Names
- Houghton, Chassell & Southwestern Railroad Company.1
- Houghton, Douglass, 1809-1845.1
- Hovey & McCracken.1
- Howard, Jacob Merritt, 1805-1871.1
- Hunt, James B., 1799-1857.1
- Indianapolis Union Railway Company1
- Ingersoll, John N., 1817-1881.1
- J. Alley & Company.1
- J.E. Potts Salt & Lumber Company.1
- Jackson, Calvin C., 1814-1883.1
- Jackson, Lansing and Saginaw Railroad Company.1
- Jennings & Northeastern Railway.1
- Jones, George Wallace, 1804-1896.1
- Joslin, C., 1813-1889.1
- Kawbawgam, Charles, -1902.1
- Keeler, Lewis.1
- Kellogg, John R., 1793-1868.1
- Keweenaw Central Railroad.1
- Klise Lumber Company.1
- Knox, John Jay, 1828-1892.1