ECU Electronics Industrial Co. Ltd. - Manufacturers switching and linear power supplies and transformers, toroidal transformer and reactors. Power Amp Design - Suppliers of high voltage, high current, and high power amplifiers for industrial applications. Selection guide, specifications, and price list provided. Ensign Power Systems, Inc. - Specializes in the manufacturing of high reliability custom power supplies for the commercial, industrial, military, medical, and avionics markets. Granite Power Technologies - Specialized in designing and manufacturing custom power supplies suited to customers needs. 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. Tri Source, Inc. - Manufactures custom power supply solutions from 75 watts to 8,000 watts. Davtrend Electronic Engineers - Design and manufacture of AC-DC, DC-DC and DC-AC power supplies and systems. Power supply consultation. Craftsmans Electric - Manufacturer of custom power supplies, UPS, battery chargers, inverters and voltage regulators. Magnus Power - Manufacture of frequency converters, and specialist ac and dc power products. Semiconductor Circuits, Inc. - Develop, design and manufacture DC/DC converters, 5W-300W and AC/DC power supplies. Specialize in modified- standards and custom converters per customers specifications. USA. Alfatronix LTD - Manufacture of voltage converters and power supplies for both land and mobile applications. Mike Rectifiers - Electrical Engineers Sydney, Australia - Designers and speciality manufacturers of engineered industrial electrical (power electronic) power supplies. Crane Aerospace & Electronics - Manufacturer of high power, AC/DC and DC/DC power supplies and TWT amplifier and transmitter solutions for military applications.