AMTK
| Amtrak | 5 |
APRX
| Air Products and Chemicals Incorporated | 3 |
APTX
| Air Products and Chemicals Incorporated | 3 |
AWXX
| East Carbon development Company | 10 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 4 |
CV
| Central Vermont | 1 |
CW
| Colorado and Wyoming | 1 |
DJTX
| Joseph Transportation Incorporated | 9 |
DODX
| Department Of Defense | 34 |
DSEX
| East Carbon Development Company | 10 |
ECXX
| East Carbon Development Company | 10 |
FEC
| Florida East Coast | 5 |
GBRX
| Greenbrier Leasing Corporation | 4 |
GMIX
| Chicago Freight Car Leasing Company | 2 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 4 |
ITTX
| TTX Company | 8 |
JTSX
| Joseph Transportation Incorporated | 8 |
KRL
| Kasgro Rail Lines | 1 |
MTTX
| TTX Company | 2 |
NS
| Norfolk Southern | 4 |
NWSX
| NEW YORK RAIL LOGISTICS LLC | 1 |
PTTX
| TTX Company | 6 |
QTTX
| TTX Company | 3 |
RBBX
| Ringling Bros. and Barnum and Bailey | 2 |
RCLX
| Macquarie Rail Inc | 1 |
RTTX
| TTX Company | 9 |
SOU
| Southern | 2 |
TTDX
| TTX Company - DOD Service Flats | 5 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 8 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
UP
| Union Pacific Railroad Company | 2 |
USWX
| USA Waste Services Incorporated | 23 |
WUX
| WUX | 2 |
XTTX
| TTX Company | 1 |