Patterson Pump is ISO 9001:2008 certified, attesting to its world-class quality and dependability. The company is continually reevaluated, with a complete reassessment every three years, to ensure all elements are maintained in keeping its products world-class.

Six Sigma is an optimized level of performance which means overall excellence, not only in a world-class finished product, but in the administrative, service and manufacturing processes throughout the company. Patterson's Six Sigma program is highly successful because it has full support of upper management, and a proven methodology that standardizes the right tools and techniques, while providing working teams with step-wise progressions in applying those tools

Patterson also holds a certificate for ISO 14001:2004,signifying that the company's Environmental Management System (EMS) has been assessed and found to be in conformance with the requirements of ISO 14001:2004. ISO requirements include an ongoing commitment by the company to document, implement, maintain, improve and communicate its Environmental Management System and policies.