Marques
- SABRENT
- Safescan
- Saft
- SAGEM
- Samsung
- Samyang
- Sandberg
- Sandisk
- SANYO
- SAPPHIRE
- Sasco
- Satechi
- Sato
- Saville Audio Visual
- SC Johnson
- Scale Computing
- Schneider AG
- Scotch
- Scotch-Brite
- Scotchgard
- SCREENBEAM
- Seagate
- Seagull
- SEALPATH
- Seasonic
- Securepoint
- SECUREWORKS
- Securit
- Sedna
- SEH
- Seiko Instruments
- Sellotape
- SENNHEISER
- SEVERIN
- Sewoo
- Shark
- Sharkoon
- Sharp
- Sharp/NEC
- Sharpie
- Shield
- Shokz
- Show-me
- Shure
- Shuttle
- Sigel
- SIGMA
- SIGNAGELIVE
- Silicon Power
- Silva Schneider
- SILVER PEAK
- Silverstone
- Silvine
- SIM2
- SK Hynix
- Skross
- Skullcandy
- SKYBOX
- Skyhigh Security
- Smart
- SMART Technologies
- Smartbox
- SMS Smart Media Solutions
- Snakebyte
- Snom
- Snopake
- SNT
- SOCKET MOBILE
- SOLIDIGM
- SONICWALL
- Sony
- Sophos
- Sound United
- Soundpeats
- Sparkle Technology
- Speck
- Spectralink
- SPEEDLINK
- SPIGEN
- SPIGRAPH
- Sprint
- Stabilo
- Staedtler
- Standivarius
- Stanley
- STAR
- Star Micronics