AGR
| Alabama and Gulf Coast | 5 |
BKTY
| Union Pacific Railroad Company | 6 |
BNSF
| BNSF Railway | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 5 |
CSX
| CSX Railroad | 3 |
EEC
| East Erie Commercial Railroad | 4 |
HS
| H and S Railroad Company | 1 |
KCS
| Kansas City Southern | 3 |
LRS
| Laurinburg and Southern | 11 |
RPMX
| RPMG INC | 2 |
SRN
| Sabine River & Northern | 1 |
WRWK
| Providence & Worchester Railroad | 1 |