PT Dian Swastatika Sentosa Tbk, together with its subsidiaries, operates as an energy and infrastructure company in Indonesia, China, India, rest of South Asia, Korea, and internationally. It operates through Supply of Steam and Electricity; Fertilizer and Chemicals Trading; Rent; and Coal Mining and Trading segments. The company engages in the supply of coal for industrial needs and to independent power producers; developing geothermal projects and renewable energy initiatives; solar panel production and rooftop solar PV solutions; and data center development. It also offers internet services and technology services, including cloud computing, big data, and IT solutions for the business sector; DANA, a digital financial services platform for payment and electronic transaction solutions; SRX and ASIX technology- and AI-based platforms for supply chains and industrial needs; Vidio, an OTT-based video streaming media and entertainment service; and KUPU, a digital platform for recruitment and workforce development services. In addition, the company provides a range of technical chemicals and fertilizers for the plantations and forestry, agriculture and palm oil processing, pulp and paper, textiles, food and beverage manufacturing, mining, oil and gas, and power generation sectors; and logistics, warehousing, and technical support services. Further, it invests in the electricity and health sectors. The company was incorporated in 1996 and is based in Jakarta, Indonesia. PT Dian Swastatika Sentosa Tbk is a subsidiary of PT Sinar Mas Tunggal.