ATTX
| TTX Company - Container Flats | 1 |
CSX
| CSX Railroad | 1 |
CW
| Colorado and Wyoming | 1 |
ESHR
| Eastern Shore Railroad | 1 |
HESX
| Heritage Environmental Services | 1 |
HTTX
| TTX Company | 2 |
IFRX
| Infinity Rail LLC | 1 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
PTTX
| TTX Company | 1 |
UP
| Union Pacific Railroad Company | 2 |