PT Elnusa Tbk is a leading energy services company in Indonesia that has been operating since 1969. Headquartered in Jakarta, the company is a subsidiary of PT Pertamina Hulu Energi and is listed on the Indonesia Stock Exchange under the ticker symbol ELSA. Over the decades, Elnusa has built a strong reputation as an integrated service provider in the oil and gas sector, combining upstream, support, and downstream activities to deliver comprehensive solutions for its clients.

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 Pertamina Training & Consulting (PTC) is a subsidiary of PT Pertamina (Persero), Indonesia’s state-owned oil and gas company. Established in 1999 under the name PT Patra Tridaya, the company officially began its operations in 2002. PTC was formed to support Pertamina’s strategic objectives in human resource development and operational excellence. Over the years, PTC has evolved into a multifaceted service provider offering a wide range of solutions in training, consulting, manpower supply, security services, event management, and competency assessment. Its role within the Pertamina Group is to ensure that the workforce and organizational systems are aligned with global standards and capable of supporting the dynamic needs of the energy sector.

PT Patra Drilling Contractor (PDC) is a national company in Indonesia that specializes in providing drilling services for the oil and gas industry. Established on September 11, 1981, PDC was the first Indonesian company to offer offshore drilling services, marking a significant milestone in the country’s energy sector. Headquartered in Jakarta, PDC has grown into a reputable service provider with a workforce ranging from 1,001 to 5,000 employees. Over the years, the company has expanded its capabilities to include onshore drilling support, auxiliary well services, and integrated support functions such as catering and logistics.

PT Pos Indonesia (Persero) is Indonesia’s oldest state-owned enterprise, established in 1746, and today it operates as a modern postal, logistics, and financial services provider with a nationwide reach. It has transformed from a traditional mail carrier into a diversified company supporting digital services, logistics, and financial inclusion across the archipelago.
PT Pos Indonesia (Persero) traces its origins back to August 26, 1746, when the first post office was founded in Batavia, now Jakarta, by Governor General G.W. Baron van Imhoff. Initially created to secure correspondence for traders and maintain communication between the Netherlands and the East Indies, the company gradually expanded with additional post offices in Semarang and other key trading hubs. By the late nineteenth century, postal services merged with telegraph operations, and in 1877, Indonesia’s postal system joined the Universal Postal Union, enabling international connectivity. During the colonial and wartime periods, the postal service operated under the Post, Telegraph, and Telephone (PTT) administration, functioning as a public service rather than a commercial entity. Following Indonesia’s independence in 1945, the postal system was taken over by Indonesian staff, marking the beginning of its role as a national institution.

PT Astra International Tbk was established in 1957 in Jakarta under the name Astra International Inc. as a general trading company. Over the decades, Astra grew into one of Indonesia’s largest and most diversified conglomerates. In 1990, the company changed its name to PT Astra International Tbk in preparation for its Initial Public Offering (IPO), and subsequently listed its shares on the Indonesia Stock Exchange under the ticker code ASII. This marked a significant milestone in Astra’s journey, opening the door for broader public participation in its growth. By the end of 2019, Astra’s market capitalization reached Rp280.3 trillion, reflecting its strong position in the Indonesian economy.
According to its articles of association, Astra is permitted to engage in a wide range of business activities, including general trading, industry, mining, transportation, agriculture, construction, services, and consultancy. This broad mandate has enabled Astra to pursue a strategy of diversification and synergy across multiple sectors. By 2019, Astra had successfully implemented a business model that integrates seven major business segments: Automotive; Financial Services; Heavy Equipment, Mining, Construction, & Energy; Agribusiness; Infrastructure and Logistics; Information Technology; and Property. Each of these segments contributes to Astra’s overall resilience and ability to adapt to changing market conditions.

PT Adaro Logistics is a subsidiary within the Adaro Group that plays a pivotal role in supporting the company’s integrated coal supply chain and energy business. Established to ensure efficiency, reliability, and sustainability in the movement of coal and related commodities, Adaro Logistics has grown into a comprehensive logistics provider that manages transportation, handling, and distribution across Indonesia’s vast archipelago. Its operations are designed to connect mines to markets, ensuring that Adaro’s coal and other resources reach domestic and international customers with precision and consistency. The company’s presence in logistics reflects Adaro Group’s commitment to building a fully integrated energy business, where every stage of the supply chain is managed with professionalism and innovation.

PT Angkasa Pura Suport (APS) is a subsidiary of PT Angkasa Pura I (Persero) (Now, PT Angkasa Pura Indonesia / InJourney Airports), established in March 2012 to provide comprehensive and integrated property maintenance services, particularly for airport facilities. The company was founded with the vision of supporting the parent company in delivering world-class services to passengers and visitors at airports across Indonesia. APS has since evolved into a key player in the aviation support industry, offering a wide range of services that extend beyond airport operations to include commercial and public properties such as hospitals and office buildings.