ADN
| Ashley Drew & Northern | 6 |
ALAB
| Alabama Railroad | 3 |
ALM
| Arkansas Louisiana and Mississippi Railr | 58 |
AM
| Arkansas & Missouri | 1 |
BPRR
| Buffalo and Pittsburgh | 66 |
CEFX
| CIT Group/Capital Finance, Inc | 8 |
CIC
| Cedar Rapids & Iowa City | 51 |
CIRR
| Chattahoochee Industrial Railroad | 18 |
CLC
| Columbia and Cowlitz Railway Company | 6 |
CNA
| Canadian National Railways | 5 |
CR
| Conrail | 2 |
CRLE
| Coe Rail Incorporated | 160 |
CSX
| CSX Railroad | 27 |
DME
| Dakota, Minnesota and Eastern | 24 |
DWC
| Canadian National Railways | 23 |
EEC
| East Erie Commercial Railroad | 8 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 5 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
GLSR
| Gloster Southern Railroad Corporation | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 36 |
GVSR
| Galveston Railroad L.P. | 26 |
HS
| H and S Railroad Company | 28 |
IANR
| Iowa Northern Ry | 1 |
IATR
| Iowa Traction Railroad Company | 74 |
LBR
| Lowville and Beaver River Railroad Compa | 13 |
LSRC
| Lake State Railway Company | 14 |
LVRC
| Lamoille Valley | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 40 |
MP
| Missouri Pacific | 11 |
NADX
| General Electric Rail Services | 19 |
NOKL
| Northwestern Oklahoma | 27 |
NS
| Norfolk Southern | 70 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 20 |
OAR
| Old Augusta Railroad | 1 |
PDRR
| Pee Dee River RR | 9 |
SLC
| San Luis Central Railroad Company | 30 |
SMW
| St Marys Railway West LLC | 2 |
SOU
| Southern | 12 |
SP
| Southern Pacific | 425 |
SRAX
| Southern Rail Associates | 4 |
SRN
| Sabine River & Northern | 2 |
SRY
| Southern Railway of British Columbia Lim | 3 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 37 |
TASD
| Terminal Alabama State Docks | 6 |
TOE
| Texas Oklahoma and Eastern RR Company | 17 |
TSBY
| Great Lakes Central Railroad | 1 |
UP
| Union Pacific Railroad Company | 24 |
WCCL
| Wisconsin Central | 31 |
WCOR
| Wellsboro and Corning Railroad Company | 6 |
WCTR
| WCTU Company White City Terminal Railway | 10 |
WLO
| Waterloo Railway Company (Illinois Central) | 11 |
WP
| Western Pacific | 28 |
WRWK
| Providence & Worchester Railroad | 1 |
YARR
| Youngstown and Austintown Railroad | 14 |
YB
| Youngstown Belt Railroad Company | 4 |
YKR
| York Rail | 2 |