Membership in the Hydraulic Institute is on a corporate basis.  Companies that manufacture pumps or supplies/software used with pumps and pumping systems for sale in North America are welcome to apply.  Companies and individuals who are engineering consultants, pump end-users, academics and industry retirees may participate in HI through several Partnership Programs.  Learn more about Hydraulic Institute Partnership Programs.

Application Process: To apply for membership, submit a completed application form with the appropriate dues and fees payment to the address indicated on the form.  When your application is received, you will receive an acknowledgement by email followed by a hardcopy by mail.  Your application is submitted to the HI Board of Directors for approval.  The Board members have 30 days in which to consider the ballot and submit their vote.  Approval requires two thirds affirmative votes of the completed Board ballots.  If your membership is approved, you will receive a welcome letter with a request for additional information to complete our records and details on the membership benefits available.  If your membership is not approved, you will receive a letter of explanation and all dues and fees will be returned.

Application forms and dues calculations vary depending on the type of company and whether or not you are a North American manufacturer.  Use the links at the left to get more information including eligibility requirements, application forms and estimated dues calculations.

If you would like to receive more information on membership, complete our Information Request Form or contact Membership@Pumps.org.