AOK
| Arkansas-Oklahoma Railroad | 16 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 32 |
BTTX
| TTX Company - Autoracks | 3 |
CMO
| Chicago St Paul Minneapolis & Omaha | 5 |
CN
| Canadian National Railways | 16 |
CNA
| Canadian National Railways | 17 |
COER
| Crab Orchard & Egyptian | 7 |
CP
| Canadian Pacific Railway | 16 |
CPAA
| Canadian Pacific Railway | 3 |
CSX
| CSX Railroad | 3 |
CTTX
| TTX Company - Autoracks | 17 |
ETTX
| TTX Company - Autoracks | 52 |
GTW
| Grand Trunk Western | 5 |
GVSR
| Galveston Railroad L.P. | 1 |
KCS
| Kansas City Southern | 8 |
KCSM
| Kansas City Southern De Mexico | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 24 |
NS
| Norfolk Southern | 13 |
PW
| Providence and Worcester | 7 |
SFLC
| BNSF Railway | 6 |
SOO
| Soo Line | 8 |
SOXX
| SMBC RAIL SERVICES LLC | 1 |
SP
| Southern Pacific | 19 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
TOAX
| TTX Company - Autoracks | 1 |
TOCX
| TTX Company - Autoracks | 9 |
TTGX
| TTX Company-Autoracks | 342 |
TTQX
| TTX Company-Autoracks | 1 |
UCRY
| Utah Central | 11 |
UP
| Union Pacific Railroad Company | 2 |
WRWK
| Providence & Worchester Railroad | 9 |