1 EXHIBIT 21 STATE OF INCORPORATION SUBSIDIARIES OF THE COMPANY /ORGANIZATION ------------------------------------------------------------ -------------- Anker Group, Inc. .......................................... Delaware Simba Group, Inc. .......................................... Delaware Anker Energy Corporation ................................... Delaware Patriot Mining Company, Inc. ............................... West Virginia Vindex Energy Corporation................................... West Virginia New Allegheny Land Holding Company, Inc. ................... West Virginia Bronco Mining Company, Inc. ................................ West Virginia The Sycamore Group, L.L.C. ................................. West Virginia Summit Energy Group, L.L.C. ................................ West Virginia Anker West Virginia Mining Company, Inc. ................... West Virginia Hawthorne Coal Company ..................................... West Virginia Heather Glen Resources, Inc. ............................... West Virginia Upshur Property, Inc. ...................................... Delaware Melrose Coal Company, Inc. ................................. West Virginia Juliana Mining Company, Inc. ............................... West Virginia Anker Virginia Mining Company, Inc. ........................ Virginia Vantrans, Inc. ............................................. Delaware King Knob Coal Co., Inc. ................................... West Virginia Marine Coal Sales Company................................... Delaware U.S. Coal Sales Company, LLC................................ Kentucky Anker Power Services, Inc. ................................. West Virginia Anker Capital Corporation................................... West Virginia Oak Mountain Group, Inc. ................................... Alabama Anker-Alabama, L.L.C. ...................................... Delaware Shelby Energy Group, L.L.C. ................................ Delaware Oak Mountain Energy, L.L.C. ................................ Alabama