Approved through Pump Test Lab Approval Program, Hydraulic Institute (HI) member company Hydro, Inc. represents first organization with their pump test laboratory located at 1126 West 40th Street, Chicago, IL 60609. Aforementioned program helps pump OEMs and other pump test laboratories improve their current laboratory procedures and policies. Specifically, experienced third-party auditors help develop and maintain accurate, uniform, and repeatable pump testing protocols.