Garda Tujuh Buana Tbk PT 

PT Garda Tujuh Buana Tbk, an Indonesian enterprise, primarily focuses on the extraction, processing, and distribution of thermal coal. Its mining operations are centered in the north-central region of Bunyu Island. Beyond its core coal business, the company also participates in construction projects, various trading activities, and provides logistics services. A significant portion of its coal output is exported, with its main clientele being facilities that generate power using coal. Established in 1996, the company's head office is situated in Jakarta, Indonesia.