| 1 | SKH | Skyways Regional AB | Callsign: Skyreg, | S | AVCODES |
| 2 | SKH | Sakha Airlines | Callsign: Air Sakha, | RUS | AVCODES |
| 3 | SKH | Svenska Direktflyg AB | IATA: HS, Callsign: Skyreg, ICAO designator changed to HSV. ICAO designator changed from HIL, ICAO callsign changed from Highland. Name changed from Skyways Regional AB | S | AVCODES |
| 4 | SKH | British Sky Broadcasting Ltd. | Callsign: Skynews, | GB | AVCODES |
| 5 | SKH | British Sky Broadcasting | | | ICAO1 |
| 6 | SKHA | SUN LINK (USA) INC | | | SCAC4 |
| 7 | SKHB | SKY HARBOR TRUCKING LLC | | | SCAC4 |
| 8 | SKHC | SMUCKER SHIPPING LLC | | | SCAC4 |
| 9 | SKHF | SKYHAWK TRANSFER INC | | | SCAC4 |
| 10 | SKHG | SPRAGUE, KEITH TRUCKING | | | SCAC4 |
| 11 | SKHI | SEKUR HOLDINGS INC | | | SCAC4 |
| 12 | SKHK | SUKH TRUCKING | | | SCAC4 |
| 13 | SKHP | SKY TRANSPORTATION SERVICES INC | | | SCAC4 |
| 14 | SKHU | SINOKOR MERCHANT MARINE CORP | | ROK | BIC |
| 15 | SKHU | SINOKOR MERCHANT MARINE CO LTD | | | SCAC4 |
