ANGX
| Andersons - Railgroup | 2 |
BS
| Birmingham Southern RR | 31 |
CN
| Canadian National Railways | 6 |
CNW
| Chicago & Northwestern | 7 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 1004 |
CSS
| Chicago South Shore And South Bend | 93 |
CSX
| CSX Railroad | 129 |
DRGW
| Denver & Rio Grande Western | 8 |
EJE
| Elgin Joliet and Eastern | 207 |
GRW
| Gary Railway | 326 |
IC
| Illinois Central | 1 |
IHB
| Indiana Harbor Belt | 166 |
MP
| Missouri Pacific | 22 |
NS
| Norfolk Southern | 678 |
NSAX
| National Steel Corporation | 311 |
NW
| Norfolk & Western | 745 |
NYC
| New York Central | 53 |
SOO
| Soo Line | 9 |
SP
| Southern Pacific | 7 |
UP
| Union Pacific Railroad Company | 8 |
WC
| Wisconsin Central | 1 |
YARR
| Youngstown and Austintown Railroad | 1 |