ATSF
| Atchison Topeka & Santa Fe | 1 |
BLE
| Bessemer & Lake Erie | 5 |
BN
| Burlington Northern | 2 |
BO
| Baltimore & Ohio | 5 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 2 |
CO
| Chesapeake & Ohio | 2 |
CR
| Conrail | 5 |
CSS
| Chicago South Shore And South Bend | 18 |
CSX
| CSX Railroad | 6 |
CWP
| Chicago West Pullman & Southern | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
GTW
| Grand Trunk Western | 1 |
IAIS
| Iowa Interstate | 4 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 6 |
IHB
| Indiana Harbor Belt | 25 |
ITC
| Illinois Terminal Railroad | 2 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
MKT
| Missouri-Kansas-Texas | 4 |
MLMX
| Metal Management Inc. | 2 |
MP
| Missouri Pacific | 13 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 3 |
RMGX
| Andersons - Railgroup | 1 |
SOO
| Soo Line | 2 |
SOU
| Southern | 4 |
TFM
| Kansas City Southern De Mexico | 1 |
WC
| Wisconsin Central | 4 |
WE
| Wheeling & Lake Erie | 4 |