At JAECO, we manufacture plunger pumps, diaphragm pumps, and check valves that stand the test of time. Our products are 100% made in Pennsylvania from the highest quality American materials. Due to their durability and longevity, JAECO pumps are currently used around the world wherever reliable fluid movement is required, including these applications: - Agricultural - Chemical - Government - Defense/Military - Water Treatment - Public Utility - Refining - Fuel Additives - Fiberglass Manufacturing - Automotive - Industrial Coatings - Vehicle Washing - And More