About

About Strainrite Companies The Strainrite Companies is a family-owned manufacturer of advanced liquid and gas filtration solutions serving global markets since 1978. Our ISO 9001:2015–certified facility in Auburn, Maine pairs decades of application expertise with responsive customer service and innovative product development. We partner with customers across biopharmaceutical, semiconductor, food & beverage, chemical processing, and water treatment industries to deliver solutions that maintain product integrity, ensure process consistency, and optimize operational efficiency. The Strainrite Companies is a family-owned manufacturer of advanced liquid and gas filtration solutions serving global markets since 1978. Our ISO 9001:2015–certified facility in Auburn, Maine pairs decades of application expertise with responsive customer service and innovative product development. We partner with customers across biopharmaceutical, semiconductor, food & beverage, chemical processing, and water treatment industries to deliver solutions that maintain product integrity, ensure process consistency, and optimize operational efficiency.