Teradyne, Inc. engages in the development and sale of automatic test systems. It operates through the following business segments: Semiconductor Test, Robotics, and All Other. The Semiconductor Test segment designs, manufactures, and markets semiconductor test products and services. The Robotics segment includes operations related to the design, manufacturing, and marketing of collaborative robotic arms, autonomous mobile robots, and advanced robotic control software. The company was founded by Alexander V. d'Arbeloff and Nicholas DeWolf in 1960 and is headquartered in North Reading, MA.