| 1 | SWQ | Interstate Equipment Leasing, Inc. d/b/a Swift Air | IATA: Q7, Callsign: Swiftflight, IATA designator changed to WQ. | USA | AVCODES |
| 2 | SWQ | Interstate Equipment Leasing, Inc. d/b/a Swift Air | IATA: WQ, Callsign: Swiftflight, IATA designator changed from Q7. | USA | AVCODES |
| 3 | SWQ | Swift Air, LLC d/b/a iAero Airways | Callsign: Swiftflight, | USA | AVCODES |
| 4 | SWQ | iAero Airways d/b/a Swift Air | IATA: WQ, Callsign: Swiftflight, Name changed from Interstate Equipment Leasing, Inc. d/b/a Swift Air. IATA designator changed from Q7. | USA | AVCODES |
| 5 | SWQ | Swift Air (Interstate Equipment Leasing) | | | ICAO1 |
| 6 | SWQB | SWAN, BARRY SPECIALITIES INC | | | SCAC4 |
| 7 | SWQC | SWIFT CARRIERS INC | | | SCAC4 |
| 8 | SWQF | SOUTHWEST FORGE LTD | | | SCAC4 |
| 9 | SWQG | SCHWAGEL DISTRIBUTING INC | | | SCAC4 |
| 10 | SWQI | STATEWOOD INC | | | SCAC4 |
| 11 | SWQO | SWINK QUALITY OIL COMPANY | | | SCAC4 |
| 12 | SWQS | SHAWN TRANSPORT LTD | | | SCAC4 |
| 13 | SWQV | SEAWEST LOGISTICS INC | | | SCAC4 |
| 14 | SWQY | SHAWMUT EQUIPMENT COMPANY INC | | | SCAC4 |
