CSX
| CSX Railroad | 8 |
HLMX
| Helm Financial Corporation | 1 |
ITGX
| Andersons - Railgroup | 1 |
NS
| Norfolk Southern | 3 |
NW
| Norfolk & Western | 6 |
RBMN
| Reading Blue Mountain & Northern | 3 |
SEMX
| Seminole Electric Cooperative | 1 |
SIRX
| Southern Illinois Railcar Company | 1 |
SOU
| Southern | 63 |