AC
| Algoma Central | 11 |
ASCX
| ARMCO Steel Company | 4 |
BN
| Burlington Northern | 1 |
CN
| Canadian National Railways | 7 |
GLMX
| Legault Metal Inc. | 12 |
IC
| Illinois Central | 3 |
MHFX
| MHF Logistical Solutions Incorporated | 1 |
MWCX
| Midwest Railcar Corporation | 5 |
NOKL
| Northwestern Oklahoma | 3 |
ONT
| Ontario Northland Railway | 11 |
RGCX
| Rio Grande Chemical LTD | 1 |
SBD
| Seaboard System | 1 |
WC
| Wisconsin Central | 3 |