AMTK
| Amtrak | 44 |
AOK
| Arkansas-Oklahoma Railroad | 271 |
ATSF
| Atchison Topeka & Santa Fe | 103 |
ATW
| Atlantic and Western | 56 |
BNSF
| BNSF Railway | 523 |
BTTX
| TTX Company - Autoracks | 246 |
CMO
| Chicago St Paul Minneapolis & Omaha | 16 |
CN
| Canadian National Railways | 436 |
CNA
| Canadian National Railways | 644 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 476 |
CPAA
| Canadian Pacific Railway | 143 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 50 |
CTTX
| TTX Company - Autoracks | 589 |
DODX
| Department Of Defense | 4 |
EL
| Erie Lackawanna | 1 |
ETTX
| TTX Company - Autoracks | 9662 |
FEC
| Florida East Coast | 22 |
FSRR
| FerroSur | 3 |
FXE
| Ferromex | 17 |
GTW
| Grand Trunk Western | 240 |
GVSR
| Galveston Railroad L.P. | 3 |
HCRC
| Hillsdale County Ry. Co., Inc. | 1 |
ITTX
| TTX Company | 6 |
KCS
| Kansas City Southern | 148 |
KCSM
| Kansas City Southern De Mexico | 11 |
KNA
| KNA | 1 |
NAFX
| General Electric Rail Services | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 81 |
NOKL
| Northwestern Oklahoma | 9 |
NS
| Norfolk Southern | 519 |
PW
| Providence and Worcester | 256 |
RBBX
| Ringling Bros. and Barnum and Bailey | 14 |
RCTH
| RCTH | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SOO
| Soo Line | 251 |
SOU
| Southern | 21 |
SP
| Southern Pacific | 437 |
SSW
| St Louis Southwestern (Cotton Belt) | 219 |
T
| T | 1 |
TGGX
| TGGX | 1 |
THRX
| Transportation Corporation of America | 1 |
TOAX
| TTX Company - Autoracks | 4 |
TOCX
| TTX Company - Autoracks | 22 |
TSFX
| TSFX | 1 |
TTBX
| TTX Company | 3 |
TTCX
| TTX Company | 1 |
TTDX
| TTX Company - DOD Service Flats | 1 |
TTG
| TTG | 3 |
TTGX
| TTX Company-Autoracks | 22370 |
TTNX
| TTX Company | 1 |
TTOX
| TTX Company | 1 |
TTQX
| TTX Company-Autoracks | 205 |
TTRX
| TTX Company-Spine Cars | 1 |
TTUX
| TTX Company | 128 |
TTX
| TTX Company | 1 |
UCRY
| Utah Central | 3 |
UP
| Union Pacific Railroad Company | 37 |
WMTA
| WMTA | 1 |
WRWK
| Providence & Worchester Railroad | 151 |