Founding Goal: To fill exceptional pumps needs, abrasive and viscous substances in particular. Current Position: Warren Rupp holds a leading position in the air-operated, diaphragm pump market with the broadest range of pump sizes, types and models. Marketed primarily under the tradename of SandPIPER® Pumps. Markets Served: Principal markets served by Warren Rupp include chemicals, paints, food processing, electronics, construction, industrial maintenance, utilities, process industries, wastewater and sludge processing, and mining.