Names
- Hersey Gravel Company.1
- Hobart and Manistee River Rail Road Company.1
- Hoffman, Paul G. (Paul Gray), 1891-1974.1
- Hopkins Manufacturing Company.1
- Horning & Hart.1
- Houghton, Chassell & Southwestern Railroad Company.1
- Hovey & McCracken.1
- Illinois Central Railroad Company.1
- J. Alley & Company.1
- J.E. Potts Salt & Lumber Company.1
- Jennings & Northeastern Railway.1
- Johansen, August E. (August Edgar), 1905-1995.1
- Johanson, August Edgar, 1905-1
- Kellogg, W. K. (Will Keith), 1860-1951.1
- Kelly, Harry F. (Harry Francis), 1895-1971.1
- Keweenaw Central Railroad.1
- Klise Lumber Company.1
- Knight, John Shively, 1894-1981.1
- Lake County Railroad.1
- Lake George and Muskegon River Railroad Company.1