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.

BPJS Kesehatan, officially known as Badan Penyelenggara Jaminan Sosial Kesehatan, is Indonesia’s national health insurance agency. It was established on January 1, 2014, evolving from PT Askes (Persero) into a public agency responsible for managing the country's health insurance system under the Jaminan Kesehatan Nasional (JKN) program. The primary mission of BPJS Kesehatan is to ensure universal healthcare coverage for all Indonesian citizens by providing accessible and affordable medical services.
The agency operates under Law No. 24 of 2011, which mandates that every Indonesian citizen and foreign worker residing in Indonesia for at least six months must be enrolled in the JKN program. This law reflects the Indonesian government's commitment to improving the quality of healthcare and protecting citizens from financial hardship due to medical expenses. The program is structured so that participants pay monthly premiums based on their income, while the government subsidizes premiums for lower-income groups to ensure equal access to healthcare.

PT Saptaindra Sejati (SIS) is one of Indonesia’s leading mining contractors, specializing in coal mining services. As a subsidiary of PT Alamtri Resources Indonesia Tbk (formerly known as PT Adaro Energy Indonesia Tbk), SIS plays a crucial role in supporting Adaro’s mining operations by providing a broad range of services, including contract mining, civil works, infrastructure development, and land logistics. Over the years, SIS has developed a strong reputation for its expertise, efficiency, and commitment to safety in the mining industry.
SIS was established to meet the growing demand for reliable mining services in Indonesia. With its headquarters in Jakarta, the company operates across various mining sites throughout the country. SIS has continuously expanded its operations, investing in advanced technologies, modern equipment, and workforce training to ensure optimal efficiency in coal extraction. Through strategic planning and engineering solutions, SIS has contributed significantly to Indonesia’s coal industry, ensuring the smooth transportation and production of coal for domestic and international markets.

PT Kereta Api Indonesia (Persero), commonly known as KAI, is Indonesia’s state-owned railway company responsible for operating and managing railway transportation across the country. With a rich history dating back to the colonial era, KAI has played a crucial role in Indonesia’s transportation infrastructure, connecting cities and regions through an extensive railway network.
The origins of railway transportation in Indonesia date back to the Dutch colonial period when the first railway line was constructed in 1864 by the Nederlandsch-Indische Spoorweg Maatschappij (NIS). This initial railway connected Semarang to Vorstenlanden (Surakarta and Yogyakarta). Over time, the colonial government established Staatsspoorwegen (SS), a state-owned railway company, to expand the railway network. By the early 20th century, Indonesia had a well-developed railway system spanning Java, Sumatra, and parts of Sulawesi. Following Indonesia’s independence in 1945, the railway system was nationalized, and the government established Djawatan Kereta Api Republik Indonesia (DKARI) to manage railway operations. Over the years, the organization underwent several transformations, becoming Perusahaan Negara Kereta Api (PNKA) in 1963, Perusahaan Jawatan Kereta Api (PJKA) in 1971, and Perusahaan Umum Kereta Api (Perumka) in 1991. In 1999, the company transitioned into PT Kereta Api (Persero), marking its shift toward a more corporate structure. Today, KAI operates as a modern railway company, continuously improving its services and infrastructure to meet the growing demands of transportation in Indonesia.

PT Kereta Api Indonesia (Persero), commonly known as KAI, is Indonesia’s state-owned railway company responsible for operating and managing railway transportation across the country. With a rich history dating back to the colonial era, KAI has played a crucial role in Indonesia’s transportation infrastructure, connecting cities and regions through an extensive railway network.
The origins of railway transportation in Indonesia date back to the Dutch colonial period when the first railway line was constructed in 1864 by the Nederlandsch-Indische Spoorweg Maatschappij (NIS). This initial railway connected Semarang to Vorstenlanden (Surakarta and Yogyakarta). Over time, the colonial government established Staatsspoorwegen (SS), a state-owned railway company, to expand the railway network. By the early 20th century, Indonesia had a well-developed railway system spanning Java, Sumatra, and parts of Sulawesi. Following Indonesia’s independence in 1945, the railway system was nationalized, and the government established Djawatan Kereta Api Republik Indonesia (DKARI) to manage railway operations. Over the years, the organization underwent several transformations, becoming Perusahaan Negara Kereta Api (PNKA) in 1963, Perusahaan Jawatan Kereta Api (PJKA) in 1971, and Perusahaan Umum Kereta Api (Perumka) in 1991. In 1999, the company transitioned into PT Kereta Api (Persero), marking its shift toward a more corporate structure. Today, KAI operates as a modern railway company, continuously improving its services and infrastructure to meet the growing demands of transportation in Indonesia.

PT Astra International Tbk - Toyota Sales Operation, commonly known as AUTO2000, is a prominent player in Indonesia's automotive industry. Established in 1975 as Astra Motor Sales, it was rebranded as AUTO2000 in 1989 and has since been managed by PT Astra International Tbk. AUTO2000 is the largest Toyota dealer in Indonesia, controlling between 70-80% of Toyota's total sales in the country.
AUTO2000 offers a comprehensive range of services, including vehicle sales, maintenance, repairs, and parts supply. The company has over 126 branches across Indonesia, excluding certain regions like Sulawesi, Maluku, Irian Jaya, Jambi, Riau, Bengkulu, Central Java, and D.I.Y. This extensive network ensures that customers have easy access to Toyota vehicles and services throughout the country.
One of AUTO2000's key initiatives is the AUTO2000 Digiroom, an e-commerce platform that allows customers to purchase new and used Toyota vehicles, spare parts, accessories, and even trade-in options online. This digital transformation aims to provide a seamless end-to-end customer experience, making it as convenient as visiting a physical showroom. The platform also includes features like scheduling home services, tracking service status, and simulating financing options.

PT Elnusa Tbk is a leading energy services company in Indonesia that has been operating since 1969. Headquartered in Jakarta, the company is a subsidiary of PT Pertamina Hulu Energi and is listed on the Indonesia Stock Exchange under the ticker symbol ELSA. Over the decades, Elnusa has built a strong reputation as an integrated service provider in the oil and gas sector, combining upstream, support, and downstream activities to deliver comprehensive solutions for its clients.

Bank Syariah Nasional is a sharia-based financial institution that represents a new chapter in Indonesia’s banking industry. Established on October 2, 2025, the bank operates as a subsidiary of Bank Tabungan Negara and is headquartered at Menara Bank BTN, Jakarta. The institution was created to strengthen the presence of Islamic banking in Indonesia, offering financial services that comply with sharia principles while addressing the needs of both individual and business customers. Its foundation reflects the growing demand for ethical and faith-based financial solutions in the country, positioning itself as a trusted partner for communities seeking transparency, fairness, and inclusivity in financial transactions.