BNSF
| BNSF Railway | 1 |
CAIX
| CAI Rail Inc. | 14 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 32 |
ESAX
| ESAX | 5 |
GAEX
| General American Marks Company | 2 |
HKRX
| HKRX | 21 |
HPJX
| Helm-Pacific Leasing | 1 |
IARX
| IARX | 11 |
IC
| Illinois Central | 36 |
ICG
| Illinois Central Gulf | 80 |
IHB
| Indiana Harbor Belt | 2 |
ITFX
| INFINITY TRANSPORTATION III LLC | 2 |
LN
| Louisville & Nashville | 1 |
LSRC
| Lake State Railway Company | 4 |
NGSX
| NGSX | 1 |
NS
| Norfolk Southern | 67 |
RTAX
| RTAX | 1 |
SNC
| Saratoga & North Creek Railway | 19 |
SOU
| Southern | 174 |
TOPX
| TOPX | 3 |
TR
| Tomahawk Railway L.P. | 22 |
TTPX
| TTX Company - Bulkhead Flats | 1249 |
UP
| Union Pacific Railroad Company | 138 |
WVCX
| Mead-Westvaco Corporation | 2 |