ABOX
| TTX Company | 2 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
ATW
| Atlantic and Western | 1 |
BAEX
| Andersons | 2 |
BCOL
| Canadian National Railways | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 2 |
CKIX
| C.K. Industries | 1 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 2 |
COER
| Crab Orchard & Egyptian | 4 |
CP
| Canadian Pacific Railway | 4 |
CRIX
| Citicorp Railmark, Inc. | 4 |
CSX
| CSX Railroad | 14 |
DRGW
| Denver & Rio Grande Western | 1 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 4 |
FBOX
| TTX Company | 11 |
FGLK
| Finger Lakes Railway | 1 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
HS
| H and S Railroad Company | 1 |
IANR
| Iowa Northern Ry | 1 |
IBT
| International Bridge and Terminal Company | 1 |
KCS
| Kansas City Southern | 1 |
LRS
| Laurinburg and Southern | 1 |
LW
| Louisville and Wadley Railway Company | 2 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 7 |
MEC
| Maine Central | 3 |
MP
| Missouri Pacific | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 12 |
NYC
| New York Central | 1 |
NYSW
| New York Susquehanna & Western | 2 |
RBOX
| Railbox Company | 10 |
SMW
| St Marys Railway West LLC | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 5 |
SSW
| St Louis Southwestern (Cotton Belt) | 6 |
TBOX
| TTX Company | 16 |
TOFX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 3 |
WRWK
| Providence & Worchester Railroad | 1 |
YKR
| York Rail | 1 |