ATW
| Atlantic and Western | 2 |
BN
| Burlington Northern | 2 |
BO
| Baltimore & Ohio | 2 |
CO
| Chesapeake & Ohio | 1 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 5 |
DME
| Dakota, Minnesota and Eastern | 3 |
FURX
| First Union Rail | 1 |
ITC
| Illinois Terminal Railroad | 1 |
KCS
| Kansas City Southern | 2 |
LVRR
| Lycoming Valley | 1 |
NOKL
| Northwestern Oklahoma | 1 |
PW
| Providence and Worcester | 1 |
SOU
| Southern | 1 |
SRLX
| Southern Rail Leasing Incorporated | 5 |
TFM
| Kansas City Southern De Mexico | 1 |
WC
| Wisconsin Central | 1 |
YARR
| Youngstown and Austintown Railroad | 1 |