BISX
| Brandenburg Industrial Service Co | 4 |
BO
| Baltimore & Ohio | 1 |
CN
| Canadian National Railways | 1 |
CR
| Conrail | 16 |
CSX
| CSX Railroad | 7 |
DJJX
| Joseph Transportation Incorporated | 3 |
DREX
| Wilmot Transportation and Logistics | 1 |
GNBC
| Grainbelt Corporation | 1 |
GONX
| Railgon Company | 1 |
HLMX
| Helm Financial Corporation | 1 |
IC
| Illinois Central | 1 |
JTIX
| David J Joseph Company | 1 |
MLMX
| Metal Management Inc. | 2 |
MRRX
| Murphy Road Recycling LLC | 1 |
NDYX
| First Union Rail | 3 |
NOKL
| Northwestern Oklahoma | 10 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 30 |
NSHR
| North Shore | 1 |
NW
| Norfolk & Western | 12 |
NYC
| New York Central | 2 |
PC
| Penn Central | 1 |
SOM
| Somerset Railroad Corporation | 7 |
SOU
| Southern | 18 |
TR
| Tomahawk Railway L.P. | 2 |