Test Research, Inc., along with its subsidiaries, designs, assembles, manufactures, sells, and repairs automated inspection and testing equipment across Asia, the Americas, Europe, and other international markets. Its offerings include optical inspection solutions such as 3D solder paste inspection, automated optical inspection, conformal coating inspection, and automated X-ray inspection. The company also provides electrical test products, including manufacturing defect analyzers and in-circuit testers, as well as optical and X-ray inspection solutions. Founded in 1978, Test Research, Inc. is headquartered in Taipei, Taiwan.