AMTK
| Amtrak | 37 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
CBQ
| Chicago Burlington & Quincy | 2 |
CDTX
| California DOT | 1 |
CO
| Chesapeake & Ohio | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
EL
| Erie Lackawanna | 1 |
ITC
| Illinois Terminal Railroad | 1 |
LN
| Louisville & Nashville | 1 |
METX
| METRA | 3 |
MILW
| Milwaukee Road | 2 |
MRLX
| Mid America Rail Car Leasing | 6 |
NICD
| Northern-Indiana Commuter Transportation | 8 |
NJT
| New Jersey Transit | 1 |
NMRX
| New Mexico Department Of Transportation | 1 |
PPCX
| AAPRCO Register Private Cars | 3 |
RBBX
| Ringling Bros. and Barnum and Bailey | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
SLRG
| San Luis and Rio Grande Railroad | 1 |
USAX
| United States Army | 1 |
WRHX
| Creative Charters Inc | 2 |
WRLX
| Relco Tank Line Incorporated | 2 |