ABOX
| TTX Company | 1 |
ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 4 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
AN
| Apalachicola Northern | 2 |
ASAB
| Bay Line Railroad LLC | 5 |
ATW
| Atlantic and Western | 1 |
BAEX
| Andersons | 2 |
BAYL
| Bay Line, LLC | 2 |
BCOL
| Canadian National Railways | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BN
| Burlington Northern | 2 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
CN
| Canadian National Railways | 3 |
CNA
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 3 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 30 |
DODX
| Department Of Defense | 1 |
EEC
| East Erie Commercial Railroad | 2 |
FBOX
| TTX Company | 3 |
FCRD
| First Coast Railway | 3 |
GMRC
| Green Mountain RR | 2 |
GTW
| Grand Trunk Western | 1 |
HLMX
| Helm Financial Corporation | 1 |
HPJX
| Helm-Pacific Leasing | 2 |
HS
| H and S Railroad Company | 3 |
IANR
| Iowa Northern Ry | 2 |
ICG
| Illinois Central Gulf | 1 |
LN
| Louisville & Nashville | 1 |
LRS
| Laurinburg and Southern | 3 |
MB
| Meridian & Bigbee | 1 |
MEC
| Maine Central | 1 |
MP
| Missouri Pacific | 5 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 4 |
QC
| Quebec Central | 1 |
RBOX
| Railbox Company | 3 |
SBD
| Seaboard System | 3 |
SCL
| Seaboard Coast Line | 1 |
SMW
| St Marys Railway West LLC | 3 |
SNC
| Saratoga & North Creek Railway | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 6 |
SP
| Southern Pacific | 1 |
TBOX
| TTX Company | 9 |
TFM
| Kansas City Southern De Mexico | 1 |
WC
| Wisconsin Central | 3 |
WP
| Western Pacific | 1 |
WRWK
| Providence & Worchester Railroad | 1 |
WSOR
| Wisconsin & Southern | 1 |