ATW
| Atlantic and Western | 1 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 18 |
CR
| Conrail | 4 |
CSS
| Chicago South Shore And South Bend | 2 |
CSX
| CSX Railroad | 4 |
CTRN
| Union Pacific Railroad Company | 1 |
EJE
| Elgin Joliet and Eastern | 1 |
GRW
| Gary Railway | 1 |
GTW
| Grand Trunk Western | 5 |
IC
| Illinois Central | 1 |
ICE
| Iowa Chicago and Eastern | 13 |
IHB
| Indiana Harbor Belt | 4 |
MNNR
| Minnesota Commercial | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 3 |
NYC
| New York Central | 1 |
SCIH
| South Chicago & Indiana Harbor Railway C | 2 |
SOO
| Soo Line | 2 |
SOU
| Southern | 1 |
TR
| Tomahawk Railway L.P. | 8 |
UP
| Union Pacific Railroad Company | 3 |