BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 11 |
CMHX
| CarMath Incorporated | 1 |
CNW
| Chicago & Northwestern | 1 |
CSX
| CSX Railroad | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 1 |
HCGX
| COMPASS MINERALS INTERNATIONAL INC | 1 |
HS
| H and S Railroad Company | 1 |
MP
| Missouri Pacific | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NP
| Northern Pacific | 1 |
RBOX
| Railbox Company | 1 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TBOX
| TTX Company | 2 |
UP
| Union Pacific Railroad Company | 2 |