BNSF
| BNSF Railway | 1 |
BO
| Baltimore & Ohio | 1 |
DODX
| Department Of Defense | 9 |
FEC
| Florida East Coast | 2 |
FURX
| First Union Rail | 1 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
KRL
| Kasgro Rail Lines | 2 |
LN
| Louisville & Nashville | 1 |
OTTX
| TTX Company | 2 |
PTTX
| TTX Company | 2 |
TTI
| Transkentucky Transportation | 1 |
USAX
| United States Army | 14 |