M. Krisna Sjarif

PT Medco Power Indonesia produces and distributes electricity by operating gas-fired and coal-fired power plants. The firm develops and operates small-to-medium size independent power projects and provides power project services with business activities, including operating and maintenance power plant services, as well as project engineering, procurement, and construction. The company was founded in 2004 and is headquartered in Jakarta, Indonesia.

PT Indonesia Asahan Aluminium (Persero) engages in production, smelting and marketing of aluminum. The firm specializes in aluminium ingot, aluminium billet and foundry alloy. It also involves in the hydroelectric power plant business. The company was founded on January 6, 1976 and is headquartered in Kabupaten Asahan, Indonesia.

Mining Industry Indonesia, also known as MIND ID, is an Indonesian state-owned holding company for the mining industry in Indonesia. MIND Indonesia is committed to smart, digitally connected operations that are optimized for productivity. The private company was founded in 2017 and is based in Jakarta Selatan, Indonesia. MIND Indonesia encourages young talent to contribute to the development of the country through the mining industry. The company's main focus is on the management of natural resources, and it is made up of several member companies including PT ANTAM Tbk, PT Bukit Asam Tbk, PT Freeport, PT Inalum (Persero), and PT Timah Tbk. The CEO is Hendi Prio Santoso.

PT Gagas Energi Indonesia distributes natural gas. The company is based in Jakarta, Indonesia. The Indonesian company is a subsidiary ultimately controlled by the Government of Indonesia.

Part of Nestlé SA, PT Nestlé Indonesia is a company based in Jakarta, Indonesia. The Indonesian company manufactures and supplies coffee, chocolates, frozen food and drinks.

PT Freeport Indonesia engages in the mining, processing, and exploration of ores containing copper, gold, and silver. Its mining operation includes drilling, blasting, loading, hauling, and crushing to produce copper ore. The processing operation includes grinding, flotation, and dewatering to produce copper concentrate. The company was founded in 1967 and is headquartered in Jakarta, Indonesia.

PT Garam (Persero) Indonesia is an Indonesian state-owned company that specializes in the production of salt. The private company is based in Sumenep, Indonesia and is the oldest salt production company in Indonesia. Its mission is to become a world-class producer of high-quality salt and its derivatives, as well as processed salt to meet national needs. The company is committed to maintaining a continuous supply of products, ensuring customer satisfaction, and maintaining stakeholder interests. It has marketing and sales offices in six regional areas, warehouses throughout Indonesia, and two special ports for sea distribution of its products.