AGR
| Alabama and Gulf Coast | 3 |
AM
| Arkansas & Missouri | 2 |
ATW
| Atlantic and Western | 3 |
BCLR
| Bay Colony | 2 |
BKTY
| Union Pacific Railroad Company | 1 |
BN
| Burlington Northern | 1 |
BR
| Buffalo and Pittsburgh | 8 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CNA
| Canadian National Railways | 4 |
CNIS
| Canadian National Railways | 3 |
CP
| Canadian Pacific Railway | 26 |
CPAA
| Canadian Pacific Railway | 16 |
CSX
| CSX Railroad | 68 |
CTN
| Canton Railroad Company | 1 |
FGLK
| Finger Lakes Railway | 11 |
FXE
| Ferromex | 2 |
GNRR
| Georgia Northeastern | 11 |
GNWR
| Genesee and Wyoming Railroad Company | 21 |
GTW
| Grand Trunk Western | 11 |
HCRY
| Huron Central Railway | 1 |
HS
| H and S Railroad Company | 113 |
IANR
| Iowa Northern Ry | 29 |
KCS
| Kansas City Southern | 1 |
KWT
| KWT Railway | 1 |
LRS
| Laurinburg and Southern | 8 |
LVRC
| Lamoille Valley | 2 |
MQT
| Marquette Rail | 2 |
NS
| Norfolk Southern | 40 |
OAR
| Old Augusta Railroad | 9 |
RBMN
| Reading Blue Mountain & Northern | 3 |
SGLR
| Seminole Gulf | 2 |
SOU
| Southern | 81 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WRWK
| Providence & Worchester Railroad | 8 |
YVRR
| Yadkin Valley | 11 |