ARR
| Alaska Railroad | 7 |
ATTX
| TTX Company - Container Flats | 1 |
BN
| Burlington Northern | 6 |
BNSF
| BNSF Railway | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 3 |
DODX
| Department Of Defense | 2 |
DSEX
| East Carbon Development Company | 1 |
ELKX
| Elkem Metals Company | 1 |
FURX
| First Union Rail | 1 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
HPAX
| International Paper Company | 1 |
HS
| H and S Railroad Company | 1 |
IPCX
| International Paper Company | 3 |
ITTX
| TTX Company | 2 |
MTTX
| TTX Company | 1 |
PTTX
| TTX Company | 1 |
QTTX
| TTX Company | 4 |
SBD
| Seaboard System | 1 |
SRLX
| Southern Rail Leasing Incorporated | 1 |
TTCX
| TTX Company | 1 |
VTTX
| TTX Company | 1 |
XTTX
| TTX Company | 1 |