CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 3 |
CSX
| CSX Railroad | 1 |
DODX
| Department Of Defense | 3 |
DSEX
| East Carbon Development Company | 6 |
FICX
| Frontier Industrial Corp | 5 |
HTTX
| TTX Company | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
ITTX
| TTX Company | 3 |
JTTX
| TTX Company | 2 |
KRL
| Kasgro Rail Lines | 12 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
MTTX
| TTX Company | 3 |
NS
| Norfolk Southern | 2 |
NWSX
| NEW YORK RAIL LOGISTICS LLC | 1 |
NYC
| New York Central | 4 |
OTTX
| TTX Company | 23 |
PTTX
| TTX Company | 18 |
QTTX
| TTX Company | 3 |
RTTX
| TTX Company | 2 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 3 |
TTMX
| TTX Company | 8 |
YARR
| Youngstown and Austintown Railroad | 1 |