ABOX
| TTX Company | 2 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 6 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 4 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 4 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 2 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 1 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 1 |
LW
| Louisville and Wadley Railway Company | 3 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
NS
| Norfolk Southern | 6 |
PRR
| Pennsylvania Railroad | 1 |
SIRX
| Southern Illinois Railcar Company | 1 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 2 |
SRY
| Southern Railway of British Columbia Lim | 9 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 10 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 3 |