AOK
| Arkansas-Oklahoma Railroad | 3 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 1 |
CAGY
| Columbus & Greenville Railway | 3 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 3 |
CN
| Canadian National Railways | 3 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 6 |
CSS
| Chicago South Shore And South Bend | 7 |
CSX
| CSX Railroad | 7 |
CTRN
| Union Pacific Railroad Company | 1 |
DLRX
| General Electric Rail Services | 1 |
GRW
| Gary Railway | 4 |
IC
| Illinois Central | 2 |
IHB
| Indiana Harbor Belt | 5 |
INLX
| Incoal Company | 1 |
KCS
| Kansas City Southern | 2 |
MBKX
| Mitsui Rail Capital | 1 |
MP
| Missouri Pacific | 1 |
NS
| Norfolk Southern | 20 |
NYC
| New York Central | 1 |
TR
| Tomahawk Railway L.P. | 1 |
WRWK
| Providence & Worchester Railroad | 3 |