ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
BAEX
| Andersons | 5 |
BAYL
| Bay Line, LLC | 1 |
BKTY
| Union Pacific Railroad Company | 6 |
BM
| Boston & Maine | 5 |
CCR
| Corinth & Counce | 1 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 1 |
EEC
| East Erie Commercial Railroad | 3 |
FGLK
| Finger Lakes Railway | 2 |
GMRC
| Green Mountain RR | 19 |
GNRR
| Georgia Northeastern | 1 |
HS
| H and S Railroad Company | 3 |
IANR
| Iowa Northern Ry | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LRS
| Laurinburg and Southern | 3 |
MEC
| Maine Central | 76 |
MMA
| Montreal, Maine & Atlantic | 10 |
MSDR
| Knoxville & Holston River Railroad | 1 |
NS
| Norfolk Southern | 1 |
PAL
| Paducah & Louisville | 2 |
PDRR
| Pee Dee River RR | 2 |
SIRX
| Southern Illinois Railcar Company | 1 |
SLR
| St Lawrence & Atlantic | 2 |
SMW
| St Marys Railway West LLC | 1 |
SNC
| Saratoga & North Creek Railway | 4 |
SOU
| Southern | 1 |
SRN
| Sabine River & Northern | 4 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WRWK
| Providence & Worchester Railroad | 1 |
YARR
| Youngstown and Austintown Railroad | 1 |