Names
- Chicago, Milwaukee, St. Paul and Pacific Railroad Company.1
- Chippewa Lumber Company.1
- Cincinnati Northern Railroad Company.1
- Cincinnati, Jackson and Mackinaw Railway Company.1
- Cincinnati, Saginaw and Mackinaw Railroad Company.1
- Clements, William L. (William Lawrence), 1861-1934.1
- Cleveland, Cincinnati, Chicago, and St. Louis Railway Company.1
- Cleveland-Cliffs Iron Company.2
- Cobbs & Mitchell.1
- Coller, Frederick A.1
- Columbus, Chicago and Indiana Central Railway Company.1
- Cook, Marshall L., 1858-1955.1
- Cooley, Charles Horton, 1864-1929.1
- Cooley, Mortimer E. (Mortimer Elwyn), 1855-1944.1
- Cowling, Donald J.1
- Craig, James Alexander, 1855-1932.1
- Craig, Robert, 1882-1962.1
- Crawford and Manistee River Railway Company.1
- Cross, Arthur Lyon, 1873-1940.1
- Cummer Lumber Company.1