SGS

SGS is a three letter acronym that can stand for:
* "Società Generale Semiconduttori - Aquila Tubi E Semiconduttori" (SGS-ATES, "Semiconductor General Society - Tubes and Semiconductors Aquila"), later "SGS Microelettronica", a former Italian company now merged into STMicroelectronics
* "Société Générale de Surveillance" (French for "Inspection General Society")
* South Georgia and the South Sandwich Islands: ISO 3166 trigram
* South Georgia Survey, four expeditions (1951-1957) led by V. Duncan Carse which mapped the South Georgia Antarctic archipelago.
* "Svenska Genealogiska Samfundet" (Swedish for "Swedish Genealogical Society")
* Strong generating set, a concept in the group theory of mathematics
*Slough Grammar School
*Spalding Grammar School
*Sutton Grammar School
*Steyning Grammar School
*Stockport Grammar School
*Stretford Grammar School
*Sydney Grammar School
* The Search Guard Successor Foundation, a fictional organization in the Japanese Super Sentai show, "GoGo Sentai Boukenger".
*Satellite Ground Station
*Sulforaphane Glucosinolate A natural antioxidant compound in broccoli ("see Brassica Foundation").
*Serbian Genealogical Society Serbian Genealogical Society
*Saudi Geological Survey