Virtual Technologies Designs and manufactures DC-DC converters, DC-AC inverters, frequency and phase converters, and MPPT power supplies. http://www.virtualtechnologiesltd.com/Power_Supplies/alt_energy_power.htm

Gaïa Converter Provides technical information and data sheet on 3500 products and related technical notes for typical applications including aerospace/defense, industrial, transportation telecom market. http://www.gaia-converter.com/

PowerAmp Design Electronic power amplifier design consulting design capability including surface mount and chip-and-wire for high voltage, high current and special purpose power amplifiers. http://www.powerampdesign.net

Ensign Power Systems, Inc. Specializes in the manufacturing of high reliability custom power supplies for the commercial, industrial, military, medical, and avionics markets. http://www.ensignpower.com

Physique and Industrie - Custom Converters Innovative Custom Power Supplies using the state-of-the-art technology. Any type of converters including PFC, DC, AC, High Voltage, Pulse generator, Spot welding generator, from 1kW to 1 GW. http://www.physiqueindustrie.com/custom_converter.htm

Granite Power Technologies Specialized in designing and manufacturing custom power supplies suited to customers needs. http://www.granitepower.com/

Enoch Corporation Manufactures low-voltage LED light strips, custom power supplies, UPS, battery chargers and power converters, for consumer, military, medical, communications, and computer industries. http://www.enochcorp.com/

Fug Elektronik German manufacturer of high and low voltage power supplies for science and industry. Site in English and German and includes product photos and specifications. http://www.fug-elektronik.de/

Tri Source, Inc. Manufactures custom power supply solutions from 75 watts to 8,000 watts. http://www.trisourceinc.com

Davtrend Electronic Engineers Design and manufacture of AC-DC, DC-DC and DC-AC power supplies and systems. http://www.davtrend.co.uk

ECU Electronics Industrial Co. Ltd. Manufacturers switching and linear power supplies and transformers, toroidal transformer and reactors. http://www.ecu.com.cn

Craftsmans Electric Manufacturer of custom power supplies, UPS, battery chargers, inverters and voltage regulators. http://www.sunups.com

Enertron s.l. Manufactures inverters, converters and UPS systems for high power applications. http://www.enertron.net

General Atomics Energy Products Division of Sorrento Electronics Designs and manufactures custom high voltage and high power switching power supplies, capacitors, pulse-forming networks, subsystems and systems. http://www.gaep.com/

Magnus Power Manufacture of frequency converters, and specialist ac and dc power products. http://www.magnuspower.co.uk

Keltec, A Crane Co. Company Manufacturer of high power, AC/DC and DC/DC power supplies and TWT amplifier and transmitter solutions for military applications. http://www.keltec.com/

Semiconductor Circuits, Inc. Design and manufacture low powered DC/DC converters and AC/DC power supplies. http://www.dcdc.com

Alfatronix LTD Manufacture of voltage converters and power supplies for both land and mobile applications. http://www.alfatronix.co.uk

Mike Rectifiers - Electrical Engineers Sydney, Australia Designers and speciality manufacturers of engineered industrial electrical (power electronic) power supplies. http://www.mike-rectifiers.com.au

Standby Power System Consultants, Inc. Provides engineering, consulting, testing, maintenance and installation service for stationary battery, dc power, critical power, energy storage and renewable energy system applications. http://standbypowersys.com/