AMGX
| AMG Resources Corporation | 2 |
ATW
| Atlantic and Western | 5 |
CR
| Conrail | 534 |
DLRX
| General Electric Rail Services | 5 |
DRGW
| Denver & Rio Grande Western | 2 |
EJE
| Elgin Joliet and Eastern | 21 |
FEC
| Florida East Coast | 1 |
FSRR
| FerroSur | 2 |
FXE
| Ferromex | 18 |
GNRR
| Georgia Northeastern | 4 |
GONX
| Railgon Company | 399 |
GRW
| Gary Railway | 34 |
IHB
| Indiana Harbor Belt | 14 |
MP
| Missouri Pacific | 3 |
NS
| Norfolk Southern | 36 |
NSAX
| National Steel Corporation | 1 |
SIMX
| Sturgis Iron & Metal | 3 |
TFM
| Kansas City Southern De Mexico | 5 |
WC
| Wisconsin Central | 2 |