PT Delta Dunia Makmur Tbk operates as a holding company, which engages in the provision of property development and coal exploration services. It operates through the Coal Mining and Mining Services; and Investment. It offers coal mining services such as mining infrastructure and development; land clearing, removal of top soil; drilling and blasting; overburden removal; coal hauling; and mine sites reclamation and rehabilitation. The company was founded on November 26, 1990 and is headquartered in Jakarta, Indonesia.