Helicopter Support is a subsidiary of United Technologies Corporation, a worldwide technology company with a long history of pioneering advancements in aerospace, aviation, helicopter design, climate control, elevator design and hydrogen fuel cells. Helicopter Support is a leader in providing complete factory authorized services for Sikorsky Aircraft's S-61, S-70, S-92 and S-76 helicopters. HSI is an authorized Bell Helicopter Textron, Robinson Helicopter and Schweizer Aircraft Corporation service center and is also an authorized distributor for many other manufacturers. The company was selected by General Electric's aircraft engine division to become one of the first members of The G.E. Worldwide Engine Network. Services provided by the company include spare parts, repairs, distribution, overhaul, components, machining, hydraulics, bonding, electrical work and administration. Helicopter Support is located in Trumbull, Conn.