Key Players Covered Some of the major companies that are present in the global diaphragm pump market are Dover Corporation, IDEX Corporation, Yamada America, Inc., Verder Liquids, LEWA Pumps Systems, GRUNDFOS, Ingersoll Rand, Leak Proof Engineering Pvt. Ltd., Tapflo Pumps UK, SPX FLOW, Inc., Xylem Inc., and Flowserve Corporation.