| 1 | KBA | Kenn Borek Air Ltd. | IATA: 4K, Callsign: Borek Air, Designator 4K recalled by IATA | CDN | AVCODES |
| 2 | KBA | Kenn Borek Air Ltd. | Callsign: Borek Air, Designator 4K recalled by IATA | CDN | AVCODES |
| 3 | KBA | Kenn Borek Air | | | ICAO1 |
| 4 | KBAA | K & B LOGISTICS LLC | | | SCAC4 |
| 5 | KBAD | KLASSEN, BILL AUCTIONS LTD | | | SCAC4 |
| 6 | KBAL | KOLB, AL TRUCKING | | | SCAC3 |
| 7 | KBAP | KB TRANSPORTATION | | | SCAC4 |
| 8 | KBAQ | KILLEBREW, BOB A | | | SCAC3 |
| 9 | KBAQ | KILLEBREW TRUCKING SERVICE | | | SCAC4 |
