Alliance Holdings GP, L.P. is a limited partnership company. The Company owns directly and indirectly 100% of the members' interest in Alliance Resource Management GP, LLC (MGP), the managing general partner of Alliance Resource Partners, L.P. (ARLP). The Company's segments include Illinois Basin, Appalachia, and Other and Corporate. The Illinois Basin segment consists of various operating segments, including Webster County Coal's Dotiki mining complex, Gibson County Coal's mining complex, Hopkins County Coal's mining complex, White County Coal's Pattiki mining complex, Warrior's mining complex, Sebree Mining's mining complex, River View's mining complex and the Hamilton mining complex. The Appalachia segment consists of various operating segments, including the Mettiki mining complex, the Tunnel Ridge mining complex and the MC Mining mining complex. The Other and Corporate segment includes Alliance Service, Inc. (ASI) and its subsidiary, Matrix Design and its subsidiaries.