SAll Manufacturers
- Sagrad Inc.
- Saia-Burgess
- Samsung Electro-Mechanics
- Samtec
- SanDisk
- SANMOTION
- SanRex
- Sanyo Denki
- Sanyo Semiconductor
- Sargent Tools
- Schaffner
- SchmartBoard
- Schneider Electric
- Schurter
- ScioSense
- SCS
- SE Relays
- SEARAN
- SECO
- Securing Hardware
- Seeed Studio
- SEGGER Microcontroller
- Seiko Instruments
- Semelab / TT Electronics
- Semflex / Cinch Connectivity Solutions
- SemiQ
- Semitec USA
- Semtech
- Sensata
- SensiEDGE
- SensiML
- Sensirion
- Sensorcon
- Sensotec
- Sensym
- Seoul Semiconductor
- Sequans
- Sequent Microsystems
- Serpac
- Sfera Labs
- Sharp Microelectronics
- Shin Chin
- Shindengen
- SI (Standard Inserts)
- Sierra Monitor
- SiFive
- Sigfox
- Signal Transformer / Bel
- Signetik
- Silego Technology
- Silex Technology
- Silicognition
- Silicom
- Silicon Labs
- Silicon Microstructures, Inc. (SMI)
- Silvertel
- Simpson Electric Company
- Siretta
- SiTime
- Solidigm
- SkyeTek
- SkyHigh Memory
- Skyworks Solutions Inc.
- SL Power
- SMART Modular Technologies
- SMART Wireless Computing
- Smiths Interconnect
- SolaHD
- Solantro
- SoMLabs
- Song Chuan
- Sony Spresense
- SOURIAU
- Spansion / Cypress
- SparkFun
- Spectra Symbol
- Spectrum ASP
- Spectrum Control
- SpotSee
- Sprague Goodman
- SQFMI
- SST Sensing
- Staco
- Stadium Group
- Stanley Electric
- Starcat
- STEMinds
- StereoPi
- steute
- Stewart Connector / Bel
- STMicroelectronics
- Storm Interface
- Stratos / Cinch Connectivity Solutions
- Sudo Systems
- Sumida
- SUNBANK
- Sunbrite
- Sundance DSP
- Sunon
- Superior Sensor Technology
- Supertex
- Susumu
- Sutajio Kosagi
- Swissbit
- Switchcraft
- Syfer / Knowles
- Symmetry Electronics
- SynDaver