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 Elnusa Fabrikasi Konstruksi (EFK) is a subsidiary of PT Elnusa Tbk, which is part of the Pertamina Group. Established in 1982, EFK has become one of the most experienced and comprehensive threading factories in Batam. With a land area of 35,158 m² consisting of office facilities, workshops, and open yards for pipe operations and storage, we are ready to provide the best services in Oil Country Tubular Goods (OCTG), Fabrication, Construction, and Maintenance services.
The company name changed from PT Purna Bina Nusa to PT Elnusa Fabrikasi Konstruksi based on Notarial Deed No. 12 dated December 22, 2010, made before Notary Yulida Desmartiny in Jakarta. This change was based on the company's expansion into the fields of engineering, manufacturing and fabrication, processing, as well as the production and repair of oil equipment, and general trade import-export.
PT Elnusa Fabrikasi Konstruksi envisions becoming a leading oil equipment manufacturing company by consistently delivering the highest quality products and services to both domestic and international oil and gas industries. This ambition reflects a commitment to innovation, reliability, and excellence in every aspect of its operations.

PT Bank Negara Indonesia (Persero), Tbk (BNI) was originally established in Indonesia as a central Bank under the name of “Bank Negara Indonesia” on July 5, 1946. Subsequently, BNI became “Bank Negara Indonesia 1946”, with the status of a State-owned Commercial Bank. Additionally, BNI’s role as a Bank was mandated to improve the people’s economy and participate in national development.
BNI as a State Owned Enterprise was the first to became a public company after listing its shares on the Jakarta Stock Exchange and the Surabaya Stock Exchange in 1996. To strengthen its financial structure and competitiveness in the national banking industry, BNI conducted a number of corporate actions, including being recapitalized by the Government in 1999, Government share divestment in 2007, and a limited public offering in 2010.

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 Alamtri Resources Indonesia Tbk. is a prominent Indonesian public company engaged in the integrated mining and energy sector. Formerly known as PT Adaro Energy Indonesia Tbk., the company underwent a rebranding to reflect its broader strategic direction and commitment to sustainable energy development. Established on August 26, 2004, under the name PT Padang Karunia, the company has grown into one of Indonesia’s leading energy groups, with a diversified portfolio that spans across metallurgical coal mining, mineral processing, mining services, logistics, power generation, water treatment, and renewable energy initiatives.

PT Bank Tabungan Negara (Persero) Tbk, commonly known as Bank BTN, is one of Indonesia’s oldest and most prominent financial institutions. Established in 1897 under the name Postspaarbank during the Dutch colonial era, the bank initially served as a savings institution for postal services. Following Indonesia’s independence, the bank was nationalized in 1950 and renamed Bank Tabungan Negara. Over the decades, Bank BTN has evolved into a full-service commercial bank with a strong focus on housing finance, playing a pivotal role in supporting the government’s housing development programs.

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 Arutmin Indonesia is one of Indonesia's leading coal mining companies, operating under the Izin Usaha Pertambangan Khusus (IUPK) license. With over three decades of experience, Arutmin has established itself as a preferred coal provider for power plants and industrial plants both in Indonesia and internationally. The company's mining operations are spread across three districts in South Kalimantan: Tanah Bumbu, Tanah Laut, and Kotabaru. Arutmin manages five mining sites: Senakin, Satui, Kintap, Asamasam, and Batulicin, along with the North Pulau Laut Coal Terminal (NPLCT), which has a shipping capacity of up to 10 million tons per year.
Arutmin's journey began with the signing of the PKP2B Contract with the Government of Indonesia, which marked the start of its commercial coal production. The company has shown rapid development through competitive coal production processes, reliable quality assurance procedures, and outstanding customer support. Arutmin's coal production capacity currently reaches up to 20 million tons per year. The company has received several awards for its sustainable development efforts, including the Indonesia Sustainable Development Award (ISDA) Gold and Platinum, as well as the Tamasya Award 2024 from the Ministry of Energy and Mineral Resources.