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 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 Pertamina Training & Consulting (PTC), a subsidiary of PT Pertamina (Persero) under the Finance and Services category, began as a paper company in 1999 under the name PT Patra Tridaya and started operations in 2002 with its first line of business: Training & Consulting. With extensive experience in human resource management and a strong focus on human capital development, we have continued to evolve in line with customer needs by offering services in Event Organizing, Training & Consulting, Manpower Supply, Security Services, and Assessment Center, all aligned with ISO 9001:2015 standards as part of our commitment to deliver top-quality services to our clients, guided by the 6C values: Clean, Confident, Commercial, Competitive, Customer Focus, and Capable.

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.

PT Trakindo Utama is a prominent company in Indonesia, known for its extensive range of heavy machinery and equipment. Founded on December 23, 1970, by the late AHK Hamami, PT Trakindo Utama has grown to become the sole authorized dealer of Caterpillar Inc. in Indonesia. This milestone marked PT Trakindo Utama as the first locally owned heavy machinery company in the country.
Over the years, PT Trakindo Utama has been instrumental in Indonesia's development and growth. The company is supported by state-of-the-art facilities, advanced technology, and a network of branches spread across the nation. PT Trakindo Utama offers a wide range of products, including Caterpillar equipment, engines, forklifts, and spare parts. Their product lineup includes large dozers, medium wheel loaders, motor graders, mini excavators, and off-highway trucks, among others.