- Hopi Indians1
- Iha, David1
- Independent Petroleum Association of America1
- Inouye, Margaret1
- International Union, United Automobile Workers of America (CIO)1
- Jackson, Henry M. (Henry Martin), 1912-19831
- Madden, Ray J. (Ray John), 1892-19871
- Mahan, John W.1
- Mathias, Charles McCurdy, Jr., 1922-20101
- Menominee Indian Tribe of Wisconsin1
- Miura, Laurine1
- Modoc Indians1
- Modoc Nation1
- Modoc Tribe1
- Modoc Tribe of Oklahoma of Oklahoma1
- Mollohan, Bob1
- National Association for the Advancement of Colored People1
- National Petroleum Council1
- Navajo Tribe of Arizona, New Mexico & Utah, New Mexico & Utah1
- Ojibwa Indians1
