Husky-CNOOC Madura Limited (HCML) is a key player in Indonesia’s upstream oil and gas industry. Operating under a Production Sharing Contract (PSC) with the Indonesian government, HCML is a joint venture between Husky Oil Madura Partnership (40%), China National Offshore Oil Corporation Southeast Asia Limited (40%), and SMS Development Ltd. (20%). The company’s mission is to responsibly explore and produce hydrocarbons in the Madura Strait, contributing to national energy security and regional development.
HCML’s origins date back to 1982, with the formation of Husky Oil Madura Limited. In 2011, following a strategic partnership with CNOOC, the company was restructured and rebranded as HCML. Since then, it has focused on developing offshore gas fields, with the BD Field being its flagship project. Located approximately 65 kilometers east of Surabaya and 16 kilometers south of Madura Island, the BD Field contains significant reserves of natural gas and condensate. Its development has been instrumental in supplying clean energy to East Java and beyond.

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.

Nindya Karya is a part of Danareksa Holding that is engaged in General Contracting, EPC, and Investment, with four main business pillars consisting of Construction, Investment, Manufacturing, and Real Estate Management. As part of Danareksa Holding, Nindya Karya continues to drive innovation and strengthen its role in advancing the construction sector in Indonesia.

PT Bank BCA Syariah is a prominent Islamic bank in Indonesia, offering a wide range of Sharia-compliant financial products and services. Established to cater to the growing demand for Islamic banking, BCA Syariah operates under the supervision of the Financial Services Authority (OJK) and Bank Indonesia. The bank is committed to providing reliable and competitive banking solutions that adhere to Islamic principles.
BCA Syariah offers a variety of products and services designed to meet the diverse needs of its customers. These include Sharia-compliant savings accounts, current accounts, financing options such as Murabahah (cost-plus financing), Ijarah (lease financing), and Musyarakah (profit-sharing financing). The bank also provides investment products like Sukuk (Islamic bonds) and Tabarru' (donations) accounts. Additionally, BCA Syariah offers electronic banking services through its Klik BCA Syariah platform, allowing customers to conduct transactions conveniently and securely online.

PT Reska Multi Usaha, also known as KAI Services, is a subsidiary of PT Kereta Api Indonesia (Persero) established in 2003 with more than two decades of experience. The company was founded to implement and support the policies and programs of PT Kereta Api Indonesia (Persero) as the parent company, particularly in the railway restaurant business and other related services. PT Reska Multi Usaha operates in three core business areas: On Board Services, which include Sales On Train, On Train Cleaning, and Passenger Amenities; Integrated Facility Services, which consist of Security, Parking, Cleaning Service, and Outsourcing; and Commercial Services, which cover Restaurant, General Service, Cafe, and Catering.

BPJS Kesehatan, officially known as Badan Penyelenggara Jaminan Sosial Kesehatan, is Indonesia’s national health insurance agency. It was established on January 1, 2014, evolving from PT Askes (Persero) into a public agency responsible for managing the country's health insurance system under the Jaminan Kesehatan Nasional (JKN) program. The primary mission of BPJS Kesehatan is to ensure universal healthcare coverage for all Indonesian citizens by providing accessible and affordable medical services.
The agency operates under Law No. 24 of 2011, which mandates that every Indonesian citizen and foreign worker residing in Indonesia for at least six months must be enrolled in the JKN program. This law reflects the Indonesian government's commitment to improving the quality of healthcare and protecting citizens from financial hardship due to medical expenses. The program is structured so that participants pay monthly premiums based on their income, while the government subsidizes premiums for lower-income groups to ensure equal access to healthcare.

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 Adaro Andalan Indonesia, formerly known as PT Alam Tri Abadi, was established in 2004. It operates as a holding company with businesses spanning the thermal coal, logistics, land, investments, and power generation sectors. Its operational areas include South Kalimantan, South Sumatra, and Central Kalimantan. The Company and its subsidiaries follow a vertically integrated business model, starting with coal mines as the initial point in their supply chain and culminating with power plants.
The Company has achieved notable milestones since its inception. In 2005, it acquired AI, a thermal coal company that had been producing Envirocoal since 1992 under a Government of Indonesia contract. AI’s production surged in 2006, reaching 34.4 million tonnes. Subsequent acquisitions marked the expansion of the Group, including AL in 2009, MIP in 2011, and SCM, LSA, and PCS in 2013. By 2014, SCM commenced commercial production with 890 thousand tonnes of coal.