AMTK
| Amtrak | 41 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BO
| Baltimore & Ohio | 4 |
CBQ
| Chicago Burlington & Quincy | 7 |
GMO
| Gulf Mobile & Ohio | 2 |
GN
| Great Northern | 2 |
MILW
| Milwaukee Road | 1 |
NMRX
| New Mexico Department Of Transportation | 1 |
PPCX
| AAPRCO Register Private Cars | 1 |
PRR
| Pennsylvania Railroad | 1 |
SCRX
| SOUTH CAROLINA PUBLIC RAILWAYS | 3 |
UP
| Union Pacific Railroad Company | 2 |
WAB
| Wabash | 2 |
WRLX
| Relco Tank Line Incorporated | 1 |