Patriot Coal Corporation is a U.S. coal producer controlling approximately 1.4 billion tons of proven and probable coal reserves across the Central Appalachia and Southern Illinois basins. The company operates eight active mining complexes in West Virginia, employing approximately 2,870 workers. Its operations focus on the production and preparation of thermal coal for electricity generators and metallurgical coal for steel and coke producers. In 2014, the company sold 22.4 million tons of coal, with 44% of total volume attributed to export sales.