Anderson Greenwood was established in 1947 in Houston, Texas. The company manufactures high pressure relief valves (both performance pilot operated and direct spring operated) and other specialty products (including instrumentation valves, manifolds, safety selector valves and tank blanketing regulators). Used in applications including offshore oil & gas production, gas processing, refinement, and petrochemical and chemical processing, Anderson Greenwood is a premier supplier of a wide range of D/P (differential pressure) instruments.In 1986, Anderson Greenwood was purchased by Keystone International which was acquired by Tyco Flow Control in 1997. As a subsidiary of Tyco, Anderson Greenwood merged with Crosby to form Anderson Greenwood Crosby, the name by which the company currently goes by.


Founded in 1976 and based in Carlsbad, New Mexico, Celtech Corporation specializes in designing and manufacturing Mil IM (military intermediate) jet and turboprop mobile engine test stands, including electronic systems and integration. Additionally, Celtech designs and fabricates complex rocket engine automatic test sets, auto-tuning RF aperture coupled triple coaxial cavities, and software intensive data acquisition systems.In 1997, the company acquired Space Corporation to further its ventures into this field.


AMI Industries specializes in the development, production, and servicing of emergency evacuation systems, seating systems, life rafts and training equipment, and literature pockets for commercial aircrafts. Based in Colorado, the company was incorporated in 1987. The company was previously a subsidiary of Goodrich Corporation’s Interiors division under Special Seating Systems.


Hamilton Sundstrand, a current subsidiary of United Technologies Corporation, is an aerospace and industrial products manufacturer for worldwide commercial, civil, and defense markets. The company was formed via the merger of Hamilton Standard and Sundstrand Corporation in 1999, both aerospace companies, thus forming Hamilton Sundstrand. Goodrich Corporation and Hamilton Sundstrand were both subsequently merged to the company in its current state as UTC Aerospace Systems.Hamilton Sundstrand, still an active subsidiary, reports annual revenue of $6.2 billion, with 17,158 employees. UTC Aerospace Systems is currently one of the largest suppliers of aerospace as well as defense products. They support commercial, regional, business, military aircraft, helicopters, and other platforms. Their main business segments are broken down as follows:


Goodrich, now a subsidiary of the international conglomerate United Technologies Corporation, which is a high-profile manufacturer of technology products that include aircraft engines, helicopters, HVAC, fuel cells, elevators and escalators, fire and security, building systems, and industrial products, among many other miscellaneous products. They are an S&P 500 Component publicly-traded company with $58.190 billion in annual revenue. UTC is a very large military contractor, providing missile systems, military helicopters, and other military aerospace platforms to the US government and also abroad. Goodrich, also currently an American aerospace manufacturing company based in Charlotte, North Carolina, supplies products such as actuation systems, aerostructures, aircraft wheels and brakes, electrical power systems, engine components, engine control systems, engineered polymer products interiors, ISR systems, undercarriage/landing gear, and sensors and integrated systems, among others. Their business divisions are composed of the following:


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