Teradyne, Inc. engages in the development and sale of self automatic test systems. It operates through the following segments: Semiconductor Test, Industrial Automation, System Test, and Wireless Test. The Semiconductor Test segment designs, manufactures, and markets semiconductor test products and services. The Industrial Automation segment includes the operations related to design and manufacture of collaborative robotic arms, mobile robots, and advanced robotic control software. The System Test segment comprises the marketing of products and services for defense instrumentation test, storage test, and circuit-board test. The Wireless Test segment consists wireless test products and services. The company was founded by Alexander V. d'Arbeloff and Nicholas DeWolf in 1960 and is headquartered in North Reading, MA.