| 1 | SAV | Sanair | Callsign: Sanair Line, Ceased operations | UA | AVCODES |
| 2 | SAV | Sunair Aviation Ltd. | IATA: ZU, Callsign: Sunair, IATA designator ZU recalled. | NZ | AVCODES |
| 3 | SAV | Sunair Aviation Ltd. | Callsign: Sunair, IATA designator ZU recalled. | NZ | AVCODES |
| 4 | SAV | Sun Air Limited Liability Company | Callsign: Sun Air, Subsidiary of Sun Group. | VN | AVCODES |
| 5 | SAV | Samal Air | | | ICAO1 |
| 6 | SAV | SACRAMENTO VALLEY RAILROAD | | | PWRC |
| 7 | SAV | SACRAMENTO VALLEY RAILROAD | | | SCAC4 |
| 8 | SAV | Sacramento Valley Railroad | | USA | TRAFFIC |
| 9 | SAVA | SMITH AVIATION | | | SCAC4 |
| 10 | SAVB | SUPERIOR TOMATO AVOCADO LTD | | | SCAC4 |
| 11 | SAVD | S A V ENTERPRISES INC | | | SCAC4 |
| 12 | SAVE | SOUTH AVENUE MOVING INC | | | SCAC4 |
| 13 | SAVG | SAVAGE SERVICES CORPORATION | | | SCAC4 |
| 14 | SAVI | SAV LOGISTICS INC | | | SCAC4 |
| 15 | SAVJ | SAVLO LOGISTICS INC | | | SCAC4 |
| 16 | SAVK | SAVAGE, P & SONS TRUCKING INC | | | SCAC4 |
| 17 | SAVM | SPORTSMANS AIR SERVICE | | | SCAC4 |
| 18 | SAVN | SAVE TRANSPORTATION SERVICE | | | SCAC4 |
| 19 | SAVO | SAV ON MOVING & STORAGE | | | SCAC4 |
| 20 | SAVQ | SEALAND AVIATION LTD | | | SCAC4 |
| 21 | SAVT | S A V EXPRESS INC | | | SCAC4 |
| 22 | SAVTE | Societa Anonima Verbano Trazione Elettrica | | I | TRAFFIC |
| 23 | SAVU | SAR TRASPORTI SCPA | | I | BIC |
| 24 | SAVU | SAR TRASPORTI SPA | | | SCAC4 |
| 25 | SAVX | Georgia Power Co. | added 10/2006 | | NAKINA |
| 26 | SAVX | Savannah Electric and Power Co. | added 10/1996; 7/2000-7/2005; eliminated 10/2006 | | NAKINA |
| 27 | SAVX | Atlantic Creosoting Co., Inc. | 7/1937 (not listed) | | NAKINA |
| 28 | SAVX | Savannah Electric and Power Co. | added 10/96; 7/2000 | | NRHS |
| 29 | SAVX | *ATLANTIC CREOSOTING CO., INC. | | | PWRC |
| 30 | SAVX | +GEORGIA POWER CO. [SAVANNAH ELECTRIC & POWER COMPANY] | | | PWRC |
| 31 | SAVX | Savannah Electric and Power | | | RSRV |
| 32 | SAVX | GEORGIA POWER COMPANY | | | SCAC4 |
| 33 | SAVZ | SAVAGE COAL | | | PWRC |
