CHUX
| US Ecology Idaho, Inc. | 2 |
GRW
| Gary Railway | 2 |
ICG
| Illinois Central Gulf | 1 |
IHB
| Indiana Harbor Belt | 2 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NORX
| Northern Indiana Public Service Company | 1 |
NS
| Norfolk Southern | 2 |
TILX
| Trinity Industries Leasing Company | 4 |
WC
| Wisconsin Central | 1 |
WPSX
| Wisconsin Public Service | 2 |