AOK
| Arkansas-Oklahoma Railroad | 6 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 14 |
CHTT
| Chicago Heights Terminal Transfer | 8 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 2 |
COER
| Crab Orchard & Egyptian | 1 |
CR
| Conrail | 32 |
CSS
| Chicago South Shore And South Bend | 31 |
CSX
| CSX Railroad | 172 |
CTRN
| Union Pacific Railroad Company | 1 |
DLRX
| General Electric Rail Services | 1 |
GRW
| Gary Railway | 10 |
GTW
| Grand Trunk Western | 2 |
IHB
| Indiana Harbor Belt | 10 |
MBKX
| Mitsui Rail Capital | 3 |
MP
| Missouri Pacific | 5 |
NKLX
| NKLX | 2 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 37 |
NSAX
| National Steel Corporation | 1 |
NW
| Norfolk & Western | 5 |
NYC
| New York Central | 21 |
TILX
| Trinity Industries Leasing Company | 3 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 19 |
WRWK
| Providence & Worchester Railroad | 15 |