PT Ancora Indonesia Resources Tbk, together with its subsidiaries, operates in the explosives industry in Indonesia. The company imports, manufactures, trades in, and distributes ammonium nitrate and nitric acid that are used as explosives in coal and mineral mining operation, public works, and the cement industry, as well as explosives related accessories. It offers drilling and work-over of oil well services; blasting services; mining services; and shipping services. The company was formerly known as PT TD Resources, Tbk and changed its name to PT Ancora Indonesia Resources Tbk. in December 2008. The company was incorporated in 2003 and is headquartered in Jakarta Selatan, Indonesia.