Brands starting with S
- Saab
- Saba
- Sabb Motor
- Sabine
- SAE
- Saeco
- Safescan
- Sage
- Sagem
- Sailor
- Saitek
- Salton
- Sam4s
- Sammy
- Sampo
- Samson
- Samsung
- Samurai
- Samus
- Sandisk
- Sangean
- Sanho
- Sanitas
- Sankyo
- Sansui
- Sansun
- Sanus
- Sanus Systems
- Sanwa
- Sanyo
- SAP
- Sapido
- Sapphire
- SAS
- Sata
- Sato
- Saunier Duval
- Sauter
- Sbig
- Scandyna
- Scansoft
- Schellenberg
- Scher-khan
- Schneider
- Schneider Electric
- Scholtes
- Schumacher
- Schwaiger
- Schwinn
- Scican
- Scientelec
- Scientific Atlanta
- Scion
- Sciphone
- Scopex
- Scosche
- Scotsman
- Scott
- SCS
- Scubapro
- Scubapro-uwatec
- Sd-yd250
- Se Electronics
- Seagate
- Sears
- Seat
- Seaward
- SEB
- Secure Computing
- SEG
- Sega
- SEH
- Seiko
- Sekonic
- Selecline
- Select Line
- Selectronics
- Seltron
- Senco
- Sencor
- Sendai
- Sendo
- Sennheiser
- Sensormatic
- Sentec
- Sentinel Scs
- Sentrol
- Seppelfricke
- Septam
- Sequential Circuits
- Serato
- Serif
- Servis
- Severin
- Sew-eurodrive
- SFR
- Shark
- Sharp
- Sharper Image
- Sherman
- Sherwood
- Shimano
- Shoprider
- Showtec
- Shrink Polymer Systems
- Shure
- Sibelius
- Siel
- Siemens
- Siepa
- Sigma
- Sigma Sport
- Sigmatek
- Silent Knight
- Silva
- Silvercrest
- Silverlit
- Sim2
- Sima
- Simeo
- Siminor
- Simpletech
- Simplicity
- Simpson
- Simrad
- Simu
- Simuline
- Singer
- Sip %28industrial Products%29
- Sipix
- Siplec
- Sipura
- Sirius
- Sistema
- Sitecom
- Skil
- Skoda
- Skullcandy
- Sky%252b
- Sky-watcher
- Skyline
- Skymaster
- Skype
- Skytronic
- Slant Fin
- Slendertone
- Slimdevices
- Sm Pro Audio
- Smart
- Smart Part
- Smart-clip
- Smartdraw
- SMC
- Smc Networks
- SME
- Smeg
- Smith Corona
- Smithmicro
- Smoby
- Snakebyte
- Snapper
- Snaptune
- Snom
- Snooper
- Socket
- Sodastream
- Soehnle
- Solac
- Solidworks
- Soligor
- Solo
- Solomon
- Soltek
- Somfy
- Sommerkamp
- Somogyi
- Sonar
- Sonic
- Sonic Foundry
- Sonic Solutions
- Sonicwall
- Sonim
- Sonos
- Sony
- Sony Creative Software
- Sony Ericsson
- Soundcraft
- Soundstream
- Soundtech
- Soundtracs
- Southwestern Bell
- Soyo
- Spa-quip
- Spal
- Sparklan
- Sparkle
- Speco
- Spectroniq
- Speedkey Technology
- Speedo
- Speedotron
- Spektrum
- Spendor
- Spidem
- Spikes Spider
- SPL
- Splitfish
- Sport-elec
- Sprint
- Spss
- SPV
- Spyker
- Sram
- Ssangyong
- Stabo
- Stage Accompany
- Stairville
- Stalkers
- Standard
- Standard Horizon
- Stanton
- Star
- Star Trac
- Starbucks
- Starnex
- Startech
- Staub
- Stax
- Stb Systems
- Steca
- Steelseries
- Steinberg
- Steinel
- Stiebel Eltron
- Stiga
- Stihl
- Stoneridge Electronics
- Storex
- Strong
- Studer
- Studio Projects
- Studiomaster
- Sub-zero
- Subaru
- Sun Microsystems
- Sunbeam
- Sunfire
- Sunnto
- Sunpack
- Sunpak
- Sunpentown
- Sunstyl
- Supermicro
- Superstar
- Supertech
- Supertooth
- Supportplus
- Supra
- Supratech
- Sur-gard
- Sureheat
- Suunto
- Suze
- Suzuki
- Swann
- Swatch
- Sweex
- Swisscom
- Swissphone
- Swissvoice
- Switel
- Sygic
- Sylvania
- SYM
- Symantec
- Symbol
- Symetrix
- Symphonic
- Syner-g
- Synology
- Syquest
- Systec
- Systran