AOK
| Arkansas-Oklahoma Railroad | 2 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 24 |
CMO
| Chicago St Paul Minneapolis & Omaha | 1 |
CN
| Canadian National Railways | 6 |
CNA
| Canadian National Railways | 3 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 5 |
CPAA
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 8 |
CTTX
| TTX Company - Autoracks | 13 |
ETTX
| TTX Company - Autoracks | 23 |
FXE
| Ferromex | 1 |
GTW
| Grand Trunk Western | 2 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 16 |
NOKL
| Northwestern Oklahoma | 3 |
NS
| Norfolk Southern | 1 |
PW
| Providence and Worcester | 20 |
SCMX
| Shell Oil Company | 1 |
SFLC
| BNSF Railway | 88 |
SOO
| Soo Line | 4 |
SP
| Southern Pacific | 7 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
STAX
| OCI Chemical Corporation | 1 |
TGX
| TGX | 2 |
TR
| Tomahawk Railway L.P. | 2 |
TTGX
| TTX Company-Autoracks | 165 |
TTGZ
| TTGZ | 1 |
UCRY
| Utah Central | 9 |
UP
| Union Pacific Railroad Company | 11 |
UPL
| UPL | 1 |
WRWK
| Providence & Worchester Railroad | 66 |