HII has been recognized as one of the largest defense ground support equipment technology companies in the world. We hold leading market positions in ammunition loading systems, aircraft hydraulic system 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.
Maintenance Repair Operations of Military Aircraft Ground Support Equipment
Military Aircraft Maintenance Repair Overhaul (MRO) Equipment
Aviation Maintenance Equipment
Military Aircraft MRO Equipment
Military Aerospace MRO Equipment
Military Aviation MRO Equipment
Military MRO
Commercial MRO
Aerospace MRO
Defense Ground Support Equipment
MRO Aerospace GSE
MRO Aircraft Aviation GSE
Aircraft GSE and MRO
Aircraft MRO and GSE
Aircraft Tooling & Ground Support Equipment 
HII aircraft ground support systems are critical to the on-going sustainment of military and commercial aerospace readiness for the existing global fleet as well as the long-term operations of next-generation aircraft. Over the past 40 years, HII has provided thousands of AGSE into the field in direct support of active U.S. military aircraft on a global basis.
Established in 1976, HYDRAULICS INTERNATIONAL, INC. acquired the Hydraulic System Division of Greer Hydraulics. Since the 1940s, Greer designed and manufactured more test stands than all the competition combined. Coupled with Greer’s past success, HII has a
40+ year history of cutting edge support equipment ingenuity and new product technology innovation in Aviation Ground Support Equipment and Test Stands.
HII has also become a valuable partner to many of the largest aerospace companies. With preferred supplier status from companies such as Boeing, Airbus, Lockheed Martin, Northrop Grumman, BAE Aerospace, NASA, and the Department of Defense, Hydraulics International is consistently approached for the latest and most reliable support equipment available. With commercial and military equipment sales into countries globally, Hydraulics International is recognized in the world as the leading supplier of aircraft ground support equipment.
Hydraulics International, Inc. is one of the world’s leading manufacturers of both military and commercial aircraft ground support equipment (GSE).
(HII) has over 40 years history of cutting edge aircraft ground support equipment (GSE) ingenuity and new product technology innovation in three main business units:
1) Defense/Aviation/Commercial Ground and Engineering Support Equipment Systems (GSE).
2) Pneumatic Driven Liquid Pumps / Pneumatic & Electric Driven Gas Boosters / Air Amplifier Systems / Pneumatic & Electric Driven Nitrogen & Oxygen & Hydrogen & Helium & Argon & Carbon Dioxide & Mixed Gas Systems / Hydrostatic Test Pumps / High Pressure Components & Valves
3) Flow Metering / Analyzing / Totalizing Systems.
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