- Harrison, Antonio L.1
- Higgins, George G.1
- Hill, Jesse, 1926-1
- Hobby, Wilbur, 1925-19921
- Holmes, Adolph1
- Holmes, John1
- Hooks, Benjamin L. (Benjamin Lawson), 1925-20101
- Horwitz, Charles1
- Hubbard, Harry1
- Hudgins, Marsha H.1
- Hudson, Joseph1
- Ingram, Bob1
- Institute for Southern Studies1
- International Association of Machinists1
- International Association of Machinists and Aerospace Workers1
- International Union of Operating Engineers Local 6751
- Jacobs, Joseph, 1908-19981
- Jenkins, William N., 1923-20021
- Jennings, Paul1
- Johnson, C.E. (Chuck)1
