AM
| Arkansas & Missouri | 2 |
AMTK
| Amtrak | 49 |
AOE
| American Orient Express | 1 |
ATSF
| Atchison Topeka & Santa Fe | 13 |
BNA
| Burlington Northern Business Cars | 1 |
BNSF
| BNSF Railway | 185 |
CBQ
| Chicago Burlington & Quincy | 7 |
CKSR
| CKSR | 1 |
CRIP
| Chicago Rock Island & Pacific | 12 |
CSX
| CSX Railroad | 2 |
DLW
| Delaware Lackawanna & Western | 1 |
DMIR
| Duluth Missabe & Iron Range | 1 |
GN
| Great Northern | 1 |
IAIS
| Iowa Interstate | 4 |
IANR
| Iowa Northern Ry | 3 |
IC
| Illinois Central | 2 |
ITAX
| Illinois Transit Assembly Incorporated | 1 |
KCS
| Kansas City Southern | 3 |
METX
| METRA | 11 |
MILW
| Milwaukee Road | 2 |
MP
| Missouri Pacific | 1 |
MRLX
| Mid America Rail Car Leasing | 15 |
PPCX
| AAPRCO Register Private Cars | 28 |
RBBX
| Ringling Bros. and Barnum and Bailey | 4 |
RPCX
| Railroad Passenger Car Numbering Bureau | 9 |
SLRG
| San Luis and Rio Grande Railroad | 5 |
UPP
| Union Pacific Passenger | 19 |
WP
| Western Pacific | 2 |
WRHX
| Creative Charters Inc | 4 |