CIRCOR International is a global manufacturer of valves, instrumentation, pumps, and other products for the energy, industrial, and aerospace markets. The company was founded in 1999 and is headquartered in Burlington, Massachusetts. CIRCOR has manufacturing facilities and sales offices in North America, Europe, Asia, and the Middle East. The company's products are used in a variety of applications, including oil and gas production, power generation, and aerospace and defense. CIRCOR is publicly traded on the New York Stock Exchange under the ticker symbol CIR.