AM
| Arkansas & Missouri | 1 |
AZER
| Arizona Eastern Railway Company | 1 |
BAEX
| Andersons | 1 |
BCOL
| Canadian National Railways | 1 |
BPRR
| Buffalo and Pittsburgh | 4 |
CN
| Canadian National Railways | 2 |
CSX
| CSX Railroad | 7 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 4 |
FBOX
| TTX Company | 3 |
FGLK
| Finger Lakes Railway | 5 |
FGLX
| Factor Gas Liquids Incorporated | 1 |
GNRR
| Georgia Northeastern | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
HS
| H and S Railroad Company | 4 |
IBT
| International Bridge and Terminal Company | 2 |
LW
| Louisville and Wadley Railway Company | 1 |
NS
| Norfolk Southern | 3 |
PGR
| Progressive Rail, Inc | 1 |
RBOX
| Railbox Company | 1 |
SGLR
| Seminole Gulf | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 2 |
TASD
| Terminal Alabama State Docks | 1 |
TBOX
| TTX Company | 5 |
TR
| Tomahawk Railway L.P. | 2 |
VTR
| Vermont Railway | 2 |
WC
| Wisconsin Central | 1 |