ACL
| Atlantic Coast Line | 1 |
AMTK
| Amtrak | 1 |
CRR
| Clinchfield | 1 |
CSX
| CSX Railroad | 2 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
MMA
| Montreal, Maine & Atlantic | 1 |
MP
| Missouri Pacific | 1 |
NYC
| New York Central | 1 |
PC
| Penn Central | 2 |
PRR
| Pennsylvania Railroad | 1 |
RBOX
| Railbox Company | 2 |
SCL
| Seaboard Coast Line | 2 |
WP
| Western Pacific | 1 |