AOK
| Arkansas-Oklahoma Railroad | 5 |
ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 11 |
BNSF
| BNSF Railway | 35 |
CAGY
| Columbus & Greenville Railway | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 1 |
CN
| Canadian National Railways | 53 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 21 |
CSS
| Chicago South Shore And South Bend | 53 |
CSX
| CSX Railroad | 97 |
CTRN
| Union Pacific Railroad Company | 1 |
CTW
| CTW | 1 |
EJE
| Elgin Joliet and Eastern | 3 |
FURX
| First Union Rail | 2 |
GACX
| General American Marks Company | 1 |
GRW
| Gary Railway | 255 |
GTW
| Grand Trunk Western | 166 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 17 |
IHB
| Indiana Harbor Belt | 60 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 13 |
LW
| Louisville and Wadley Railway Company | 4 |
MBKX
| Mitsui Rail Capital | 7 |
MP
| Missouri Pacific | 2 |
NDYX
| First Union Rail | 2 |
NOKL
| Northwestern Oklahoma | 17 |
NS
| Norfolk Southern | 73 |
NSAX
| National Steel Corporation | 6 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 17 |
SMW
| St Marys Railway West LLC | 34 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 1 |
TR
| Tomahawk Railway L.P. | 9 |
UP
| Union Pacific Railroad Company | 14 |
WC
| Wisconsin Central | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 2 |