AOK
| Arkansas-Oklahoma Railroad | 4 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 5 |
CMHX
| CarMath Incorporated | 3 |
CP
| Canadian Pacific Railway | 3 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 1 |
DWC
| Canadian National Railways | 14 |
HS
| H and S Railroad Company | 3 |
IATR
| Iowa Traction Railroad Company | 1 |
KCS
| Kansas City Southern | 19 |
LW
| Louisville and Wadley Railway Company | 7 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 6 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 2 |
TBOX
| TTX Company | 52 |
TFM
| Kansas City Southern De Mexico | 5 |
TR
| Tomahawk Railway L.P. | 7 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 1 |