US Government

• Stored Communications Act
• Electronic Communications Privacy Act

Retail Stores:

• Super Cheap Auto

Organizations:

• Scottish Canoe Association
• Secular Coalition for America
• Sexual Compulsives Anonymous
• Société en commandite par actions - a type of corporation, in France
• Society for Creative Anachronism
• Student Conservation Association - a Non-Profit Conservation Service Organisation
• Student Catholic Action - a religious student organization in the Philippines
• Suez Canal Authority - a state-owned authority which own and maintain the Suez Canal.
• Supreme Council of Antiquities - the Egyptian anquities service
• Sydney College of the Arts

Locations

• Soviet Central Asia

In biology and health:

• Sickle cell anaemia
• Spinocerebellar ataxia - a neurological condition
• Statistical coupling analysis - a method to identify covarying pairs of amino acids in protein multiple sequence alignments.
• Sudden Cardiac Arrest - see: Cardiac Arrest, Sudden Cardiac Death.
• Superior cerebellar artery - a major blood supply to the Cerebellum

Other:

• Subsidiary Communications Authority - the FCC's name for subcarrier channels transmitted on a broadcast FM station
• Shuttle Carrier Aircraft
• Single Connector Attachment (Single Connection Attach) - an 80-pin SCSI storage interface used in some computer servers, which provides a single connector for power, data and SCSI ID configuration
• Service component architecture
• Software Communications Architecture
• Southern Control Area - a Canadian airspace designation
• Spectrum Continuation Analysis
• Sustainable competitive advantage - in business: advantage that is preserved over long term
• Svenska Cellulosa Aktiebolaget - Swedish pulp and paper manufacturer
• Swiss Cracking Association, SCA Amiga virus
• Supplemental coolant additive
• Subordinate certification authority
• Static code analysis