| Hormel | Austin | 1891 |
| Humana | Louisville | 1961 |
| Huntington Ingalls Industries | Newport News | 31 de março de 2011 |
| Huntsman Corporation | Salt Lake City | 1982 |
| IAC | Nova Iorque | 28 de julho de 1986 |
| Incyte | Wilmington | 2001 |
| InnerSloth | Redmond | 2015 |
| International Paper | Boston, Memphis | 1898 |
| Intuit | Mountain View | 1983 |
| Invesco | Atlanta | 1935 |
| Iomega | San Diego | 1980 |
| IQVIA Holdings, Inc. | Danbury, Durham | 2016 |
| IRobot | Bedford | 1990 |
| ITT Corporation | Stamford | 1920 |
| Jacobs Solutions | Harwood Center | 1947 |
| Jeep | Toledo | 1941 |
| Jones Lang LaSalle | Chicago, Aon Center | 1783 |
| JWT | Nova Iorque | 1864 |
| KeyBank | Cleveland | 1825 |
| Keysight | Santa Rosa | 2014 |
| Kimberly-Clark | Irving | 1928 |
| Kmart | Detroit | 1962 |
| Knight's Armament Company | Titusville | 1983 |
| Knoll | East Greenville | 1938 |
| Koch Industries | Wichita | 1940 |
| Lattice Semiconductor | Portland, Hillsboro | 1983 |
| Leidos | Reston | 1969 |
| Levi Strauss & Co. | São Francisco, Levi's Plaza | 1853 |
| Liberty Mutual Group | Boston | 1912 |
| LJN Toys | Nova Iorque | 1967 |
| Lyft | São Francisco | 2013 |
| Mack Trucks | Allentown, Greensboro | 1900 |
| Macromedia | São Francisco | 25 de fevereiro de 1992 |
| MakerBot Industries | Nova Iorque | 20 de janeiro de 2009 |
| Manpower | Milwaukee | 1948 |
| Marmot | Santa Rosa | 1974 |
| Marriott Internacional | Bethesda | 8 de outubro de 1993 |
| Martin Marietta | Bethesda | 1961 |
| Marvel Entertainment | Nova Iorque | junho 1998 |
| McCormick & Company | Hunt Valley | 1669 |
| McGraw-Hill Education | Nova Iorque | 1888 |
| McIntosh Laboratory | Binghamton, Nova Iorque | 1949 |
| McKesson Corporation | Irving | 1994 |
| Mead Johnson | Glenview | 1905 |
| Mentor Graphics | Wilsonville | 1981 |
| MGA Entertainment | Los Angeles | 1979 |
| Microchip Technology | Chandler | 1989 |
| Midway Games | Chicago | 1988 |