AGR
| Alabama and Gulf Coast | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BAEX
| Andersons | 1 |
BM
| Boston & Maine | 1 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
CNW
| Chicago & Northwestern | 6 |
CSX
| CSX Railroad | 8 |
EEC
| East Erie Commercial Railroad | 8 |
FGLK
| Finger Lakes Railway | 10 |
GMRC
| Green Mountain RR | 22 |
HS
| H and S Railroad Company | 11 |
KCS
| Kansas City Southern | 6 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
MB
| Meridian & Bigbee | 2 |
MEC
| Maine Central | 42 |
MMA
| Montreal, Maine & Atlantic | 1 |
MRL
| Montana Rail Link | 1 |
NS
| Norfolk Southern | 1 |
SLR
| St Lawrence & Atlantic | 1 |
SOU
| Southern | 1 |
SRN
| Sabine River & Northern | 2 |