AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 3 |
BNSF
| BNSF Railway | 2 |
CGLX
| GATX Rail Canada | 1 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 3 |
CN
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 5 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 45 |
CSS
| Chicago South Shore And South Bend | 3 |
CSX
| CSX Railroad | 9 |
CTRN
| Union Pacific Railroad Company | 1 |
DLRX
| General Electric Rail Services | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
EJE
| Elgin Joliet and Eastern | 5 |
FURX
| First Union Rail | 1 |
FXE
| Ferromex | 2 |
GRW
| Gary Railway | 36 |
GTW
| Grand Trunk Western | 13 |
IC
| Illinois Central | 5 |
IHB
| Indiana Harbor Belt | 11 |
INLX
| Incoal Company | 6 |
MKT
| Missouri-Kansas-Texas | 3 |
MP
| Missouri Pacific | 12 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 23 |
NSAX
| National Steel Corporation | 11 |
NW
| Norfolk & Western | 7 |
NYC
| New York Central | 12 |
RJCW
| R.J. Corman Railroad Company/ Western Ohio Line | 1 |
SCIH
| South Chicago & Indiana Harbor Railway C | 3 |
SMW
| St Marys Railway West LLC | 4 |
SOU
| Southern | 7 |
SP
| Southern Pacific | 1 |
UP
| Union Pacific Railroad Company | 12 |