AGR
| Alabama and Gulf Coast | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 8 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 5 |
CSX
| CSX Railroad | 31 |
FCRD
| First Coast Railway | 3 |
FXE
| Ferromex | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 5 |
HLMX
| Helm Financial Corporation | 1 |
HS
| H and S Railroad Company | 2 |
IANR
| Iowa Northern Ry | 2 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 13 |
LRWN
| Little Rock & Western | 1 |
MQT
| Marquette Rail | 11 |
MSDR
| Knoxville & Holston River Railroad | 4 |
NS
| Norfolk Southern | 17 |
OAR
| Old Augusta Railroad | 3 |
SLGG
| Progress Rail Services Corporation | 1 |
SOU
| Southern | 33 |
SRN
| Sabine River & Northern | 4 |
WLO
| Waterloo Railway Company (Illinois Central) | 2 |
WRWK
| Providence & Worchester Railroad | 7 |