| 1 | THX | The Harbauer Co. | 7/1923-4/1947 | | NAKINA |
| 2 | THX | The Harbauer Co. | Apr-38 | | NRHS |
| 3 | THX | THE HARBAUER CO. | | | PWRC |
| 4 | THXC | THATCHER TRANSPORTATION INC | | | SCAC4 |
| 5 | THXF | TRANSPORT M CHALIFOUX & FILS INC | | | SCAC4 |
| 6 | THXN | THUNDER TRANSPORT INC | | | SCAC4 |
| 7 | THXO | THR TRANSPORTES | | | SCAC4 |
| 8 | THXR | THREE STAR TRANSPORT LLC | | | SCAC4 |
| 9 | THXS | TARHEEL TRANSPORTATION SERVICES INC | | | SCAC4 |
| 10 | THXT | TOMS HOT SHOT TRANSPORT | | | SCAC4 |