PT PP Presisi Tbk is a subsidiary of the state-owned enterprise PT PP (Persero) Tbk, committed to becoming a leading mining and construction services company in Indonesia through high-quality and superior services. The optimization of the Company’s operational performance is supported by an efficient asset management system. PT PP Presisi Tbk implements ERP-SAP and is supported by BS EN ISO 9001:2015 – Quality Management System, BS EN ISO 14001:2015 – Environmental Management System, and ISO 45001:2018 – Occupational Health & Safety Management System as part of its efforts to enhance operational excellence. The Company is committed to continuous business transformation and innovation to strengthen its engineering capacity as part of its effort to increase stakeholders' value.

PT Astra International Tbk was established in 1957 in Jakarta as a general trading company under the name Astra International Inc. In 1990, for the purpose of the Company's Initial Public Offering (IPO), the name of the Company changed to PT Astra International Tbk, followed by listing its shares on the Indonesia Stock Exchange under the ticker code ASII. Market capitalization of Astra as at the end of year 2019 was Rp280.3 trillion.
Pursuant to the articles of association, the Company may engage in the following business activities: general trading, industry, mining, transportation, agriculture, construction, services and consultancy. By 2019, Astra has expanded its business by implementing a business model based on synergies and diversification within seven business segments, consisting of: Automotive; Financial Services; Heavy Equipment, Mining, Construction, & Energy; Agribusiness; Infrastructure and Logistics; Information Technology; Property.

PT Freeport Indonesia is a mineral mining company affiliate of Freeport-McMoRan (FCX) and MIND ID Indonesia's Mining Industry. PTFI mines and process ores produces concentrates containing copper, gold and silver. We market concentrates all over the world, and mainly to domestic copper smelter, PT Smelting. We operates in the remote highlands of the Sudirman Mountain Range in Mimika Regency, Papua Province, Indonesia
Our mines in Grasberg minerals district, Papua – Indonesia is one of the world’s largerst copper and gold deposits. We currently mining the final phase of the Grasberg open pit, which contains high copper and gold ore grades. We have been working on several projects in the Grasberg minerals district related to the development of its large-scale, long-lived, high-grade underground mines. In aggregate, these underground mines are expected to produce large-scale quantities of copper and gold following the transition from the Grasberg open pit.

Citilink Indonesia has become the fastest growing airline in Indonesia since 2011 at the time when it took the first Airbus A320 aircraft and accelerated growth as part of Garuda Group’s effort to compete aggressively on the budget traveler segment.
PT Citilink Indonesia is a subsidiary of Garuda Indonesia which based on the Natakusumah Notarial Deed No. 01 dated January 6th, 2009 in Sidoarjo, East Java. The deed of establishment was approved by Ministry of Law and Human Rights (Kemenkunham) under approval letter No. AHU-14555.AH.01.01 year 2009 dated April 22nd, 2009. Citilink Indonesia's shareholder at the time of its establishment was 67% PT Garuda Indonesia (Persero) Tbk. ("Garuda") and 33% PT Aerowisata ("Aerowisata").
Since May 2011, Citilink Indonesia’s flight was managed by Garuda Indonesia’s Strategic Business Unit (SBU) which operated under Garuda’s AOC and using Garuda flight number.

PT Saptaindra Sejati (SIS) is one of Indonesia’s leading mining contractors, specializing in coal mining services. As a subsidiary of PT Alamtri Resources Indonesia Tbk (formerly known as PT Adaro Energy Indonesia Tbk), SIS plays a crucial role in supporting Adaro’s mining operations by providing a broad range of services, including contract mining, civil works, infrastructure development, and land logistics. Over the years, SIS has developed a strong reputation for its expertise, efficiency, and commitment to safety in the mining industry.
SIS was established to meet the growing demand for reliable mining services in Indonesia. With its headquarters in Jakarta, the company operates across various mining sites throughout the country. SIS has continuously expanded its operations, investing in advanced technologies, modern equipment, and workforce training to ensure optimal efficiency in coal extraction. Through strategic planning and engineering solutions, SIS has contributed significantly to Indonesia’s coal industry, ensuring the smooth transportation and production of coal for domestic and international markets.

PT Pelita Air Service (PAS), established in 1970 in Indonesia, began its journey in the exploration and exploitation of oil and natural gas fields. Over the years, PAS has evolved into a leading provider of aviation and industrial services, offering award-winning solutions that cater to diverse needs. As part of its commitment to excellence, the company has built a reputation for reliability and innovation in transportation, training, maintenance, and other specialized services.
In aviation, PAS has demonstrated exceptional capabilities, logging 37,884 flight hours between 2014–2017. Its extensive network includes five base stations, with a fleet comprising 15 rotary-wing aircraft (helicopters) and nine fixed-wing planes. Notably, PAS plays a crucial role in Papua’s "1 Fuel Price" program, transporting over 150 kiloliters of fuel monthly to support equitable fuel access in remote areas.

PT Vale Indonesia was established by Deed No. 49 dated July 25, 1968, drawn up before Eliza Pondaag, a public notary in Jakarta. We operates under a Contract of Work, which was amended with a Special Mining Business Permit (IUPK) on May 13, 2024. The contract is valid until December 28, 2035, and the concession covers an area of 118,017 Ha covering South Sulawesi (70,566 hectares), Central Sulawesi (22,699 hectares) and Southeast Sulawesi (24,752 hectares).
In producing nickel in the Sorowako Block, we use pyro metallurgical technology (in melting the laterite nickel ore). The Company mines laterite nickel ore and processes it into the final product of nickel in matte.
The Company also continues its plan to developing integrated mining practices through the Indonesia Growth Project (IGP) in Morowali Regency, Central Sulawesi, and in Kolaka Regency, Southeast Sulawesi. The development project also targets existing operational locations, in East Luwu Regency, South Sulawesi.
As the two largest shareholders, MIND ID (PT Mineral Industri Indonesia) and Vale Canada Limited (VCL) jointly control PT Vale Indonesia Tbk. MIND ID holds the largest share in the company at 34.00%, while VCL holds approximately 33.88%.

PT Pamapersada Nusantara (PAMA) is a leading mining contractor in Indonesia, specializing in coal mining, energy, and heavy equipment services. As a subsidiary of PT United Tractors Tbk, which is part of the Astra International Group, PAMA has established itself as a pioneer in the mining industry since its inception in 1974. Initially a division within PT United Tractors, PAMA became a standalone company in 1993.
PAMA is committed to sustainable mining practices and adheres to Environmental, Social, and Governance (ESG) principles. The company focuses on providing comprehensive solutions for energy and mineral supply while prioritizing environmental sustainability and continuity. PAMA manages various mining projects, including coal, gold, and quarry operations, as well as construction projects such as dam building and road construction across Indonesia.