Little girls who love horses won't necessarily love this Black Beauty. A subsidiary of Peabody Energy, Black Beauty Coal Company operates about half a dozen coal properties in Indiana and in Illinois. The company primarily supplies power companies in the Midwestern US. Black Beauty holds a 75% stake in the United Minerals Company and operates the properties owned by fellow Peabody subsidiary Coulterville Coal. Peabody made Black Beauty a wholly owned subsidiary in 2003. Black Beauty produces somewhere around 25 million tons of compliance, medium sulfur, and high sulfur stem coal annually.