BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 3 |
CSX
| CSX Railroad | 10 |
DKPX
| Duke Power | 1 |
GBRX
| Greenbrier Leasing Corporation | 1 |
HCSX
| Helm Chesapeake LLP | 1 |
HLMX
| Helm Financial Corporation | 1 |
HYWX
| Georgia Power Company | 3 |
IFRX
| Infinity Rail LLC | 1 |
LN
| Louisville & Nashville | 1 |
RWSX
| Scherer Electric Generating Facility (Ala.) | 2 |
SBD
| Seaboard System | 1 |
SOU
| Southern | 4 |