AMTK
| Amtrak | 4 |
CBQ
| Chicago Burlington & Quincy | 1 |
CMNR
| CMNR | 1 |
CO
| Chesapeake & Ohio | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
MILW
| Milwaukee Road | 1 |
PPCX
| AAPRCO Register Private Cars | 1 |
RRP
| RRP | 1 |
SOU
| Southern | 1 |
SPS
| Spokane Portland & Seattle | 1 |
WP
| Western Pacific | 2 |