ABS
| Alabama Southern Railroad | 1 |
AC
| Algoma Central | 4 |
ATW
| Atlantic and Western | 7 |
BCOL
| Canadian National Railways | 2 |
BFPX
| Besse Forest Products | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 6 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CN
| Canadian National Railways | 3 |
CP
| Canadian Pacific Railway | 7 |
CSX
| CSX Railroad | 8 |
CW
| Colorado and Wyoming | 1 |
DWC
| Canadian National Railways | 2 |
GAEX
| General American Marks Company | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
HKRX
| HKRX | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
IC
| Illinois Central | 7 |
ICG
| Illinois Central Gulf | 13 |
IHB
| Indiana Harbor Belt | 2 |
IORY
| Indiana & Ohio | 1 |
KCS
| Kansas City Southern | 1 |
LN
| Louisville & Nashville | 6 |
LRS
| Laurinburg and Southern | 2 |
MWNX
| MWNX | 1 |
NS
| Norfolk Southern | 2 |
NW
| Norfolk & Western | 1 |
PMRX
| Progress Metal Reclamation Company | 1 |
RDRX
| RDRX | 1 |
RTAX
| RTAX | 1 |
SBD
| Seaboard System | 6 |
SOO
| Soo Line | 5 |
SOU
| Southern | 10 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TFM
| Kansas City Southern De Mexico | 3 |
TTJX
| TTX Company-Bulkhead Flats | 3 |
TTPX
| TTX Company - Bulkhead Flats | 3 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 2 |
WCTR
| WCTU Company White City Terminal Railway | 1 |
YARR
| Youngstown and Austintown Railroad | 1 |