Duniway Stockroom Corporation, founded by Ralph Duniway in 1976, is a manufacturer and distributor of Ultra-high vacuum equipment and components. We provide high quality products, both new and used to the vacuum equipment market. Our customers are worldwide, represented by universities, government laboratories, research institutions, OEMs, Fortune 500 corporations and smaller end-users. We also provide a selection of rebuilding services to our customers for the pumps we manufacture as well as other competing brand names. We take pride in providing comprehensive information about our products and their applications for our customers. Our knowledgeable customer service representatives provide informed assistance to help meet our customer's requirements.