Trio-Tech International, founded in 1958, designs and sells equipment and systems used in the manufacture and testing of semiconductors. The company s centrifuges, leak testers, rate of turn tables and burn-in equipment are primarily used to test finished semiconductor products and other microelectronic products at the back end of the manufacturing process. The wet process equipment and temperature-controlled chucks are used to test the semiconductors at various stages in the front end of the manufacturing process. Trio-Tech also provides semiconductor-testing equipment manufactured by other companies. Trio-Tech sells its products and provides testing and distribution services through facilities in the United States, Europe and the Far East. The corporate headquarters is located in Van Nuys, Calif.