AGLF
| Knoxville & Holston River Railroad | 1 |
AGR
| Alabama and Gulf Coast | 1 |
ALAB
| Alabama Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 54 |
ATW
| Atlantic and Western | 5 |
BN
| Burlington Northern | 4 |
BNSF
| BNSF Railway | 1 |
CAGY
| Columbus & Greenville Railway | 1 |
CP
| Canadian Pacific Railway | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
DVS
| Delta Valley and Southern Railway Compan | 3 |
EEC
| East Erie Commercial Railroad | 4 |
GMRC
| Green Mountain RR | 3 |
GN
| Great Northern | 1 |
GTW
| Grand Trunk Western | 2 |
HLMX
| Helm Financial Corporation | 1 |
IATR
| Iowa Traction Railroad Company | 2 |
ITLX
| General Electric Rail Services | 1 |
KCS
| Kansas City Southern | 1 |
KJRY
| Keokuk Junction | 2 |
LNAC
| Chattahoochee Bay Railroad, LLC | 1 |
LRWN
| Little Rock & Western | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MP
| Missouri Pacific | 2 |
NERR
| Nashville and Eastern | 1 |
NOKL
| Northwestern Oklahoma | 3 |
NP
| Northern Pacific | 1 |
PC
| Penn Central | 1 |
RBOX
| Railbox Company | 1 |
RGCX
| Rio Grande Chemical LTD | 1 |
SFLC
| BNSF Railway | 6 |
SLSF
| Saint Louis-San Francisco | 2 |
SOU
| Southern | 1 |
SRN
| Sabine River & Northern | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 4 |
TSI
| TSI | 1 |
UP
| Union Pacific Railroad Company | 2 |
WAB
| Wabash | 1 |
WCCL
| Wisconsin Central | 1 |