Electronics makers concerned about quality and consistency can put their products through the Teradyne tests. The company is a leading supplier of automated test equipment and a maker of systems for testing semiconductors. Teradyne caters to electronics manufacturing services suppliers, as well as OEMs who use its test systems to analyze complex electronics used in the computing, consumer electronics, military/aerospace, and telecommunications industries. Customers include Apple, government contractors, and the US government. Teradyne has operations in Asia, Europe, and the Americas; but it generates the majority of sales from customers in Asia.