PT Darma Henwa Tbk, together with its subsidiaries, engages in mining support and other excavation activities, and machine repair for special purposes in Indonesia. It operates through two segments, Mining Services and Other Services. The company is involved in various mining activities, including land clearing, top soil management, drilling, blasting, overburden removal and dumping, mining, run of mine, transportation, crushing, barging, vegetation, and rehabilitation. In addition, it engages in coal hauling and coal barging businesses. Further, the company engages in road and bridge construction for mining areas, mining dressing plant installation, earthworks, drilling exploration, and civil consultant management activities, as well as operates lease. Additionally, it provides port management services comprising operational activities for the coal crushing and blending process, coal stockpile management service at the port, maintenance of power plants and the supporting equipment, port equipment maintenance service, and other services. Furthermore, the company is involved in civil engineering related businesses. It also engages in highway construction, bridge and flyover, tunnel, residential, office, industrial, and non-fishery port building, as well as land preparation and other building construction services. The company was formerly known as PT HWE Indonesia and changed its name to PT Darma Henwa Tbk in September 2005. PT Darma Henwa Tbk was incorporated in 1991 and is based in Jakarta, Indonesia.