AMTK
| Amtrak | 6 |
BO
| Baltimore & Ohio | 1 |
CBQ
| Chicago Burlington & Quincy | 1 |
CDCG
| CDCG | 1 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
DM
| Detroit & Mackinac | 2 |
FEC
| Florida East Coast | 1 |
FRYX
| Federated Railways Inc | 3 |
HV
| HV | 3 |
METX
| METRA | 1 |
MILW
| Milwaukee Road | 1 |
MINN
| MINN | 1 |
MSTX
| MSTX | 5 |
NSR
| Newburgh and South Shore Railroad Compan | 2 |
OC
| OC | 1 |
PPCX
| AAPRCO Register Private Cars | 2 |
RNCX
| North Carolina Dept Of Transportation | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |
RTA
| Regional Transportation Authority | 1 |