- H and C Political Media3
- Hamilton, Lee3
- Harkness, Richard, 1907-19773
- Harris, Patricia, 1924-19853
- Helms, Jesse3
- Hodel, Donald Paul, 1935-3
- Holman, Rufus C. (Rufus Cecil), 1877-19593
- Houts, Hale, 1888-3
- Hoyer, Steny H. (Steny Hamilton), 1939-3
- Jay Bryant Communications3
- Jim Cox and Associates3
- Johnson, Thoron A.3
- Jon Holtshopple and Associates3
- KGWN Production3
- Keetoowah Indians3
- Kennedy, Joseph W. (Joseph William), 1916-19573
- Kenworthy, E. W., 1909-3
- Knowles, Miles H.3
- Knox, Frank, 1874-19443
- Krueger, Robert, 1935-3
