AOCX
| Aluminum Company of America | 3 |
BN
| Burlington Northern | 3 |
CN
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 4 |
CSX
| CSX Railroad | 8 |
EEC
| East Erie Commercial Railroad | 1 |
FURX
| First Union Rail | 1 |
GACX
| General American Marks Company | 2 |
NOKL
| Northwestern Oklahoma | 2 |
PLCX
| General Electric Rail Services | 1 |
SOO
| Soo Line | 6 |