Hydraulics International, Inc.

Established in 1976, Hydraulics International, Inc. (HII) has been recognized as one of the largest aircraft ground support and maintenance equipment technology companies in the world. We hold leading market positions in ammunition loading systems, aircraft hydraulic system and components testing, aircraft cabin pressure testing, power systems, environmental control systems, military trailers, high pressure gas and liquid systems, flow measuring equipment, and integrated logistics and support services. In a rapidly changing MRO environment, HII is your key to success, from Flight Line Maintenance, to Depot Level Maintenance, we will help you maintain your competitive edge and expand your capabilities.