ABOX
| TTX Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 3 |
BAEX
| Andersons | 1 |
BKTY
| Union Pacific Railroad Company | 14 |
BNSF
| BNSF Railway | 3 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 1 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CKIX
| C.K. Industries | 1 |
CMHX
| CarMath Incorporated | 1 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 3 |
CN
| Canadian National Railways | 5 |
CNA
| Canadian National Railways | 5 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 3 |
CRLE
| Coe Rail Incorporated | 2 |
CSX
| CSX Railroad | 1 |
DWC
| Canadian National Railways | 7 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 6 |
GTW
| Grand Trunk Western | 1 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 1 |
LRS
| Laurinburg and Southern | 11 |
LVRR
| Lycoming Valley | 4 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 6 |
RBOX
| Railbox Company | 12 |
SGLR
| Seminole Gulf | 1 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 1 |
TBOX
| TTX Company | 10 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 1 |
WRWK
| Providence & Worchester Railroad | 1 |
YKR
| York Rail | 1 |