Southwestern Energy Co. is a holding company, which engages in the exploration, development, and production of natural gas, oil, and natural gas liquids (NGLs). It operates through the Exploration and Production (E&P), and Marketing segments. The E&P segment includes operations in northeast Pennsylvania, West Virginia, and southwest Pennsylvania, The Marketing segment deals in the marketing and transportation of natural gas, oil and NGLs primarily produced in E&P. The company was founded on July 2, 1929 and is headquartered in Spring, TX.
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