AGR
| Alabama and Gulf Coast | 5 |
ALM
| Arkansas Louisiana and Mississippi Railr | 2 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
ASAB
| Bay Line Railroad LLC | 6 |
ATW
| Atlantic and Western | 1 |
BAEX
| Andersons | 4 |
BKTY
| Union Pacific Railroad Company | 19 |
BM
| Boston & Maine | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CIRR
| Chattahoochee Industrial Railroad | 8 |
CNW
| Chicago & Northwestern | 8 |
CP
| Canadian Pacific Railway | 1 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 11 |
EEC
| East Erie Commercial Railroad | 131 |
FGLK
| Finger Lakes Railway | 15 |
GMRC
| Green Mountain RR | 19 |
GTRA
| Golden Triangle Railroad | 1 |
HS
| H and S Railroad Company | 35 |
KCS
| Kansas City Southern | 18 |
KCSM
| Kansas City Southern De Mexico | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 9 |
LRS
| Laurinburg and Southern | 3 |
MB
| Meridian & Bigbee | 1 |
MEC
| Maine Central | 30 |
MMA
| Montreal, Maine & Atlantic | 14 |
MSDR
| Knoxville & Holston River Railroad | 3 |
MWCX
| Midwest Railcar Corporation | 1 |
NECR
| New England Central | 1 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 10 |
SGLR
| Seminole Gulf | 3 |
SIRX
| Southern Illinois Railcar Company | 8 |
SLR
| St Lawrence & Atlantic | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 4 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TASD
| Terminal Alabama State Docks | 2 |
VR
| Valdosta Railway | 2 |
WC
| Wisconsin Central | 6 |
WRWK
| Providence & Worchester Railroad | 3 |