SINASensor Information and Networking Architecture
SIPStructural Insulated Panel
SIUPAState Institute of Urban Planning and Architecture
SJISteel Joist Institute
SKASteven Kahle Architects
SLSky Light
SLVShort Leg Vertical
SMEScale Model Engineering
SMSSpatial Management System
SNRASensor Network Reference Architecture
SNSAScalable Network Simulator Architecture
SOAServices Oriented Architecture
SOAService Oriented Architecture
SOAService Orientated Architecture
SOASame Old Architecture
SOASimon Oswald Architecture
SOADSchool of Architecture and Design
SOAFService Oriented Architecture Framework
SOAPServices Oriented Architecture Protocol