CHTT
| Chicago Heights Terminal Transfer | 3 |
CNW
| Chicago & Northwestern | 4 |
CSX
| CSX Railroad | 11 |
DME
| Dakota, Minnesota and Eastern | 10 |
DMM
| Dansville and Mount Morris Railroad Comp | 7 |
DRGW
| Denver & Rio Grande Western | 8 |
GNRR
| Georgia Northeastern | 2 |
GVSR
| Galveston Railroad L.P. | 4 |
HLMX
| Helm Financial Corporation | 1 |
LNAC
| Chattahoochee Bay Railroad, LLC | 1 |
LRS
| Laurinburg and Southern | 9 |
MET
| Modesto and Empire Traction Company | 12 |
MP
| Missouri Pacific | 10 |
MWCX
| Midwest Railcar Corporation | 1 |
NSHR
| North Shore | 4 |
SP
| Southern Pacific | 31 |
SSW
| St Louis Southwestern (Cotton Belt) | 28 |
STE
| Stockton Terminal and Eastern RR | 3 |
TCWR
| Twin Cities and Western | 3 |
UP
| Union Pacific Railroad Company | 23 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WP
| Western Pacific | 1 |
WSOR
| Wisconsin & Southern | 48 |
YARR
| Youngstown and Austintown Railroad | 1 |