CR
| Conrail | 1 |
CSX
| CSX Railroad | 4 |
FURX
| First Union Rail | 2 |
GCCX
| General American Marks Company | 3 |
INTX
| Interstate Commodities Inc. | 1 |
IOCR
| Indiana and Ohio Central Railroad | 2 |
LCGX
| Cargill Incorporated C.G.D. Division | 1 |
LN
| Louisville & Nashville | 1 |
MMRR
| Mid-Michigan Railroad Incorporated | 1 |
NAHX
| General Electric Rail Services | 2 |
NDYX
| First Union Rail | 4 |
NOKL
| Northwestern Oklahoma | 2 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 1 |
PLCX
| General Electric Rail Services | 1 |
RFMX
| Caldwell-Baker Company | 2 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
SBD
| Seaboard System | 1 |
SOO
| Soo Line | 4 |