ACL
| Atlantic Coast Line | 1 |
AR
| Aberdeen and Rockfish | 1 |
ATW
| Atlantic and Western | 2 |
BTCX
| Browner Turnout Company | 1 |
CO
| Chesapeake & Ohio | 1 |
CPRX
| Carolina Power and Light Company | 3 |
CSX
| CSX Railroad | 11 |
DODX
| Department Of Defense | 10 |
DSEX
| East Carbon Development Company | 1 |
FPBX
| International Paper Corporation | 2 |
HTTX
| TTX Company | 3 |
ITTX
| TTX Company | 2 |
JESX
| James E Strates Shows | 2 |
JTTX
| TTX Company | 2 |
KRL
| Kasgro Rail Lines | 16 |
KWUX
| Siemens Power Corporation | 2 |
LHFX
| Lehigh Heavy Forge Corporation | 4 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 11 |
MTTX
| TTX Company | 1 |
NS
| Norfolk Southern | 6 |
NW
| Norfolk & Western | 1 |
PRSX
| Progress Rail Service | 6 |
PTTX
| TTX Company | 1 |
QTTX
| TTX Company | 10 |
RBBX
| Ringling Bros. and Barnum and Bailey | 3 |
SCL
| Seaboard Coast Line | 1 |
SOU
| Southern | 10 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 1 |
TTOX
| TTX Company | 1 |
TTWX
| TTX Company | 2 |
XTTX
| TTX Company | 1 |