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 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 Tuah Turangga Agung (Turangga Resources) is a subsidiary of PT Pamapersada Nusantara and PT United Tractors Tbk., operating under the Astra Heavy Equipment, Mining, Construction and Energy (AHEMCE) group. The company is dedicated to managing coal mine assets within the Astra ecosystem, contributing to the group’s strategic expansion in the energy sector.
Turangga Resources envisions becoming an A-Plus coal mining company. Its mission reflects a multifaceted commitment: to be an asset to the nation, to make extraordinary efforts in developing communities around mining areas, to align business processes for sustainable growth, to pursue product excellence in all aspects, to lead and motivate human resources to their fullest potential, to uphold high standards in company management, and to foster a strong corporate culture.

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 Jawa Satu Power is a joint venture entity between PT Pertamina Power Indonesia ("PPI"​), Garuda Power Holdings B.V. and Sojitz Global Investment B.V. Established on December 05, 2016 as a special purpose company in running, controlling and managing the assets of Jawa-1 power plant business activities, which serves as the largest gas-fired power plant with CCGT technology in Southeast Asia.
The company runs its business professionally by upholding an effective and efficient Corporate Governance principles in order to provide continuous added values to shareholders.
PT Jawa Satu power deals with more than 20 companies involved, 3 main consortium members, 2 additional members in FSRU (PT Jawa Satu regas), 3 senior lenders (JBIC, NEXI, ADB) plus 5 commercial banks (Mizuho, MUFG, societe generale, OCBC bank, credit agricole), 3 main EPC contractors, and advisories on the financial, legal, and technical. Companies involved come from Indonesia, Japan, Korea, America, and Europe, which is connecting almost the whole continents of the globe.

PT Reska Multi Usaha, also known as KAI Services, is a subsidiary of PT Kereta Api Indonesia (Persero) established in 2003. The company's primary goal is to support and implement the policies and programs of PT Kereta Api Indonesia, especially in the railway restaurant business and other related services.
The company operates in three core business areas: On Board Services, Integrated Facility Management, and Commercial Services. On Board Services include sales on trains, train cleaning, and passenger amenities. Integrated Facility Management encompasses security, parking, cleaning services, and outsourcing. Commercial Services include restaurants, general services, cafes, and catering.
The origins of PT Reska Multi Usaha date back to the Dutch colonial era when the government provided railway restaurants to cater to passengers' needs during their journeys. In 1971, during the early days of PT Kereta Api Indonesia, a dedicated unit called RESTORKA was established to manage railway restaurants. Initially, RESTORKA offered simple beverages like "Es Siripit," but it expanded its menu over time, including the famous "Nasi Goreng Parahyangan" when the KA Parahyangan train was launched.

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 Krakatau Posco is a joint venture established in 2010 between PT Krakatau Steel (Persero) Tbk, Indonesia’s foremost state-owned steel company, and POSCO, a global steel manufacturer based in South Korea. This partnership was formed to bolster Indonesia’s domestic steel production capabilities and reduce dependence on imports. Headquartered in Cilegon, Banten, the heart of Indonesia’s steel industry, PT Krakatau Posco represents a landmark achievement in industrial collaboration between Indonesia and South Korea.
Construction of the integrated steel mill began in 2011 and reached completion within three years. By December 2013, PT Krakatau Posco commenced commercial operations, marking a significant milestone in Indonesia’s industrial development. The facility was the first in Indonesia to utilize blast furnace technology and has an initial production capacity of 3 million tons annually. Its primary products include steel slabs, plates, and hot rolled coils, which are essential to industries such as automotive manufacturing, shipbuilding, infrastructure development, and heavy construction.