 1969 |
| Lennox International | Richardson | 1999 |
| Level 3 Communications | Fráncfort del Meno | 1985 |
| Lionbridge | Waltham | 1996 |
| Lionel Corporation | Nueva York | 1900 |
| Lycos | Waltham | 1994 |
| Lyft | San Francisco | 2013 |
| Mack Trucks | Allentown, Greensboro | 1900 |
| Makerbot | Nueva York | 20 de enero de 2009 |
| Marathon Oil | Houston | 1887 |
| Marmot | Santa Rosa | 1974 |
| Marriott International | Bethesda | 8 de octubre de 1993 |
| Marvell Technology | Santa Clara | 1995 |
| Massey Ferguson | Duluth | 1953 |
| MassMutual | Springfield | 1851 |
| McAfee | Santa Clara, San José | 1987 |
| McGraw-Hill Education | Nueva York | 1888 |
| Merck & Co. | Rahway | 1891 |
| MGA Entertainment | Los Ángeles | 1979 |
| Microchip Technology Inc. | Chandler | 1989 |
| Milwaukee Electric Tool Corporation | Brookfield | 1924 |
| Modulus Graphite | Richmond | 1978 |
| MoneyGram | Dallas | 1940 |
| Monster Inc. | Brisbane | 1978 |
| MoPar | Chrysler Auburn Hills | 1933 |
| MOS Technology | Norristown | 1969 |
| Motorola Inc. | Schaumburg | 25 de septiembre de 1928 |
| National Oilwell Varco | Houston | 1862 |
| National Semiconductor | Santa Clara | 1959 |
| National Wrestling Alliance | Houston | 1948 |
| Navistar International | Lisle | 1986 |
| Navteq | Chicago | 1985 |
| NCR | Atlanta, Augsburgo | 1884 |
| NetSuite | Austin | 1998 |
| Network Solutions | Herndon | 1979 |
| Neuberger Berman | Nueva York | 1939 |