AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 8 |
BNSF
| BNSF Railway | 10 |
CGLX
| GATX Rail Canada | 1 |
CHTT
| Chicago Heights Terminal Transfer | 15 |
CN
| Canadian National Railways | 7 |
CNW
| Chicago & Northwestern | 18 |
COER
| Crab Orchard & Egyptian | 1 |
CR
| Conrail | 86 |
CSS
| Chicago South Shore And South Bend | 7 |
CSX
| CSX Railroad | 39 |
CTRN
| Union Pacific Railroad Company | 7 |
DLRX
| General Electric Rail Services | 4 |
DRLX
| DRLX | 4 |
EJE
| Elgin Joliet and Eastern | 1 |
GRW
| Gary Railway | 3 |
GTW
| Grand Trunk Western | 12 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 13 |
ICG
| Illinois Central Gulf | 5 |
KCS
| Kansas City Southern | 8 |
LRS
| Laurinburg and Southern | 2 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 14 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 72 |
NSAX
| National Steel Corporation | 2 |
NW
| Norfolk & Western | 15 |
NYC
| New York Central | 27 |
RVPR
| Riverport R.R., L.L.C. | 3 |
SCIH
| South Chicago & Indiana Harbor Railway C | 1 |
SMW
| St Marys Railway West LLC | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 20 |
SP
| Southern Pacific | 3 |
TFM
| Kansas City Southern De Mexico | 3 |
UP
| Union Pacific Railroad Company | 24 |
WRWK
| Providence & Worchester Railroad | 5 |