PT Delta Dunia Makmur Tbk, through its subsidiaries, operates as a mining contractor in Indonesia. The company provides coal mining services, such as mining infrastructure development and construction, land clearing, removal of top soil, drilling and blasting, overburden removal, coal mining, hauling, and reclamation and rehabilitation of mine sites under long-term operating agreements with coal producers. It also engages in the rental of heavy equipment. The company was founded in 1990 and is headquartered in Jakarta, Indonesia.