AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 2 |
BAR
| Bangor & Aroostook | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 3 |
CIC
| Cedar Rapids & Iowa City | 2 |
CN
| Canadian National Railways | 3 |
CNA
| Canadian National Railways | 14 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 3 |
COER
| Crab Orchard & Egyptian | 13 |
CSX
| CSX Railroad | 12 |
DRRV
| DRRV | 3 |
DWC
| Canadian National Railways | 3 |
FBOX
| TTX Company | 5 |
GACX
| General American Marks Company | 3 |
HKRX
| HKRX | 7 |
IATR
| Iowa Traction Railroad Company | 11 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 2 |
LW
| Louisville and Wadley Railway Company | 9 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
NDYX
| First Union Rail | 6 |
NOKL
| Northwestern Oklahoma | 1 |
NRI
| Nebkota Railway Incorporated | 2 |
NS
| Norfolk Southern | 7 |
SNC
| Saratoga & North Creek Railway | 3 |
SRY
| Southern Railway of British Columbia Lim | 3 |
TR
| Tomahawk Railway L.P. | 5 |
UCRY
| Utah Central | 3 |
WC
| Wisconsin Central | 22 |
YKR
| York Rail | 1 |