CONSOL Energy Inc. engages in the production of bituminous coal. It focuses on the extraction and preparation of coal in the Appalachian basin. It operates through Pennsylvania Mining Complex segment, which consists of mining, preparation, and marketing of thermal coal, sold primarily to power generators. The company operates through the following segments: PAMC and CONSOL Marine Terminal. The PAMC segment includes mining, preparation and marketing of thermal coal. The CONSOL Marine Terminal segment provides coal export terminal services. CONSOL Energy was founded in 1864 and is headquartered in Canonsburg, PA.