AOK
| Arkansas-Oklahoma Railroad | 11 |
ATW
| Atlantic and Western | 12 |
BNSF
| BNSF Railway | 48 |
CHTT
| Chicago Heights Terminal Transfer | 18 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 3 |
COER
| Crab Orchard & Egyptian | 39 |
CSX
| CSX Railroad | 1 |
DJJX
| Joseph Transportation Incorporated | 3 |
FXE
| Ferromex | 1 |
GNTX
| TTX Company | 41 |
IAIS
| Iowa Interstate | 4 |
IC
| Illinois Central | 1 |
LW
| Louisville and Wadley Railway Company | 6 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 8 |
ROMX
| ROMX | 1 |
SFLC
| BNSF Railway | 5 |
SMIX
| Structural Metals Incorporated | 328 |
TILX
| Trinity Industries Leasing Company | 2 |
UCRY
| Utah Central | 22 |
UP
| Union Pacific Railroad Company | 8 |