AOK
| Arkansas-Oklahoma Railroad | 8 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 19 |
CSX
| CSX Railroad | 6 |
GRW
| Gary Railway | 12 |
HS
| H and S Railroad Company | 1 |
IHB
| Indiana Harbor Belt | 4 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 192 |
RJCN
| R.J. Corman Railroad Company/ Allentown Lines Incorporated | 6 |
TFM
| Kansas City Southern De Mexico | 1 |
WRWK
| Providence & Worchester Railroad | 1 |