AMTK
| Amtrak | 17 |
ATAX
| Arizona Transit Assembly | 4 |
BNSF
| BNSF Railway | 15 |
CTR
| Clinton Terminal Railroad Company | 1 |
DOTX
| USDOT/Federal Railroad Administration | 10 |
EOLX
| EOLX | 1 |
ETRC
| ETRC | 1 |
FCEN
| Florida Central | 2 |
GA
| Georgia Railroad | 1 |
IC
| Illinois Central | 3 |
KCS
| Kansas City Southern | 9 |
LN
| Louisville & Nashville | 4 |
MILW
| Milwaukee Road | 1 |
MRLX
| Mid America Rail Car Leasing | 14 |
NC
| CSX Transportation Incorporated | 1 |
NP
| Northern Pacific | 1 |
NS
| Norfolk Southern | 1 |
NSRX
| Railroading Heritage Of Midwest America | 1 |
PAXX
| PAXX | 2 |
PPCX
| AAPRCO Register Private Cars | 11 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SCRM
| SCRM | 1 |
SERA
| Sierra Northern Railway | 1 |
SLRG
| San Luis and Rio Grande Railroad | 10 |
SOO
| Soo Line | 2 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 1 |
UP
| Union Pacific Railroad Company | 30 |
WRLX
| Relco Tank Line Incorporated | 1 |