PT Holcim Indonesia Tbk is a cement-based building materials and services provider with operations in Indonesia and Malaysia. It supplies homebuilding products, as well as products for commercial and infrastructure projects. Its operations include two cement plants on Java which were located at Narogong and Cilacap and a 1.7 million tonnes plant under construction at Tuban; two cement grinding stations in Johor Bahru, Malaysia and Ciwandan, West Java; Holcim Beton, a subsidiary which operates some of the aggregates quarries in Indonesia and a ready-mixed concrete network of batching plants. As of December 31, 2011, the Company's subsidiaries were PT Holcim Beton, PT Readymix Concrete Indonesia, PT Pendawa Lestari Perkasa, PT Bintang Polindo Perkasa, PT Semen Dwima Agung and Holcim (Malaysia) Sdn. Bhd.