Teradyne, Inc. supplies automation equipment for test and industrial applications. It operates through the following segments: Semiconductor Test, System Test, Wireless Test, and Industrial Automation. The Semiconductor Test segment designs, manufactures, sells, and supports semiconductor test products and services which are used both for wafer level and device package testing. The Systems Test segment comprises of defense and aerospace, storage test, and production board test business unit. The Wireless Test segment designs, develops, and supports advanced wireless test equipment for the manufacturing of wireless devices such as smart phones, tablets, notebooks, laptops, personal computer peripherals, and other Wi-Fi, bluetooth, near field communication and cellular enabled devices. The Industrial Automation segment supplies collaborative robots that work side by side with production workers. The company was founded by Alexander V. d'Arbeloff and Nicholas DeWolf on September 23, 1960 and is headquartered in North Reading, MA.