PT Sarana Multi Infrastruktur (Persero) (PT SMI) is a state-owned enterprise in Indonesia that plays a crucial role in financing and supporting infrastructure development across the country. Established on February 26, 2009, PT SMI operates under the Ministry of Finance and serves as a Special Mission Vehicle (SMV) to accelerate infrastructure projects that contribute to Indonesia’s economic growth and sustainable development.
PT SMI provides various financial solutions, including project financing, advisory services, and project preparation assistance. Its primary focus is on infrastructure sectors such as transportation, energy, water supply, telecommunications, and social infrastructure. By offering innovative and flexible financing schemes, PT SMI helps bridge the gap between government funding and private sector investment, ensuring that critical infrastructure projects can be realized efficiently.

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.

Bank Mandiri Taspen, also known as Bank Mantap, is a subsidiary of Bank Mandiri that provides banking services specifically for retired civil servants (PNS) and military personnel (TNI / Polri). Established on February 23, 1970, as Bank Pasar Sinar Harapan Bali, it has undergone several transformations over the years. Initially a cooperative, it became a limited liability company (PT) on November 3, 1992, and later transformed into a full-fledged bank.
In 2008, Bank Mandiri acquired Bank Sinar Harapan Bali, leading to a restructuring process that involved Bank Mandiri, PT Taspen, and PT Pos Indonesia. This restructuring resulted in the renaming of the bank to PT Bank Mandiri Taspen Pos on August 7, 2015, and later to PT Bank Mandiri Taspen on October 9, 2017.
Bank Mandiri Taspen offers a variety of financial products and services tailored to the needs of its target customers, including savings accounts, deposits, loans, gold pawn services, and bill payment platforms. The bank is committed to supporting the financial well-being of retired civil servants and military personnel, helping them maintain a stable income even after retirement.

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 Bank Rakyat Indonesia (Persero) Tbk, commonly known as BRI, is one of Indonesia's largest commercial banks and a state-owned enterprise. Established on December 16, 1895, in Purwokerto by Raden Bei Aria Wirjaatmadja, BRI has a long history of providing financial services to the Indonesian population. Over the years, BRI has evolved to meet the changing needs of its customers and has become a key player in Indonesia's banking sector.
BRI offers a wide range of banking products and services, including savings and current accounts, foreign currency deposits, mortgage loans, working capital loans, investment loans, and micro, small, and medium enterprise (MSME) loans. The bank also provides supply chain financing and bank guarantees, catering to both individual and corporate clients. With over 144 million micro deposit customers, BRI has a strong presence across Indonesia, with 449 branches and 13,863 ATMs.

Elnusa Petrofin (“EPN”) was established in Jakarta on July 5, 1996. EPN is a subsidiary of PT. Elnusa Tbk, where PT. Elnusa Tbk is a subsidiary of PT. Pertamina Hulu Energi, Sub Holding Upstream PT Pertamina (Persero).
At the beginning, Elnusa Petrofin was the Fuel & Chemical Division of PT. Elnusa in 1990. Then in 1993 it was assigned by Pertamina to produce Premix (Pertamax), Fuel Oil (BBM) with a high Octane level. Furthermore, in 2003 Elnusa Petrofin was appointed as Distributor of Premix (Pertamax) and Super TT (Pertamax Plus) for the Jakarta, Bogor, Depok, Tangerang, Bekasi (Jabodetabek) area as well as several regions of West Java.

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.

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.