AMTK
| Amtrak | 55 |
ARR
| Alaska Railroad | 1 |
BNSF
| BNSF Railway | 1 |
CBRX
| Charles Barthold | 1 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 3 |
CRIP
| Chicago Rock Island & Pacific | 1 |
DOTX
| USDOT/Federal Railroad Administration | 3 |
FEVR
| Fremont & Elkhorn Valley Railroad | 1 |
GN
| Great Northern | 2 |
GTLX
| Great Lakes Railcar, Inc. | 2 |
HOLX
| HOLX | 1 |
KCS
| Kansas City Southern | 1 |
MILW
| Milwaukee Road | 4 |
MP
| Missouri Pacific | 1 |
MRLX
| Mid America Rail Car Leasing | 2 |
NP
| Northern Pacific | 1 |
NSRX
| Railroading Heritage Of Midwest America | 3 |
SLRS
| SMS Rail Service Incorporated | 1 |
SRNJ
| Southern Railroad Company of New Jersey | 1 |
UPP
| Union Pacific Passenger | 2 |
VMTX
| VMTX | 1 |
WSOR
| Wisconsin & Southern | 1 |
ZWSR
| ZWSR | 1 |