ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 3 |
BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 17 |
CN
| Canadian National Railways | 10 |
CNA
| Canadian National Railways | 2 |
CNIS
| Canadian National Railways | 3 |
CP
| Canadian Pacific Railway | 3 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 1 |
DWC
| Canadian National Railways | 1 |
IC
| Illinois Central | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MMA
| Montreal, Maine & Atlantic | 1 |
MP
| Missouri Pacific | 1 |
QC
| Quebec Central | 1 |
QGRY
| Quebec Gatineau Railway Incorporated | 7 |
SLGG
| Progress Rail Services Corporation | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 9 |
TR
| Tomahawk Railway L.P. | 5 |
UCRY
| Utah Central | 1 |
WC
| Wisconsin Central | 1 |