- Kiowa Tribe of Oklahoma of Oklahoma1
- Kreps, Juanita M. (Juanita Morris), 1921-20101
- Leahy, Patrick J.1
- Luken, Thomas A.1
- Mahan, John W.1
- Mahon, George Herman, 1900-19851
- March of Dimes1
- Markey, Edward J.1
- Mathias, Charles McCurdy, Jr., 1922-20101
- Matsunaga, Spark M., 1916-19901
- McClellan, John L. (John Little), 1896-19771
- Meany, George, 1894-19801
- Menominee Nation1
- Mescalero Apache Tribe of the Mescalero Reservation, New Mexico1
- Miura, Laurine1
- Natcher, William Huston, 1909-19941
- Navajo Indians1
- Oil, Chemical, and Atomic Workers International Union1
- Otoe Nation1
- Otoe-Missouria Tribe of Nation1
