Southwestern Energy Co (Southwestern) is an independent oil and gas company. Its primary activities are exploration, development, and production of natural gas, crude oil, and natural gas liquids. It also provides other services including hydraulic fracturing, drilling, water management and movement, and commercial and asset management services for energy and production operations. The company markets and transports natural gas, natural gas liquids (NGLs) and oil. It offers products to major utilities, energy companies, LNG exporters, and natural gas purchases. Southwestern operates in its core positions under the Appalachia and Haynesville natural gas basins in Ohio, Louisiana, West Virginia, and Pennsylvania, the US. Southwestern is headquartered in Spring, Texas, the US.