AOK
| Arkansas-Oklahoma Railroad | 57 |
ATW
| Atlantic and Western | 14 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 52 |
CAGY
| Columbus & Greenville Railway | 10 |
CHTT
| Chicago Heights Terminal Transfer | 10 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 1 |
CN
| Canadian National Railways | 47 |
COER
| Crab Orchard & Egyptian | 11 |
CP
| Canadian Pacific Railway | 12 |
CR
| Conrail | 387 |
CRLE
| Coe Rail Incorporated | 1 |
CSS
| Chicago South Shore And South Bend | 147 |
CSX
| CSX Railroad | 839 |
CTRN
| Union Pacific Railroad Company | 23 |
DLRX
| General Electric Rail Services | 33 |
EJE
| Elgin Joliet and Eastern | 364 |
FURX
| First Union Rail | 1 |
GRW
| Gary Railway | 164 |
GTW
| Grand Trunk Western | 2 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 22 |
ICE
| Iowa Chicago and Eastern | 85 |
IHB
| Indiana Harbor Belt | 254 |
IMRL
| I&M Rail Link | 7 |
INLX
| Incoal Company | 58 |
KCS
| Kansas City Southern | 10 |
LRS
| Laurinburg and Southern | 13 |
LW
| Louisville and Wadley Railway Company | 38 |
MBKX
| Mitsui Rail Capital | 8 |
MP
| Missouri Pacific | 15 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 55 |
NS
| Norfolk Southern | 4773 |
NYC
| New York Central | 27 |
SCIH
| South Chicago & Indiana Harbor Railway C | 57 |
SMW
| St Marys Railway West LLC | 19 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 8 |
TFM
| Kansas City Southern De Mexico | 10 |
TR
| Tomahawk Railway L.P. | 61 |
UP
| Union Pacific Railroad Company | 112 |
WE
| Wheeling & Lake Erie | 83 |
WRWK
| Providence & Worchester Railroad | 7 |