Based out of Windsor Locks, Connecticut, Hamilton Sundstrand (as United Technologies) is the 6th-largest defense contractor in the world with US$3.67 billion in contracts-2.77% of total contracts funds awarded by the US Department of Defense in the fiscal year 2014. In 2012, Hamilton Sundstrand merged with another industry leader Goodrich Aero structures to form UTC Aerospace Systems-one of the world's leading suppliers of electric, flight control, and propulsion systems for commercial, regional, and military aircrafts.
Hamilton Sundstrand's participates in the following notable programs:
- In 2010, Rolls-Royce picked Hamilton Sundstrand to be the exclusive provider of the FADEC (Full Authority Digital Engine Control) system of small gas turbines.
- In 2010, the US Army Aviation and Missile Command (AMCOM) granted Hamilton Sundstrand a 5-year Indefinite Delivery, Indefinite Quantity (IDIQ) contract for providing the Auxiliary Power Unit (APU) for the US Army's and US Navy's Black Hawk/Sea Hawk helicopter program.
- In 2012, the US Army awarded Hamilton Sundstrand a US$46 million Overhaul & Repair contract to provide maintenance support for the T700 fuel controls of its Sikorsky UH-60 Black Hawk helicopters.
- In 2014, Hamilton Sundstrand won a US$7.3 million dollar contract from the Naval Supply Systems Command Weapon Systems Support to repair the constant frequency generators of its fleet of Bell Boeing V-22 Osprey tiltrotors.
- In 2014, Airbus recognized Hamilton Sundstrand at the Paris Air Show as a Top 10 Airbus supplier for the 5th consecutive year in a row.
Today, Hamilton Sundstrand (as UTC Aerospace Systems) boasts annual sales of US$14 billion, with 150 facilities operating out of 26 countries.