| Steven Chilton Architects | Academic & Science |
| Sun-Colored Amethyst | Academic & Science |
| Society for California Archaeology | Academic & Science |
| Society of California Archivists | Academic & Science |
| Society for Creative Anachronism | Academic & Science |
| Student Committee for the Arts | Academic & Science |
| Society of Cardiovascular Anesthesiologists | Academic & Science |
| Society For Creative Anochronism | Academic & Science |
| Student Christian Association | Academic & Science |
| Slow-Curing Asphalt | Academic & Science |
| Student Cooperative Association | Academic & Science |
| Student Conservation Association | Academic & Science |
| Student Career Assistant | Academic & Science |
| Society for Creative Anakronism | Academic & Science |
| Société Canadienne des Anesthésiologistes | Academic & Science |
| Canadian Anesthesiologists' Society | Academic & Science |
| Sociedad Central de Arquitectos | Academic & Science |
| Society of Core Analysts | Academic & Science |
| St Christopher Academy | Academic & Science |
| Santa Catalina | Airport Code |
| Sweeping Corporation of America | Business |
| Shipbuilders Council of America | Business |
| Stephen Crane Associates | Business |
| Society for Commercial Archeology | Business |
| Students Christian Association | Business |
| Sustainable Competitive Advantage | Business |
| Svenska Cellulosa Aktiebolaget | Business |
| Smith Clark Associates | Business |
| Southwest Counseling Associates | Business |
| School Community Association | Business |
| Central Society of Architects | Business |
| Software Consulting Associates | Business |
| Sub-Consultancy Agreement | Business |
| Sodium Centroid Altitude | Chemistry |
| Sarasota Concert Association | Community |
| Saugatuck Center for the Arts | Community |
| Sexual Compulsives Anonymous | Community |
| Selkirk Conservation Alliance | Community |
| s for conservation and | Community |
| Student Community Action | Community |
| Scottsdale Christian Academy | Community |
| Student Council Association | Community |
| Satanic Church of America | Community |
| Service Center Agencies | Community |
| Supreme Council of Antiquities | Community |
| Specialty Coffee Association | Community |
| Steak Cookoff Association | Community |
| Selective Call Acceptance | Computer and Networking |
| Single Connector Assembly | Computer Hardware |
| Sensor Controller Actuator | Computing |
| Shared Control Array | Computing |
| Scalable Computing Architecture | Computing |
| Speed Catalog Access | Computing |
| Service Center Address | Computing |
| Subordinate Certification Authority | Computing |
| Sun Crypto Accelerator | Computing |
| Service Component Architecture | Computing |
| Security Controls Assessment | Computing |
| Short Code Address | Computing |
| Subsidiary Communication Authorization | Computing |
| Static Code Analyzer | Computing |
| Server and Cloud Administration | Computing |
| Supercomputing Asia | Computing |
| Strong Customer Authentication | Computing |
| Special Carrier Access | Computing |
| Shared Communications Area | Computing |
| Synchronous Clock Adjustment | Computing |
| Sensor Chip Assembly | Computing |
| Sensor Chip Array | Computing |
| Structural Coverage Analysis | Computing |
| Self Certifying Alert | Computing |
| Standard Control Authority | Computing |
| Single Connector Architecture | Computing |
| Synchronous Communication Adapter | Computing |
| Symposium on Computer Animation | Computing |
| Southeastern Computer Associates | Computing |
| Software Composition Analysis | Computing |
| Scaleswap | Cryptocurrency |
| College of Arms | Educational Institute |
| Stereo Control Amplifier | Electronics |
| Surface Charge Analysis | Electronics |
| Sca Datafile | File Type |
| Security Compliance Associates | General |
| Soft Close Actuator | General |
| Socioty For Creative Anachronism | General |
| Single Channel Analyzer | General |
| The Socity For Creative Anachronism | General |
| Scsi Connector Adapter | General |
| Society for Contemporary Anachronism | General |
| School Construction Authority | General |
| Steal Choc Always | General |
| Sex Crazed Alcoholic | General |
| Society for Creative Anarchy | General |
| Contemporary Art | General |
| Steven C Anderson | General |
| Switched Capacitor Array | General |
| Sharable Content Asset | General |
| Society of Creative Acronyms | General |
| Single Connector Attachment | General |
| Superior Cerebellar Artery | General |
| Sore Craniums Afterwards | General |
| Skinned Character Animation | General |
| Saab Cars Australia | General |
| Side Curtain Airbags | General |
| Single Cam Series a | General |
| Soft Close Automatic | General |
| Steering Column Angle | General |
| Speed Control Amplifier | General |
| Subaru Club Argentina | General |
| Samsung Connect Auto | General |
| Supercars Club Arabia | General |
| Salvador Caetano Auto | General |
| Standards Compliance Analyst | General |
| Southern Cross Aust | General |
| Supply Customer Agreement | General |
| Suez Canal Authority | General |
| Standardized Control Assessment | General |
| Saints Cats Alliance | Governmental |
| Service Contract Act | Governmental |
| Sexual Child Abuse | Governmental |
| Supply Chain Alliance | Governmental |
| Subsidiary Communications Authorization | Governmental |
| Supplemental Coolant Additive | Governmental |
| Steel Cage Asylum | Governmental |
| Senate Constitutional Amendment | Governmental |
| Service Center Agency | Governmental |
| Supreme Court of Appeal | Governmental |
| SALCHAPRA | Indian Railway Station |
| Service de Commissariat des Armées | International |
| Sodomy Cunnilingus A** | Internet |
| Sensitive Civil Activist | Jobs |
| Serum Complement Antibody | Medical |
| SpinoCerebellar Ataxia | Medical |
| Spinocerebellar Ataxias | Medical |
| Surgical Care Affiliates | Medical |
| Superior Cardiac Attrition | Medical |
| Sudden Cardiac Arrest | Medical |
| Sickle Cell Anemia | Medical |
| Secretion of Cryptomphalus Aspersa | Medical |
| Scikle Cell Anaemia | Medical |
| Space Coordinating Authority | Military and Defence |
| Support To Civil Administration | Military and Defence |
| Systems Communication Architecture | Networking |
| Send Configure Ack | Networking |
| Subsidiary Carrier Authorization | Radio Science |
| Sound Cities Association | Regional |
| Source Code Analyzer | Softwares |
| Sharepoint Central Administration | Softwares |
| Sophos Casanova Architecture | Softwares |
| Source Change Assistant | Softwares |
| Shuttle Carrier Aircraft | Space Science |
| Schedule Change Authorization | Space Science |
| Sequence Control Assembly | Space Science |
| Special Camera Adapter | Space Science |
| Simulation Control Area | Space Science |
| Sneak Circuit Analysis | Space Science |
| Ski Club Arlberg | Sports |
| Software Communications Architecture | Telecommunication |
