AOK
| Arkansas-Oklahoma Railroad | 34 |
AOKX
| Greenbrier Management Services, LLC | 3 |
ATW
| Atlantic and Western | 3 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 18 |
CAGY
| Columbus & Greenville Railway | 8 |
CGLX
| GATX Rail Canada | 3 |
CHTT
| Chicago Heights Terminal Transfer | 36 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 14 |
CN
| Canadian National Railways | 6 |
COER
| Crab Orchard & Egyptian | 11 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 37 |
CRLE
| Coe Rail Incorporated | 1 |
CSS
| Chicago South Shore And South Bend | 32 |
CSX
| CSX Railroad | 227 |
CTRN
| Union Pacific Railroad Company | 10 |
DLRX
| General Electric Rail Services | 3 |
FURX
| First Union Rail | 16 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 1 |
GRW
| Gary Railway | 22 |
HS
| H and S Railroad Company | 6 |
IC
| Illinois Central | 1 |
IHB
| Indiana Harbor Belt | 45 |
KCS
| Kansas City Southern | 12 |
LRS
| Laurinburg and Southern | 2 |
LW
| Louisville and Wadley Railway Company | 20 |
MBKX
| Mitsui Rail Capital | 2 |
MP
| Missouri Pacific | 8 |
NDYX
| First Union Rail | 8 |
NOKL
| Northwestern Oklahoma | 7 |
NS
| Norfolk Southern | 570 |
NYC
| New York Central | 7 |
SMW
| St Marys Railway West LLC | 5 |
TFM
| Kansas City Southern De Mexico | 3 |
TR
| Tomahawk Railway L.P. | 6 |
UP
| Union Pacific Railroad Company | 31 |
WE
| Wheeling & Lake Erie | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |
WRWK
| Providence & Worchester Railroad | 17 |