AGR
| Alabama and Gulf Coast | 10 |
BKTY
| Union Pacific Railroad Company | 12 |
BM
| Boston & Maine | 1 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CNW
| Chicago & Northwestern | 1 |
CSX
| CSX Railroad | 1 |
EEC
| East Erie Commercial Railroad | 3 |
FCRD
| First Coast Railway | 2 |
GNRR
| Georgia Northeastern | 1 |
GTRA
| Golden Triangle Railroad | 1 |
HS
| H and S Railroad Company | 5 |
IANR
| Iowa Northern Ry | 1 |
KCS
| Kansas City Southern | 3 |
LBR
| Lowville and Beaver River Railroad Compa | 3 |
LRS
| Laurinburg and Southern | 2 |
MEC
| Maine Central | 7 |
PDRR
| Pee Dee River RR | 3 |
SIRX
| Southern Illinois Railcar Company | 1 |
SMW
| St Marys Railway West LLC | 9 |
SNC
| Saratoga & North Creek Railway | 1 |
SRN
| Sabine River & Northern | 2 |
WC
| Wisconsin Central | 1 |
WRWK
| Providence & Worchester Railroad | 1 |