BAR
| Bangor & Aroostook | 2 |
BN
| Burlington Northern | 1 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 9 |
CP
| Canadian Pacific Railway | 10 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 2 |
CV
| Central Vermont | 1 |
CVC
| Canadian National Railways | 1 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 1 |
GTRA
| Golden Triangle Railroad | 1 |
GTW
| Grand Trunk Western | 3 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 2 |
KCS
| Kansas City Southern | 7 |
LW
| Louisville and Wadley Railway Company | 7 |
MEC
| Maine Central | 1 |
MMA
| Montreal, Maine & Atlantic | 4 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
ONT
| Ontario Northland Railway | 2 |
QC
| Quebec Central | 7 |
QGRY
| Quebec Gatineau Railway Incorporated | 75 |
SLGG
| Progress Rail Services Corporation | 3 |
SOO
| Soo Line | 9 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TR
| Tomahawk Railway L.P. | 10 |
WC
| Wisconsin Central | 14 |
YKR
| York Rail | 1 |