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 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.

Petroliam Nasional Berhad (PETRONAS) is a leading global energy company committed to powering society’s progress in a responsible and sustainable manner. With close to 50,000 employees and a global reach spanning over 100 countries, we are ranked among the world’s largest corporations by revenue in the Fortune Media IP Ltd’s 2022 Fortune Global 500® list.
PETRONAS has been operating in Indonesia for more than 20 years, starting with its venture into a non-operator equity for the Ketapang Contract Area in 2000. PETRONAS is currently holding participating interest in 9 Contract Areas across Indonesia, with 4 of them already in the production stage. PETRONAS has also consistently and successfully implemented various social and community programmes, focusing on education, capacity building, environment, health, as well as community wellbeing and development which are governed by its large Corporate Sustainability Framework.

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 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.

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.

Petroliam Nasional Berhad (PETRONAS) is a leading global energy company committed to powering society’s progress in a responsible and sustainable manner. With close to 50,000 employees and a global reach spanning over 100 countries, we are ranked among the world’s largest corporations by revenue in the Fortune Media IP Ltd’s 2022 Fortune Global 500® list.
PETRONAS has been operating in Indonesia for more than 20 years, starting with its venture into a non-operator equity for the Ketapang Contract Area in 2000. PETRONAS is currently holding participating interest in 9 Contract Areas across Indonesia, with 4 of them already in the production stage. PETRONAS has also consistently and successfully implemented various social and community programmes, focusing on education, capacity building, environment, health, as well as community wellbeing and development which are governed by its large Corporate Sustainability Framework.