Alex Housten

United Technologies Corp. engages in the provision of products and services to the building systems and aerospace industries worldwide. It operates through the following business segments: Otis; Carrier; Pratt and Whitney; and Collins Aerospace Systems. The Otis segment designs, manufactures, sells, and installs elevators, escalators, moving walkways, and service. The Carrier segment provides heating, ventilating, air conditioning, and refrigeration solutions. The Pratt and Whitney segment includes aircraft engines for the commercial, military, business jet, and general aviation markets. The Collins Aerospace Systems segment offers technologically advanced aerospace products and aftermarket service solutions for aircraft manufacturers, airlines, regional, business and general aviation markets, military, space and undersea operations. The company was founded in 1934 and is headquartered in Farmington, CT.

Part of RTX Corp., United Technologies Electronic Controls, Inc. is a manufacturer of microprocessor-based controls for heating, ventilation, air-conditioning, and refrigeration. The private company is based in Huntington, IN.

Security Industry Association provides liaison between the security industry and the government. It also provides educational resources, training programs, government relations and member services. The company is headquartered in Silver Spring, MD.