PT Astra International Tbk. - Daihatsu Sales Operation (AI-DSO) is a prominent entity within the automotive industry in Indonesia. Established in 1973, AI-DSO operates as a significant division under PT Astra International Tbk., one of the largest and most diversified conglomerates in Indonesia. The primary focus of AI-DSO is the distribution, sales, and after-sales service of Daihatsu-branded vehicles. This division plays a crucial role in ensuring that Daihatsu vehicles are accessible to consumers across Indonesia, providing comprehensive support and services to meet the diverse needs of its customers.
AI-DSO's operations are supported by PT Astra Daihatsu Motor (ADM), an associated entity formed through a collaboration between Astra, Daihatsu Motor Co., Ltd., and Toyota Tsusho Corporation. ADM serves as the brand holder agent for Daihatsu in Indonesia and acts as the main production base for Daihatsu and Toyota automotive groups outside Japan. This strategic partnership enables AI-DSO to leverage ADM's manufacturing capabilities and expertise, ensuring a steady supply of high-quality vehicles to the Indonesian market.

PT United Tractors Tbk is a subsidiary of PT Astra International Tbk (“Astra”), one of the largest and most established business groups in Indonesia. With its extensive experience in serving diverse industries and sectors, United Tractors has built a strong foundation as a leading company. Since September 19, 1989, United Tractors has been a public company, listing its shares on the Indonesia Stock Exchange, which was formerly known as the Jakarta Stock Exchange and Surabaya Stock Exchange. Currently, Astra owns 59.5% of the Company’s shares, while the remaining shares are held by the public.
United Tractors plays a vital role in the nation’s economy through its five business pillars: Construction Machinery, Mining Contracting, Mining, Construction Industry, and Energy. These pillars reflect the Company’s commitment to providing integrated solutions and contributing to the development of Indonesia’s industrial and infrastructure sectors. With its broad portfolio, United Tractors has positioned itself as a key player in supporting national growth and sustainability.

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 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 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.

Bank Syariah Indonesia (BSI) is the largest Islamic bank in Indonesia, established on February 1, 2021 through the merger of BRI Syariah, BNI Syariah, and Bank Syariah Mandiri. As a modern financial institution, BSI plays a central role in supporting the growth of the halal economy and providing comprehensive financial solutions for millions of customers across the country. With a vision to become one of the Top 5 Global Islamic Banks, BSI continues to expand its reach by offering innovative products and services that meet the diverse needs of individuals, businesses, and communities.

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.

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.