ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 5 |
CCR
| Corinth & Counce | 1 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 3 |
CPAA
| Canadian Pacific Railway | 1 |
MMID
| Maryland Midland | 1 |
MSDR
| Knoxville & Holston River Railroad | 1 |
MTW
| Marinette Tomahawk & Western | 1 |
QC
| Quebec Central | 1 |