| 1 | QK | Air Canada Regional, Inc. | ICAO: ARN, Callsign: Transcan, IATA Prefix: 983, Name changed to Air Canada Jazz. ICAO Designator changed to JZZ. Name changed from Air Nova Inc. ICAO callsign changed from Nova. | CDN | AVCODES |
| 2 | QK | Air Nova, Inc. | ICAO: ARN, Callsign: Nova, IATA Prefix: 983, Merged into Air Canada Regional Inc. during 2001. Air Canada Connector | CDN | AVCODES |
| 3 | QK | Air Canada Jazz | ICAO: JZZ, Callsign: Jazz, ICAO designator changed to JZA. Name changed from Air Canada Regional Inc. ICAO designator changed from ARN. ICAO callsign changed from Transcan. | CDN | AVCODES |
| 4 | QK | Air Canada Jazz | ICAO: JZA, Callsign: Jazz, ICAO designator changed from JZZ. Name changed from Air Canada Regional Inc. ICAO designator changed from ARN. ICAO callsign changed from Transcan. | CDN | AVCODES |
| 5 | QK | Compagnie Aeromaritime d'affretement | ICAO: QKL, Callsign: Aeromar, IATA designator changed to OV | F | AVCODES |
| 6 | QK | Jazz Aviation LP | ICAO: JZA, Callsign: Jazz, Name changed from Air Canada Jazz. ICAO designator changed from JZZ. Name changed from Air Canada Regional Inc. ICAO designator changed from ARN. ICAO callsign changed from Transcan. | CDN | AVCODES |
| 7 | QKC | Aero Taxi Aviation, Inc. | Callsign: Quaker City, | USA | AVCODES |
| 8 | QKC | Aero Taxi Aviation | | | ICAO1 |
| 9 | QKCC | QUICK CAB CO | | | SCAC3 |
| 10 | QKCI | QWIK COURIERS | | | SCAC3 |
| 11 | QKCS | QUICK COURIER SERVICE | | | SCAC3 |
| 12 | QKCS | QUICK COURIER SERVICE INC | | | SCAC4 |
| 13 | QKDL | QUICK DELIVERY | | | SCAC3 |
| 14 | QKDS | QUICK DELIVERY SERVICE | | | SCAC3 |
| 15 | QKDS | QUICK DELIVERY SERVICE | | | SCAC4 |
| 16 | QKDV | QUICK DELIVERY | | | SCAC3 |
| 17 | QKDV | QUICK DELIVERY | | | SCAC4 |
| 18 | QKFI | QUICK FREIGHT INC | | | SCAC3 |
| 19 | QKFQ | QUICKSILVER FREIGHTWAYS | | | SCAC3 |
| 20 | QKFS | QUICK FREIGHT SYSTEMS | | | SCAC3 |
| 21 | QKIC | QUICK INTERNATIONAL COURIER | | | SCAC4 |
| 22 | QKJB | QUICK, JON B | | | SCAC4 |
| 23 | QKL | Aeromaritime | IATA: OV, Callsign: Aeromar, Merged into UTA | F | AVCODES |
| 24 | QKL | Compagnie Aeromaritime d'affretement | IATA: QK, Callsign: Aeromar, IATA designator changed to OV | F | AVCODES |
| 25 | QKLC | QUICK LINE CORP | | | SCAC3 |
| 26 | QKNE | QUICK N EASY MESSENGER SERVICE INC | | | SCAC3 |
| 27 | QKNE | QRC LOGISTICS (1978) LTD | | | SCAC4 |
| 28 | QKRT | QUAKER TRANSPORTATION INC | | | SCAC4 |
| 29 | QKSD | QUICK SERVICE DELIVERY AND APARTMEN | | | SCAC3 |
| 30 | QKSE | QUICK SILVER EXPRESS INC | | | SCAC3 |
| 31 | QKSI | QUICK SILVER TRANSPORT INC | | | SCAC4 |
| 32 | QKSQ | QUIK SERVICE DELIVERY | | | SCAC3 |
| 33 | QKSR | QUICKSILVER CARTAGE CO INC | | | SCAC3 |
| 34 | QKST | QUICKSILVER TRANSPORTATION INC | | | SCAC3 |
| 35 | QKSV | QUICK SILVER TRUCKING CO | | | SCAC3 |
| 36 | QKSV | QUICKSERVICE TECHNOLOGIES INC | | | SCAC4 |
| 37 | QKTF | QUIK'N TASTY FOODS INC | | | SCAC4 |
| 38 | QKTG | QUICK TRUCKING | | | SCAC3 |
| 39 | QKTK | QUICK TRUCKING | | | SCAC3 |
| 40 | QKTP | QUICK TRIP | | | SCAC4 |
| 41 | QKTR | QUICK TRUCKING INC | | | SCAC3 |
| 42 | QKWA | QUICK-WAY INC | | | SCAC3 |
| 43 | QKWA | QUICK-WAY INC | | | SCAC4 |
| 44 | QKWD | QUICKWAY DELIVERIES | | | SCAC3 |
| 45 | QKWE | QUICK WAY EXPRESS | | | SCAC3 |
| 46 | QKWI | QUICKWAY CARRIERS INC | | | SCAC4 |
| 47 | QKWP | QUICKWAY TRANSPORTATION INC | | | SCAC4 |
| 48 | QKWQ | QWIK-WAY MOTOR SERVICE CORP | | | SCAC3 |
| 49 | QKWT | QUICKWAY TRANSPORTATION | | | SCAC3 |
| 50 | QKWT | QUICKWAY TRANSPORTATION | | | SCAC4 |
| 51 | QKWY | QUICKWAY COURIER | | | SCAC3 |
| 52 | QKXT | QUIKX TRANSX LTD | | | SCAC3 |
| 53 | QKXT | QUIK X TRANSPORTATION (US) INC | | | SCAC4 |
