Safety Power

Samsung

Sanken

Sanyo

Schaefer

Schiederwerk

Sanmina

Schroff

Seasonic

Seventeam

Sentron

Sharp

Shindengen

Shuttle

Siemens

Sierracin

Sincho

Sinpro

Skynet

SL Power

Sola/ Hev-Duty

Sony

Sorensen

Source Electronics

Sparkle Power Inc

Sparkle Specialix

Spellman HV

SSI

Stadium Power

ST Microelectronics

Star Tech

Sure Star

Sunny Computer

Sunpower

Sun-Korea Electronic

Suntek

Sun Microsystems

Stontronics

Synqor

Switching Power

Sunus

S - Listing of Power Supply Manufacturers