AlamTri Resources

PT AlamTri Resources Tbk (formerly known as Adaro Energy) is an Indonesian coal mining company, the country's second-largest by production volume (see: Coal companies of Indonesia). In the 2023 Forbes Global 2000, Alamtri was ranked as the 1393th-largest public company in the world. The company is an Indonesian energy group that focuses on coal mining through subsidiaries. The principal mining location is at Tabalong district in South Kalimantan, where Alamtri operates the largest single-site coal mine in the southern hemisphere (roughly 110,000 tons of coal per day, or 40 million tons a year). AlamTri operates under a first-generation CCA (coal co-operation agreement) with the Indonesian Government valid until 2022.

In 2016, Alamtri (then doing business as Adaro) was clearing land in Central Java for a 2,000MW coal plant, after a delay for more than four years due to land acquisition issues. The construction of Indonesia's largest coal plant, into which Adaro invested $4.2 billion, began in June 2016.Adaro's strategy focuses on power generation as one of its "three pillars", besides coal exports and logistics.