AOK
| Arkansas-Oklahoma Railroad | 11 |
ATW
| Atlantic and Western | 5 |
BNSF
| BNSF Railway | 59 |
CHTT
| Chicago Heights Terminal Transfer | 22 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 3 |
COER
| Crab Orchard & Egyptian | 44 |
DJJX
| Joseph Transportation Incorporated | 5 |
FXE
| Ferromex | 3 |
GNTX
| TTX Company | 74 |
IAIS
| Iowa Interstate | 3 |
IC
| Illinois Central | 1 |
KCSM
| Kansas City Southern De Mexico | 1 |
LW
| Louisville and Wadley Railway Company | 3 |
MRL
| Montana Rail Link | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 3 |
ROMX
| ROMX | 1 |
SMIX
| Structural Metals Incorporated | 347 |
SOXX
| SMBC RAIL SERVICES LLC | 2 |
TCMX
| CIT Group/Capital Finance, Inc | 1 |
TILX
| Trinity Industries Leasing Company | 3 |
TYOX
| The Tie Yard Of Omaha Inc. | 2 |
UCRY
| Utah Central | 16 |
UP
| Union Pacific Railroad Company | 10 |