<p><b>Sonatest Ltd</b> was founded in 1958 and is headquartered in Milton Keynes, United Kingdom, with an additional research centre located in Quebec City, Canada. The company is a global developer and manufacturer of rugged, portable ultrasonic non-destructive testing (NDT) instruments.</p><p>Sonatest's instruments are used internationally across aerospace, energy, heavy fabrication, petrochemical, and transportation sectors to inspect welds, composite structures, pipelines, and primary metal components for internal flaws and wall thinning.</p>