Corsa Coal 

Corsa Coal Corp. mines, processes, and sells metallurgical coal. The company is also involved in exploring, acquiring, and developing coal resource properties. It produces and sells metallurgical coal used for the production of coke from its mines in the Northern Appalachia coal region of the United States. The company serves steel and coke producers. It markets and sells its coal in North America, South America, Asia, and Europe. The company is headquartered in Friedens, Pennsylvania.