AEPX
| American Electric Power | 4 |
BN
| Burlington Northern | 1 |
BNBX
| Greenbrier Management Services, LLC | 1 |
BNSF
| BNSF Railway | 4 |
ETRX
| Arkansas Power and Light Company | 2 |
FURX
| First Union Rail | 1 |
GEMX
| General Electric Rail Services | 1 |
GGPX
| General American Marks Company | 1 |
NDYX
| First Union Rail | 2 |
NORX
| Northern Indiana Public Service Company | 2 |
OGEX
| Oklahoma Gas and Electric Company | 1 |