AKMD
| Arkansas Midland Railroad Company | 1 |
ARA
| Arcade and Attica Railroad Corporation | 1 |
BSOR
| Buffalo Southern | 1 |
CSX
| CSX Railroad | 1 |
EEC
| East Erie Commercial Railroad | 1 |
KXHR
| Knoxville & Holston River RR | 1 |
MEC
| Maine Central | 1 |
PRR
| Pennsylvania Railroad | 1 |
TBOX
| TTX Company | 1 |
USAX
| United States Army | 2 |
USSC
| United States Sugar | 1 |
WAG
| Wellsville Addison & Galeton | 1 |