| Hilton Worldwide | McLean | 1919 |
| Honeywell | Charlotte | April 23, 1885 |
| Hormel | Austin | 1891 |
| Houghton Mifflin Harcourt | Boston | 1880 |
| HRG Group | Rochester | 1953 |
| Illinois Tool Works | Glenview | 1912 |
| Incyte | Wilmington | 2001 |
| Ingram Micro | Irvine | 1979 |
| Inovio Pharmaceuticals | Plymouth Meeting | 1983 |
| Instacart | San Francisco | 2012 |
| Intel | Santa Clara | July 18, 1968 |
| Intersil | Milpitas | 1967 |
| Invesco | Atlanta | 1935 |
| IQVIA Holdings, Inc. | Danbury, Durham | 2016 |
| ITT Corporation | Stamford | 1920 |
| Jacobs Engineering Group | Harwood Center | 1947 |
| Jakks Pacific | Malibu | 1995 |
| Jamba | Frisco | 1990 |
| Jones Lang LaSalle | Chicago, Aon Center | 1783 |
| Kaman Corporation | Bloomfield, Connecticut | 1945 |
| Keurig Dr Pepper | Burlington | 2018 |
| KeyBank | Cleveland | 1825 |
| KFC | Louisville | 1930 |
| Kmart | Detroit | 1962 |
| Knoll | East Greenville | 1938 |
| Kodak | Rochester, New York City | 1882 |
| Koss Corporation | Milwaukee | 1953 |
| Kraft Foods Group | Northfield | 2012 |
| Krispy Kreme | Winston-Salem | July 13, 1937 |
| Kroger | Cincinnati | 1882 |
| L3Harris Technologies | Melbourne | June 29, 2019 |
| La-Z-Boy | Monroe | 1927 |
| Las Vegas Sands | Las Vegas, Paradise | 1937 |
| Laureate Education | Baltimore, Miami | 1998 |
| Lazard | New York City | July 12, 1848 |
| Lehman Brothers | New York City | 1850 |
| Lemonade | New York City | 2015 |
| Level 3 Communications | Frankfurt | 1985 |
| Levi Strauss & Co. | San Francisco, Levi's Plaza | 1853 |
| Lionbridge | Waltham | 1996 |
| Live Nation Entertainment | Beverly Hills | 2005 |
| Loews Corporation | New York City | 1946 |
| Logitech | Lausanne, Newark | October 2, 1981 |
| Lowe's | Mooresville | March 25, 1921 |
| M&T Bank | Buffalo | 1856 |
| Macy's, Inc. | Cincinnati, Macy's Herald Square | 1929 |
| Marathon Oil | Houston | 1887 |
| Marathon Petroleum | Findlay | 2009 |