| 1 | KFS | Kalitta Flying Service, Inc. | Callsign: Kalitta, | USA | AVCODES |
| 2 | KFS | Kalitta Charters LLC | IATA: K9, Callsign: Kalitta, | USA | AVCODES |
| 3 | KFS | Kalitta Charters | | | ICAO1 |
| 4 | KFS | Kansai freight service | | J | TRAFFIC |
| 5 | KFSA | KFS INC | | | SCAC4 |
| 6 | KFSB | KTL FREIGHT SYSTEMS INC | | | SCAC4 |
| 7 | KFSC | KENS FEED STORE INC | | | SCAC4 |
| 8 | KFSI | KING FREIGHT SYSTEMS INC | | | SCAC3 |
| 9 | KFSI | KLUTCH FREIGHT SOLUTIONS INC | | | SCAC4 |
| 10 | KFSN | KFS INC | | | SCAC4 |
| 11 | KFSP | KUFA SPORTS ENTERPRISE LTD | | | SCAC4 |
| 12 | KFSX | Kurtz Farm Service | 4/1938 (not listed) | | NAKINA |
| 13 | KFSX | KURTZ FARM SERVICE | | | PWRC |
