PT Dian Swastatika Sentosa Tbk (DSSA) operates as a diversified energy and infrastructure company in Indonesia, focusing on power and steam generation, coal mining and trading, multimedia services, chemical trading, digital infrastructure, renewable energy development, and investments; through its subsidiaries, it produces and supplies electricity from coal- and gas-fired plants with a combined capacity exceeding 300 MW across sites in Tangerang, Serang, and Karawang, coal for domestic and export markets, pay TV and high-speed internet services under the MyRepublic brand reaching over 6 million homepasses and 1 million subscribers across 140 cities, data centers including an AI-powered facility in South Jakarta, pesticides, fertilizers, and industrial chemicals, as well as healthcare solutions and digital engagement platforms. A subsidiary of Sinar Mas Group, the company was founded in 1996 and is headquartered in Jakarta, Indonesia, with operations spanning over 48 areas nationwide and emphasis on mining, technology, and chemicals segments serving industrial and consumer markets. In recent developments, DSSA inaugurated Indonesia's first integrated solar cell and panel manufacturing facility in Kendal, Central Java, via PT Trina Mas Agra Indonesia—a joint venture with Trina Solar Co Ltd and PT PLN Indonesia Power Renewable—boasting 1 GW annual capacity and i-TOPCon technology; it established PT Daya Mas Bumi Sentosa in partnership with First Gen Geothermal Indonesia to develop up to 440 MW geothermal potential across six regions including West Java and East Nusa Tenggara; and expanded digital infrastructure with MyRepublic growth and advanced data centers amid H1-2025 revenue of USD 1.3 billion.