ABOX
| TTX Company | 3 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 3 |
BNSF
| BNSF Railway | 19 |
CN
| Canadian National Railways | 5 |
CNA
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 2 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 2 |
DRGW
| Denver & Rio Grande Western | 1 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 2 |
FBOX
| TTX Company | 3 |
FXE
| Ferromex | 1 |
GMRC
| Green Mountain RR | 1 |
HS
| H and S Railroad Company | 2 |
IANR
| Iowa Northern Ry | 1 |
IATR
| Iowa Traction Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 2 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 2 |
LNWX
| Locomotives Northwest Limited | 2 |
LRS
| Laurinburg and Southern | 1 |
LRWN
| Little Rock & Western | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MILW
| Milwaukee Road | 1 |
MP
| Missouri Pacific | 2 |
MR
| McCloud Railway Company | 1 |
MRL
| Montana Rail Link | 5 |
NADX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 5 |
RBOX
| Railbox Company | 10 |
SOU
| Southern | 6 |
SP
| Southern Pacific | 7 |
SRN
| Sabine River & Northern | 3 |
SRY
| Southern Railway of British Columbia Lim | 4 |
TBOX
| TTX Company | 7 |
TOBX
| TTX Company - Box Cars | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 5 |
WP
| Western Pacific | 1 |