ANGX
| Andersons - Railgroup | 2 |
ATSF
| Atchison Topeka & Santa Fe | 16 |
ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 25 |
BR
| Buffalo and Pittsburgh | 3 |
CHTT
| Chicago Heights Terminal Transfer | 21 |
CKIX
| C.K. Industries | 5 |
CMHX
| CarMath Incorporated | 3 |
CNW
| Chicago & Northwestern | 2 |
CR
| Conrail | 6 |
CSX
| CSX Railroad | 49 |
DJTX
| Joseph Transportation Incorporated | 1 |
DME
| Dakota, Minnesota and Eastern | 35 |
DMM
| Dansville and Mount Morris Railroad Comp | 17 |
DRGW
| Denver & Rio Grande Western | 13 |
FRR
| Falls Road Railroad Company Incorporated | 2 |
GFRR
| Georgia and Florida Railnet | 1 |
GNRR
| Georgia Northeastern | 9 |
GVSR
| Galveston Railroad L.P. | 139 |
HLMX
| Helm Financial Corporation | 8 |
HPJX
| Helm-Pacific Leasing | 3 |
HS
| H and S Railroad Company | 22 |
IANR
| Iowa Northern Ry | 2 |
IATR
| Iowa Traction Railroad Company | 4 |
LNAC
| Chattahoochee Bay Railroad, LLC | 7 |
LRS
| Laurinburg and Southern | 8 |
MET
| Modesto and Empire Traction Company | 63 |
MP
| Missouri Pacific | 26 |
MR
| McCloud Railway Company | 11 |
MWCX
| Midwest Railcar Corporation | 3 |
NS
| Norfolk Southern | 2 |
NSHR
| North Shore | 19 |
RMGX
| Andersons - Railgroup | 1 |
SFLC
| BNSF Railway | 4 |
SLGG
| Progress Rail Services Corporation | 1 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 85 |
SSW
| St Louis Southwestern (Cotton Belt) | 63 |
STE
| Stockton Terminal and Eastern RR | 20 |
SVRR
| Shamokin Valley Railroad Company | 2 |
TCWR
| Twin Cities and Western | 10 |
UP
| Union Pacific Railroad Company | 88 |
USLX
| General Electric Rail Services | 16 |
VCY
| Galveston Railroad, L.P. | 7 |
WC
| Wisconsin Central | 3 |
WCCL
| Wisconsin Central | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 15 |
WE
| Wheeling & Lake Erie | 3 |
WSOR
| Wisconsin & Southern | 140 |
YARR
| Youngstown and Austintown Railroad | 5 |
YKR
| York Rail | 8 |