AOK
| Arkansas-Oklahoma Railroad | 5 |
ATW
| Atlantic and Western | 3 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 24 |
CAGY
| Columbus & Greenville Railway | 1 |
CHTT
| Chicago Heights Terminal Transfer | 22 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 11 |
COER
| Crab Orchard & Egyptian | 16 |
CRLE
| Coe Rail Incorporated | 1 |
CSS
| Chicago South Shore And South Bend | 5 |
CSX
| CSX Railroad | 78 |
CTRN
| Union Pacific Railroad Company | 3 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 1 |
GRW
| Gary Railway | 1 |
HS
| H and S Railroad Company | 3 |
IHB
| Indiana Harbor Belt | 2 |
KCS
| Kansas City Southern | 7 |
LW
| Louisville and Wadley Railway Company | 14 |
MBKX
| Mitsui Rail Capital | 2 |
MP
| Missouri Pacific | 6 |
MULX
| MULX | 3 |
NDYX
| First Union Rail | 3 |
NOKL
| Northwestern Oklahoma | 34 |
NS
| Norfolk Southern | 33 |
NYC
| New York Central | 7 |
SCIH
| South Chicago & Indiana Harbor Railway C | 5 |
TFM
| Kansas City Southern De Mexico | 5 |
TILX
| Trinity Industries Leasing Company | 20 |
TR
| Tomahawk Railway L.P. | 3 |
UP
| Union Pacific Railroad Company | 19 |
WE
| Wheeling & Lake Erie | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 4 |
WRWK
| Providence & Worchester Railroad | 3 |