AGR
| Alabama and Gulf Coast | 1 |
ATW
| Atlantic and Western | 1 |
CNW
| Chicago & Northwestern | 1 |
HS
| H and S Railroad Company | 6 |
KRR
| Kiamichi | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MRL
| Montana Rail Link | 1 |
SP
| Southern Pacific | 1 |
SRN
| Sabine River & Northern | 1 |