| 1 | SWN | West Air Sweden AB | IATA: PT, Callsign: Air Sweden, IATA Prefix: 869, Designator PT reinstated by IATA | S | AVCODES |
| 2 | SWN | West Atlantic Sweden AB | Callsign: Air Sweden, Formed by the merger of West Air (Sweden) and Atlantic Airlines (UK) | S | AVCODES |
| 3 | SWN | West Air Sweden AB | Callsign: Air Sweden, Name changed to West Atlantic Sweden AB. Designator PT recalled by IATA | S | AVCODES |
| 4 | SWN | West Air Sweden | IATA: PT | | ICAO1 |
| 5 | SWN | | City: Nordhausen | D | TRAFFIC |
| 6 | SWNB | SWENSON BROTHERS SHIPPING INC. | | | SCAC4 |
| 7 | SWNC | SWENSON INC | | | SCAC4 |
| 8 | SWND | SOUTHWIND OIL CORP | | | SCAC4 |
| 9 | SWNE | SWAIN ENTERPRISES INCORPORATED | | | SCAC4 |
| 10 | SWNK | SWANK ASSOCIATED COMPANIES INC | | | SCAC4 |
| 11 | SWNM | SWANS MOVING & STORAGE CO INC | | | SCAC4 |
| 12 | SWNN | SWAN TRUCKING CORPORATION INC | | | SCAC4 |
| 13 | SWNO | SWARN TRANSPORT | | | SCAC4 |
| 14 | SWNP | S & W TRANSPORTATION | | | SCAC4 |
| 15 | SWNQ | SIMONTON WINDOWS | | | SCAC4 |
| 16 | SWNU | SWEN CONTAINER LINE PTE LTD | | SGP | BIC |
| 17 | SWNW | S WESTERN TRUCKING | | | SCAC4 |
| 18 | SWNY | SOUTHWIND TRANSPORTATION SERVICES I | | | SCAC4 |
