Descrição There's a whole lotta shakin' goin' on at QualMark, a maker of durability testing equipment that exposes design and manufacturing-related defects in products. It also offers Highly Accelerated Life Test (HALT) and Highly Accelerated Stress Screen (HASS) test services. Its equipment includes Omni-axial Vibration Systems and Typhoon Combined Stress Systems. Its Advanced Reliability Test Centers (ARTC) perform vibration, stress, and fast-forward-aging testing. Customers are in the computer, consumer electronics, medical, military/aerospace, and telecommunications industries.