CIRCOR International, Inc. designs, manufactures, and distributes valves and other engineered products, and sub-systems used in the oil and gas, power generation, aerospace, defense, and industrial markets worldwide. The company operates in two segments: Energy, and Aerospace and Defense. The Energy segment offers a range of flow control solutions and services, including valves, such as severe and general service control valves; engineered trunion and floating ball valves; and gate, globe, and check valves. This segment also provides instrumentation fittings and sampling systems comprising sight glasses and gauge valves; and liquid level controllers and switches, needle valves, pilot operated relief valves, plugs and probes pressure controllers, pressure regulators, and safety relief valves. It offers its products and services to end-user customers, such as oil companies, power generation, and process industries, as well as engineering, procurement, and construction companies, through direct sales, sales representatives, distributors, and agents. The Aerospace and Defense segment manufactures electromechanical, pneumatic, and hydraulic fluid controls; and actuation components and sub-systems. This segment’s products are used in commercial and military aircraft, including single and twin-aisle air transport, business and regional jets, military transports and fighters, and commercial and military rotorcraft; and in other applications, such as unmanned aircraft, shipboard applications, military ground vehicles, and space. This segment provides its products under various brands, such as CIRCOR Aerospace, Circle Seal Controls, Aerodyne Controls, CIRCOR Bodet, CIRCOR Industria, and Hale Hamilton. CIRCOR International, Inc. was founded in 1999 and is headquartered in Burlington, Massachusetts.