Chicago & Calumet District Transit Co. ~ 8/1/1931 to 6/8/1940 (abandoned)
Calumet Railways, Inc. ~ 12/17/1929 to 9/22/1931 (sold)
Hammond, Whiting & East Chicago Railway Co. ~ 1/29/1910 to 12/24/1929 (foreclosure sale)
Hammond, Whiting & East Chicago Electric Railway Co. ~ 12/22/1893 to 2/4/1910 (sold)
Whiting, Hammond & East Chicago Railway Co. ~ 8/12/1892 to 12/22/1893 (name change)
Hammond Electric Railway Co. ~ 4/18/1892 to 8/12/1892 (franchise purchase)
Carbarn/Substation, Hammond, Lake Co. - SE corner of S. Sheffield Ave. & Gostlin St.