SAIC
          Saint-Gobain
          SAMES (Pty) Ltd.
          Samlex America, Inc.
          Samsung
          Samsung Semiconductor
          Samtec, Inc.
          Sandisk Corporation
          Sanken Electric Company Ltd.
          Sanritsu Co.,Ltd.
          Sanwa Electric Instrument Co.
          Sanyo
          SAPRO S.R.O.
          Sato America
          Savox Communications 
          Schlumberger
          Schurter Inc.
          Schurter Holding AD
          Screen
            Service Italia
          Seagate
          Seeed Development Ltd.
          
          SeekIC 
          SemiConductor Devices
          Semicoa Semiconductors, Inc.
          Semiconductor Technology, Inc.
          Semiconwell
          Semikron International
          Semtech
          Sencore
          Senseeker Engineering Inc. 
          Sensitron Semiconductor
          Sensor Scientific, Inc.
          Sensory, Inc.
          Sentry Equipment Corp
          Servicentro
            Cagua C.A.
          Sesamsec GmbH
          SGS-Thomson
            Microelectronics
          Sharp
            Electronics of Canada Ltd.
          Sharp Microelectronics
          Sheldahl, Inc.
          Shenzhen Blikai Electronics Co.,LTD.
         Shenzhen Crystal Technology Industrial Co.
          Shenzhen Dasen Electronics Co.
          Shenzhen Sunshen Group Electronic Co.
          Shinano Kenshi Co.
          Shindengen America, Inc.
          Shinko of America, Inc.
          Shiva
            Corporation
          Shoreline Electronics,
            Inc.
          SiberCore Technologies, Inc.
          SICOM Systems
          Siemens AG
          Sierra Microwave Technology
          Sierratherm
          SiGe Microsystems, Inc.
          Silicon Integrated Systems (SiS)
          
          Silicon Laboratories, Inc.
          
          Silicon Light Machines
          
          Silicon Motion, Inc.
          Silicon
          Storage Technology (SST)