ATRX
| ATLANTA RAILCAR COMPANY | 2 |
ATTX
| TTX Company - Container Flats | 2 |
ATW
| Atlantic and Western | 1 |
BTCX
| Browner Turnout Company | 1 |
CP
| Canadian Pacific Railway | 25 |
CW
| Colorado and Wyoming | 3 |
CWI
| Chicago and Western Indiana | 6 |
FTTX
| TTX Company | 149 |
FTVM
| FerroValle | 3 |
FXE
| Ferromex | 70 |
GTW
| Grand Trunk Western | 7 |
HTTX
| TTX Company | 2 |
ICE
| Iowa Chicago and Eastern | 10 |
ITTX
| TTX Company | 10 |
KRL
| Kasgro Rail Lines | 31 |
LBFX
| L B Foster Co | 1 |
M
| M | 5 |
MP
| Missouri Pacific | 4 |
MTTX
| TTX Company | 7 |
NDEM
| NDEM | 53 |
OTTX
| TTX Company | 16 |
PTTX
| TTX Company | 24 |
QTTX
| TTX Company | 58 |
SOO
| Soo Line | 1 |
TFM
| Kansas City Southern De Mexico | 27 |
TTCX
| TTX Company | 2 |
TTTX
| TTX Company | 1 |
UP
| Union Pacific Railroad Company | 4 |
VTTX
| TTX Company | 5 |