Blackmer manufactures the highest-quality industrial gear pumps for the safe and efficient transfer of high-value and hard-to-seal fluids. With a combination of patented and standard setting designs, our mission is to engineer the world's safest and most reliable internal gear pumps by understanding our customers' needs and providing unparalleled customer service. Assembled in the USA and backed by an industry leading 5-year warranty, Blackmer internal gear pumps are second to none.