AERC
| Albany and Eastern Railroad Company | 1 |
AGLF
| Knoxville & Holston River Railroad | 1 |
ALAB
| Alabama Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BAEX
| Andersons | 1 |
BAYL
| Bay Line, LLC | 1 |
BFBX
| Bakery Feeds, Division of Griffin Indust | 2 |
BM
| Boston & Maine | 1 |
BNSF
| BNSF Railway | 1 |
BR
| Buffalo and Pittsburgh | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CGR
| CG Railway, Inc | 1 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CIC
| Cedar Rapids & Iowa City | 5 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CN
| Canadian National Railways | 3 |
CNA
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
CPAA
| Canadian Pacific Railway | 2 |
CR
| Conrail | 14 |
CSX
| CSX Railroad | 4 |
CUOH
| Columbus and Ohio River Railroad Company | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
EEC
| East Erie Commercial Railroad | 2 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 2 |
FCRD
| First Coast Railway | 1 |
GFRR
| Georgia and Florida Railnet | 2 |
GMRC
| Green Mountain RR | 3 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 1 |
IATR
| Iowa Traction Railroad Company | 3 |
ICG
| Illinois Central Gulf | 1 |
LC
| Lancaster & Chester | 1 |
MB
| Meridian & Bigbee | 1 |
MCSA
| Moscow Camden and San Augustine Railroad | 1 |
MET
| Modesto and Empire Traction Company | 1 |
MILW
| Milwaukee Road | 1 |
MP
| Missouri Pacific | 1 |
MQT
| Marquette Rail | 1 |
MSDR
| Knoxville & Holston River Railroad | 2 |
MSRC
| Kansas City Southern | 1 |
NADX
| General Electric Rail Services | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NSHR
| North Shore | 1 |
NW
| Norfolk & Western | 2 |
ONT
| Ontario Northland Railway | 1 |
PC
| Penn Central | 2 |
PRL
| Penn Eastern Rail Lines Incorporated | 1 |
SLR
| St Lawrence & Atlantic | 1 |
SOU
| Southern | 7 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TCWR
| Twin Cities and Western | 1 |
UELX
| ADM Transportation Company | 1 |
VR
| Valdosta Railway | 1 |
WCCL
| Wisconsin Central | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 5 |
WCTR
| WCTU Company White City Terminal Railway | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 1 |
WTRM
| Warren and Trumbull Railroad Company | 1 |