Cedar Lake Mining, Inc 7802 Highway 78, Cordova, AL 35550 Oak Grove Mine No 7 Mine Mine and Preparation Plant Warrior Met Coal Mining, Llc P.O. Box 133, Brookwood, AL 35444 ... 270 Staff Street, P.O. Box 7, Heilwood, PA 15745 Twin Brook #3 Twin Brook Coal Inc. P.O. Box 225, Clymer, PA 15728 Homer City Coal Cleaning PlantWeb