AEQX
| ATEL Equipment Corporation | 2 |
AMTK
| Amtrak | 7 |
APEX
| Apex Tank Car Line | 4 |
ATW
| Atlantic and Western | 3 |
AWXX
| East Carbon development Company | 3 |
BBCX
| ABB Power Generation Incorporated | 1 |
BDRV
| Belvidere & Delaware Railroad | 9 |
BNSF
| BNSF Railway | 1 |
BO
| Baltimore & Ohio | 2 |
BTCX
| Browner Turnout Company | 2 |
BVRY
| Brandywine Valley Railroad Company | 2 |
CN
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 5 |
DCLR
| Delaware Coast Line RR Co | 2 |
DODX
| Department Of Defense | 2 |
DSEX
| East Carbon Development Company | 18 |
EL
| Erie Lackawanna | 6 |
EV
| Everett Railroad | 1 |
FEC
| Florida East Coast | 8 |
FICX
| Frontier Industrial Corp | 4 |
FTSX
| Fairmont Tamper | 12 |
FVSX
| FVSX | 2 |
GBRX
| Greenbrier Leasing Corporation | 3 |
GIMX
| General American Marks Company | 35 |
HKRX
| HKRX | 2 |
HS
| H and S Railroad Company | 1 |
HTTX
| TTX Company | 2 |
IARX
| InStar Leasing | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
ITTX
| TTX Company | 6 |
KRL
| Kasgro Rail Lines | 3 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LHFX
| Lehigh Heavy Forge Corporation | 14 |
LMIC
| Lake Michigan & Indiana Railroad | 6 |
LTTX
| TTX Company | 3 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 3 |
ME
| Morristown & Erie Railroad | 1 |
MP
| Missouri Pacific | 1 |
MTTX
| TTX Company | 1 |
NJRC
| New Jersey Rail Carrier LLC | 2 |
NJT
| New Jersey Transit | 4 |
NJTR
| NJ Transit Rail Operations | 8 |
NS
| Norfolk Southern | 45 |
NW
| Norfolk & Western | 11 |
PACX
| Plasser American Corporation | 3 |
PRR
| Pennsylvania Railroad | 2 |
PTTX
| TTX Company | 9 |
QTTX
| TTX Company | 4 |
RDG
| Reading Railroad | 3 |
RSGX
| RSGX | 2 |
RTTX
| TTX Company | 3 |
SNHX
| IND/AG Chemicals Incorporated | 3 |
SOU
| Southern | 2 |
TPAX
| TPAX | 1 |
USWX
| USA Waste Services Incorporated | 62 |
XTTX
| TTX Company | 3 |