AOK
| Arkansas-Oklahoma Railroad | 87 |
BFBX
| Bakery Feeds, Division of Griffin Indust | 8 |
FSR
| Fort Smith Railroad Company | 1 |
HLMX
| Helm Financial Corporation | 1 |
IBT
| International Bridge and Terminal Company | 88 |
MWCX
| Midwest Railcar Corporation | 10 |
WCOR
| Wellsboro and Corning Railroad Company | 3 |