| 1 | 5S | Airspeed Aviation, Inc. | ICAO: SPD, Callsign: Speedline, Ceased operations | CDN | AVCODES |
| 2 | 5S | Servicios Aereos Profesionales, S.A. | ICAO: PSV, Callsign: Proservicios, IATA code changed from P2* | DOM | AVCODES |
| 3 | 5S | Société D’Exploitation Aeropostale | ICAO: ARP, Callsign: Aeroposte, Designator 5S recalled by IATA | F | AVCODES |
| 4 | 5S | Global Aviation Services Group | ICAO: GAK, IATA Prefix: 301, Designator 5S reinstated by IATA | LAR | AVCODES |
