AA
| Ann Arbor | 1 |
ABOX
| TTX Company | 1 |
ACL
| Atlantic Coast Line | 1 |
ACY
| Akron, Canton & Youngstown | 1 |
ADN
| Ashley Drew & Northern | 2 |
AHW
| Fox Valley and Western Limited | 1 |
ALAB
| Alabama Railroad | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 2 |
AMR
| Arcata & Mad River | 2 |
AMTK
| Amtrak | 1 |
AN
| Apalachicola Northern | 2 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
ARCX
| Arizona Rail Car Incorporated | 2 |
ARR
| Alaska Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 18 |
ATW
| Atlantic and Western | 4 |
AZER
| Arizona Eastern Railway Company | 3 |
BCH
| Southern Railway of British Columbia Limited | 1 |
BCIT
| Canadian National Railways | 2 |
BCOL
| Canadian National Railways | 1 |
BKTY
| Union Pacific Railroad Company | 2 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 7 |
BO
| Baltimore & Ohio | 2 |
CAD
| Cadiz Railroad | 1 |
CAGY
| Columbus & Greenville Railway | 4 |
CBQ
| Chicago Burlington & Quincy | 5 |
CEI
| Chicago & Eastern Illinois | 1 |
CFPX
| CFPX | 1 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 2 |
CN
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 6 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 1 |
COP
| City of Prineville Railway | 1 |
CP
| Canadian Pacific Railway | 4 |
CPLT
| CAMINO, PLACERVILLE & LAKE TAHOE RAILROAD CO. | 1 |
CR
| Conrail | 2 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 6 |
CVC
| Canadian National Railways | 1 |
DH
| Delaware & Hudson | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
DWC
| Canadian National Railways | 3 |
EEC
| East Erie Commercial Railroad | 2 |
EJE
| Elgin Joliet and Eastern | 1 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
EN
| Esquimalt & Nanaimo | 1 |
FBOX
| TTX Company | 1 |
FCRD
| First Coast Railway | 1 |
FSRR
| FerroSur | 2 |
FXE
| Ferromex | 3 |
GBW
| Green Bay & Western | 2 |
GN
| Great Northern | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTRA
| Golden Triangle Railroad | 2 |
GTW
| Grand Trunk Western | 1 |
GWR
| Great Western Railway Company | 1 |
IANR
| Iowa Northern Ry | 7 |
IATR
| Iowa Traction Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 1 |
IC
| Illinois Central | 6 |
ITC
| Illinois Terminal Railroad | 2 |
KCS
| Kansas City Southern | 4 |
LAPX
| Linde Air Products Co. | 1 |
LCRC
| Lenawee County Railroad | 1 |
LN
| Louisville & Nashville | 5 |
LOAM
| Lousiana Midland | 1 |
LPN
| Longview, Portland & Northern | 1 |
LRS
| Laurinburg and Southern | 1 |
LSI
| Lake Superior and Ishpeming Railroad | 1 |
LUNX
| General Electric Rail Services | 2 |
LVRC
| Lamoille Valley | 2 |
MB
| Meridian & Bigbee | 3 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MEC
| Maine Central | 7 |
MI
| Missouri & Illinois | 1 |
MILW
| Milwaukee Road | 15 |
MISS
| Mississippian Railway Cooperative Incorporated | 1 |
MKT
| Missouri-Kansas-Texas | 7 |
MNS
| Minneapolis Northfield & Southern | 4 |
MON
| Monon Route | 1 |
MP
| Missouri Pacific | 8 |
MPA
| Maryland and Pennsylvania Railroad | 1 |
MR
| McCloud Railway Company | 1 |
MRS
| Manufacturers Railway | 1 |
MSE
| Mississippi Export Railroad Company | 1 |
MTR
| Montour RR | 1 |
MTW
| Marinette Tomahawk & Western | 1 |
NDEM
| NDEM | 4 |
NFD
| Norfolk, Franklin and Danville | 1 |
NHIR
| New Hope & Ivyland | 2 |
NIRX
| General Electric Rail Services | 2 |
NJII
| New Jersey, Indiana and Illinois | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NKP
| Nickel Plate | 1 |
NLG
| Kansas City Southern Railway Company (North Louisiana & Gulf) | 1 |
NOKL
| Northwestern Oklahoma | 3 |
NP
| Northern Pacific | 6 |
NS
| Norfolk Southern | 4 |
NSRC
| North Stratford RR | 1 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 4 |
PC
| Penn Central | 4 |
PGE
| Pacific Great Eastern | 1 |
PHD
| Port Huron and Detroit Railroad Company | 1 |
PLE
| Pittsburgh & Lake Erie | 2 |
PLYX
| US Plywood | 1 |
PRR
| Pennsylvania Railroad | 2 |
QC
| Quebec Central | 1 |
RBBQ
| Chicago, Burlington and Quincy Reefers | 1 |
RBOX
| Railbox Company | 10 |
RDG
| Reading Railroad | 6 |
RI
| RI | 3 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
ROCK
| Rock Island | 1 |
SAL
| Seaboard Air Line | 6 |
SBC
| Ferrocarril Sonora Baja California | 2 |
SCFX
| SCFX | 1 |
SCL
| Seaboard Coast Line | 3 |
SCOP
| SCOP | 1 |
SERA
| Sierra Northern Railway | 2 |
SFRB
| Santa Fe | 1 |
SLSF
| Saint Louis-San Francisco | 7 |
SN
| Sacramento Northern | 1 |
SOO
| Soo Line | 3 |
SOU
| Southern | 19 |
SP
| Southern Pacific | 16 |
SPS
| Spokane Portland & Seattle | 2 |
SRN
| Sabine River & Northern | 4 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
STMA
| St. Maries River Railroad Company | 2 |
TBOX
| TTX Company | 9 |
TM
| Texas-Mexican | 2 |
TOBX
| TTX Company - Box Cars | 1 |
TP
| Texas & Pacific | 1 |
TR
| Tomahawk Railway L.P. | 1 |
TS
| Texas Southern | 1 |
UO
| Union Railway of Oregon | 1 |
UP
| Union Pacific Railroad Company | 16 |
USLX
| General Electric Rail Services | 4 |
VC
| Virginia Central Railway | 1 |
VNOR
| VNOR | 1 |
VSO
| Valdosta Southern | 1 |
VTR
| Vermont Railway | 1 |
WA
| Washington & Atlanta Railroad | 1 |
WAB
| Wabash | 2 |
WC
| Wisconsin Central | 3 |
WCRC
| Washington Central | 2 |
WCTR
| WCTU Company White City Terminal Railway | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WM
| Western Maryland | 1 |
WOV
| Warren & Ouachita Valley | 1 |
WP
| Western Pacific | 7 |
WRWK
| Providence & Worchester Railroad | 3 |
WVRC
| WABASH VALLEY RAILROAD CO. | 1 |
YS
| Youngstown Southern Ry | 1 |
YW
| Yreka Western Railroad Company | 3 |