1 | THRX | Transportation Corp. of America | added 7/1999; 7/2000-7/2005 | | NAKINA |
2 | THRX | Transportation Corp. of America | added 7/99; 7/2000 | | NRHS |
3 | THRX | TRANSPORTATION CORPORATION OF AMERICA | | | PWRC |
4 | THRX | TENNESSEE HOLSTON RAILWAY | | | PWRC |
5 | THRX | Transportation of America | | | RSRV |
6 | THRX | TRANSPORTATION CORPORATION OF AMERI | | | SCAC4 |