ATSF
| Atchison Topeka & Santa Fe | 1 |
ATTX
| TTX Company - Container Flats | 2 |
BNSF
| BNSF Railway | 1 |
BVRY
| Brandywine Valley Railroad Company | 2 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 11 |
DODX
| Department Of Defense | 7 |
FEC
| Florida East Coast | 24 |
FTTX
| TTX Company | 2 |
GADX
| SAB Trucking, Inc | 14 |
GIMX
| General American Marks Company | 46 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 2 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 4 |
HTTX
| TTX Company | 1 |
ITTX
| TTX Company | 4 |
KTTX
| TTX Company | 1 |
MTTX
| TTX Company | 20 |
NJRC
| New Jersey Rail Carrier LLC | 1 |
NS
| Norfolk Southern | 2 |
NYC
| New York Central | 1 |
OTTX
| TTX Company | 17 |
PRR
| Pennsylvania Railroad | 1 |
PTTX
| TTX Company | 4 |
QTTX
| TTX Company | 1 |
REGX
| Regus Industries LLC | 1 |
RTTX
| TTX Company | 60 |
SBD
| Seaboard System | 1 |
SFS
| Santa Fe Southern | 1 |
SOU
| Southern | 7 |
TTCX
| TTX Company | 1 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 44 |
TTWX
| TTX Company | 2 |
UP
| Union Pacific Railroad Company | 1 |
UPCX
| Clean Harbors Environmental Sciences, Inc. | 3 |
XTTX
| TTX Company | 10 |