ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 1 |
BCOL
| Canadian National Railways | 3 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 4 |
CSX
| CSX Railroad | 15 |
CV
| Central Vermont | 2 |
DGG
| DGG | 1 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 1 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 3 |
KCS
| Kansas City Southern | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MP
| Missouri Pacific | 2 |
MWCX
| Midwest Railcar Corporation | 1 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 2 |
SMW
| St Marys Railway West LLC | 1 |
SNC
| Saratoga & North Creek Railway | 8 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 2 |
SRY
| Southern Railway of British Columbia Lim | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TSE
| Texas South-Eastern Railroad Company | 1 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 3 |
WP
| Western Pacific | 1 |
YVRR
| Yadkin Valley | 1 |