| 1 | KNT | Knightair | Callsign: Knightway, Name changed from Knightway Air Charter | GB | AVCODES |
| 2 | KNT | Knightway Air Charter Ltd. | Callsign: Knightway, Name changed to Knightair | GB | AVCODES |
| 3 | KNTA | KENS TRANSPORT | | | SCAC3 |
| 4 | KNTA | KENS TRANSPORT | | | SCAC4 |
| 5 | KNTC | KENAN TRANSPORT COMPANY, INCORPORAT | | | SCAC3 |
| 6 | KNTC | KENAN TRANSPORT COMPANY | | | SCAC4 |
| 7 | KNTD | K & T DAVIS INC | | | SCAC3 |
| 8 | KNTE | K N TRANSPORT INC | | | SCAC4 |
| 9 | KNTF | KNISELY TRANSFER | | | SCAC3 |
| 10 | KNTF | KENT FARM SUPPLIES LTD | | | SCAC4 |
| 11 | KNTG | KNAPP TRUCKING | | | SCAC3 |
| 12 | KNTG | KENT TRUCKING | | | SCAC4 |
| 13 | KNTH | KENTUCKY SPECIALIZED HAULERS INC | | | SCAC3 |
| 14 | KNTI | KEENAN & TRUCKING INC | | | SCAC3 |
| 15 | KNTJ | KENNEDY, TIMOTHY J INC | | | SCAC3 |
| 16 | KNTJ | KENNEDY LOGISTICS OF ILLINOIS | | | SCAC4 |
| 17 | KNTK | KNEPP TRUCKING | | | SCAC3 |
| 18 | KNTL | KNOX TRUCK LINES INC | | | SCAC3 |
| 19 | KNTM | KENS TRUCKING COMPANY | | | SCAC3 |
| 20 | KNTN | KENS TRUCKING CO | | | SCAC3 |
| 21 | KNTN | KINTAMA RESEARCH CORPORATION | | | SCAC4 |
| 22 | KNTO | KNOLL TRANSPORTATION | | | SCAC3 |
| 23 | KNTO | KATOEN NATIE TANK OPERATIONS INC | | | SCAC4 |
| 24 | KNTP | KIANTONE PIPELINE CORPORATION | | | SCAC3 |
| 25 | KNTP | KINETIC TRANSPORTATION LLC | | | SCAC4 |
| 26 | KNTQ | KINTNER, LEE & SONS | | | SCAC3 |
| 27 | KNTR | KNECHTION TRUCKING INC | | | SCAC4 |
| 28 | KNTS | KNUTSON TRANSPORTATION INC | | | SCAC3 |
| 29 | KNTU | KANTO CORPORATION INC. | | USA | BIC |
| 30 | KNTU | Kanto Corporation | | | RSRV |
| 31 | KNTU | KANTO CORPORATION INC | | | SCAC4 |
| 32 | KNTW | K & T TRANSPORT | | | SCAC3 |
| 33 | KNTY | KENTUCKY OIL AND REFINING COMPANY I | | | SCAC3 |
| 34 | KNTY | KENTUCKY OIL & REFINING CO INC | | | SCAC4 |
