| 1 | SOV | Saratov Airlines Joint Stock Company | IATA: 6W, Callsign: Saratov Air, Ceased operations on 30 May 2018 after AOC revoked. | RUS | AVCODES |
| 2 | SOV | Saratov Aviation Division | IATA: 6W | | ICAO1 |
| 3 | SOV | Sovereign Bus and Coach | London Country North East was bought by AJS and Parkdale in April 1988, then divided into two chunks in January 1989. Sovereign Bus and Coach was based at Hatfield and Stevenage. | GB | TRAFFIC |
| 4 | SOVL | SEABOARD OVERSEAS LTD | | | SCAC4 |
| 5 | SOVM | SOUTHVILLE PETROLEUM CORP | | | SCAC4 |
| 6 | SOVP | SIFNOS NAVIGATION S A-PANAMA | | | SCAC4 |
| 7 | SOVQ | SOUTHWEST OIL SERVICE INC | | | SCAC4 |
| 8 | SOVT | SYLCO SERVICE & TERMINAL CO | | | SCAC4 |
| 9 | SOVTR | Sovtranstvo | | RUS | TRAFFIC |
