Profile: P G S Companies produces HVAC/air handling equipment components. Our OEM engineered products include custom molded rubber & plastic shapes, extruded molded rubber and plastic profiles. We offer controls, valves, pumps, and polyethylene. Our pump line includes piston diaphragms, centrifugal and plungers. Our bearing isolation includes pumps, bearing housings, gearboxes and pillow block bearings. We are accredited with ISO 9001:2000 certification.