Alliance Holdings GP, L.P. (AHGP) owns directly and indirectly 100% of the members' interest in Alliance Resource Management GP, LLC (MGP). MGP is a managing general partner of Alliance Resource Partners, L.P. (ARLP). The ARLP Partnership is a diversified producer and marketer of coal primarily to United States utilities and industrial users. The Company operates in four segments: Illinois Basin, Appalachia, White Oak, and Other and Corporate. The ARLP Partnership operates in the eastern U.S. as a producer and marketer of coal to major utilities and industrial users. The ARLP Partnership operates ten underground mining complexes in Illinois, Indiana, Kentucky, Maryland and West Virginia. The ARLP Partnership also operates a coal loading terminal on the Ohio River at Mt. Vernon, Indiana.