AMTK
| Amtrak | 20 |
ATAX
| Arizona Transit Assembly | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 17 |
BYCX
| Chelatchie Prairie Railroad | 1 |
CBRW
| Columbia Basin Railroad | 7 |
DLMX
| Daylight Locomotives and Machine Works Incorporated | 3 |
GCRY
| Grand Canyon Railway | 1 |
GN
| Great Northern | 7 |
JPBX
| Joint Powers Board (CalTrain) | 1 |
MILW
| Milwaukee Road | 3 |
MNTX
| Minnesota Transportation Museum, Inc. | 4 |
NMRX
| New Mexico Department Of Transportation | 4 |
NRE
| NRE | 5 |
NRM
| NRM | 1 |
NSR
| Newburgh and South Shore Railroad Compan | 5 |
PNWC
| PNWC | 4 |
PPCX
| AAPRCO Register Private Cars | 11 |
SDRX
| Central Puget Sound Regional Transit Authority | 7 |
SP
| Southern Pacific | 1 |
SPS
| Spokane Portland & Seattle | 3 |
TCRY
| Tri-City Railroad | 1 |
UP
| Union Pacific Railroad Company | 2 |
UPP
| Union Pacific Passenger | 15 |
VIA
| Via Rail Canada | 1 |
VRIC
| Virginia Rail Investment | 1 |