ISSPRO, Inc. is a global supplier of electronic instrumentation, sensors, and controls for monitoring engine and vehicle syst ... ems. ISSPRO products are used by OEM customers in a wide variety of applications, and are also available through a global network of warehouse distributors. ISSPRO boasts a history of over 70 years as an American manufacturer of quality products. The company’s founding family is still involved in day to day operations, and fosters a culture of customer service and pride in workmanship. Headquartered in Portland, Oregon; we are ISO 9001:2015 and IATF 16949:2016 certified by DQS as a manufacturer of motor vehicle components and accessories. read more