Peabody Energy Corporation is a St. Louis-based coal producer operating 26 active mining sites across the United States and Australia. The company manages approximately 6.3 billion tons of coal reserves and 500,000 acres of surface property, supplying thermal coal to electricity generators and metallurgical coal to steel manufacturers. With a workforce of roughly 7,100 employees, the firm operates through seven business segments, including Powder River Basin, Midwestern and Western U.S. mining, and Australian thermal and metallurgical operations.