| 1 | SKB | Skyfreighters Corp. | Callsign: Skybus, | USA | AVCODES |
| 2 | SKB | Skybus Airlines | IATA: SX, Callsign: Skybus, Ceased operations | USA | AVCODES |
| 3 | SKB | Skybus Airlines | IATA: SX | | ICAO1 |
| 4 | SKB | Schleifkottenbahn GmbH | Halver | D | privat-bahn.de |
| 5 | SKBA | SKIP BARBER RACING SCHOOL LLC | | | SCAC4 |
| 6 | SKBB | SKYLINE CUSTOMS SERVICES LLC | | | SCAC4 |
| 7 | SKBF | SNEAKER KING OF BUFFALO | | | SCAC4 |
| 8 | SKBN | SKIPPER BROTHERS TANK LINES LLC | | | SCAC4 |
| 9 | SKBO | SKEETER BROKERAGE | | | SCAC4 |
| 10 | SKBP | SMOKY BURN TRANSPORT | | | SCAC4 |
| 11 | SKBQ | STREET KINGS INC | | | SCAC4 |
| 12 | SKBR | SHOKER BROTHERS INCORPORATED | | | SCAC4 |
| 13 | SKBU | SWEDISH NUCLEAR FUEL AND WASTE MANAGEMENT | | S | BIC |
| 14 | SKBY | SKY-BLUE LOGISTICS LLC | | | SCAC4 |
