Hannon Hydraulics repairs & manufactures hydraulic equipment while specializes in hydraulic cylinders. Hannon produces equipment for specialty markets like oil and gas, steel mills, mining, aerospace, defense, industrial plants, power plants, shipbuilding, dams and construction. It uses summit machine tool equipment to produce and repair custom hydraulic cylinders, hydraulic actuators, hydraulic pumps, hydraulic valves, hydraulic motors, marine riser tensioners, motion compensation systems, BOP lift cylinders, BOP test stumps, accumulator assembly systems, hydraulic power units (HPU), conductor pipe tensioners, cantilever lift systems and riser lifting systems. In addition to heavy duty equipment fabrication, Hannon also supplies parts, provides repair service, recertifies equipment and offers global field service for the custom equipment it manufactures.