Sunpower (UK) Ltd Manufacture, design and distribute switched mode and linear power supplies, as well as battery chargers and larger industrial power supplies for hot swap andredundant applications.
Power Quality Inc Provides power conditioners, uninterruptible power supplies , power recorders and analyzers. Also offered are consulting services to analyze the customer's electrical power quality and grounding.
MIL Electronics Home Page Manufactures High Voltage : (to 2000V), Medium Voltage : (to 100V) and low voltage / low emi, DC to DC and AC to DC, power supplies for use in scientific apparatus.