AEC
| Atlantic and East Carolina Railway Compa | 1 |
AGR
| Alabama and Gulf Coast | 6 |
ALY
| Allegheny and Eastern Railroad Incorpora | 1 |
AOK
| Arkansas-Oklahoma Railroad | 12 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 6 |
AZER
| Arizona Eastern Railway Company | 4 |
BCLR
| Bay Colony | 1 |
BM
| Boston & Maine | 1 |
BNSF
| BNSF Railway | 15 |
BO
| Baltimore & Ohio | 1 |
CG
| Central Of Georgia | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CN
| Canadian National Railways | 17 |
CNA
| Canadian National Railways | 5 |
CNIS
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 7 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 13 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 34 |
CUOH
| Columbus and Ohio River Railroad Company | 2 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
DWC
| Canadian National Railways | 2 |
EEC
| East Erie Commercial Railroad | 14 |
FBOX
| TTX Company | 11 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 1 |
GMRC
| Green Mountain RR | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 7 |
GTRA
| Golden Triangle Railroad | 4 |
GTW
| Grand Trunk Western | 3 |
HS
| H and S Railroad Company | 3 |
IBT
| International Bridge and Terminal Company | 6 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 16 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LRS
| Laurinburg and Southern | 2 |
LW
| Louisville and Wadley Railway Company | 8 |
MB
| Meridian & Bigbee | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MEC
| Maine Central | 7 |
MP
| Missouri Pacific | 7 |
MQT
| Marquette Rail | 1 |
MRL
| Montana Rail Link | 1 |
MRS
| Manufacturers Railway | 1 |
MWCX
| Midwest Railcar Corporation | 4 |
NDYX
| First Union Rail | 1 |
NKP
| Nickel Plate | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 104 |
NW
| Norfolk & Western | 9 |
NYC
| New York Central | 5 |
OAR
| Old Augusta Railroad | 1 |
PAL
| Paducah & Louisville | 1 |
PLM
| PLM | 1 |
RBOX
| Railbox Company | 12 |
SMW
| St Marys Railway West LLC | 3 |
SNCF
| French National Railways | 1 |
SOU
| Southern | 68 |
SP
| Southern Pacific | 11 |
SRN
| Sabine River & Northern | 1 |
TBOX
| TTX Company | 36 |
TOBX
| TTX Company - Box Cars | 1 |
TOFX
| TTX Company - Box Cars | 2 |
TR
| Tomahawk Railway L.P. | 6 |
TSCX
| The Steel Company of Canada, Ltd. | 2 |
UP
| Union Pacific Railroad Company | 10 |
WC
| Wisconsin Central | 5 |
WCCL
| Wisconsin Central | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WECX
| Westinghouse Electric Corporation | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 2 |
WSOR
| Wisconsin & Southern | 2 |
WTRM
| Warren and Trumbull Railroad Company | 4 |