Bambang Subianto

Part of Ernst & Young Global Ltd., Purwantono Sarwoko & Sandjaja is an Indonesian company that provides accounting services. The private company is based in Jakarta, Indonesia. The company was founded by Utomo Josodirdjo.

PT Pertamina (Persero) engages in the exploration and production of oil and gas, in both upstream and downstream sectors. It operates through the following segments: Upstream, Refinery and Petrochemical, Commercial and Trading, Gas, Power and New & Renewable Energy, Integrated Marine Logistics, Financial and Services, and Holding. The company was founded on December 10, 1957 and is headquartered in Jakarta, Indonesia.

BPJS Ketenagakerjaan is a Government-owned pension fund management firm headquartered in Jakarta Selatan, Indonesia. The firm provides a social security scheme for workers and their families, paid for by contributions by employers and employees.

PT Bursa Efek Indonesia, also known as IDX, is the only stock exchange in Indonesia with over 850 listed companies and a total market capitalization of more than US$ 650 billion. The private company is based in South Jakarta, Indonesia and has subsidiaries in Indonesia. The Indonesian company continuously provides trusted infrastructures to establish a fair, orderly, and efficient capital market in Indonesia. IDX promotes a sustainable capital market through various initiatives and works closely with all stakeholders to establish innovative products, improve transparency, and guarantee investor protection.

PT Asuransi Jasa Indonesia (Persero) engages in the insurance services. It offers agriculture, travel, health, education, automotive, fire, engineering, liability, aviation and satellite, finance, marine, oil and gas, and other insurances. The company was founded on December 9, 1972 and is headquartered in Jakarta, Indonesia.

PT Eastern Pearl Flour Mills operates flour mills. The private company is based in Makassar, Indonesia.