PT Bakrie & Brothers Tbk, through its subsidiaries, engages in the trading, construction, agribusiness, coal mining, oil and gas, and telecommunication business in Indonesia and internationally. It operates through Infrastructure and Manufacturing; and Trading, Services, and Investment segments. The company offers automotive components, which includes ferrous foundry, precision machining, grey iron and steel casting, and pattern making; and non-automotive components, such as pump housing, dies stamping, and baking wheel. It also provides total building solution including roofing, such as fiber cement based products; ceiling and partition versa board product, mortar, and pre-fabricated house solution, as well as flooring, fascia, and siding products. In addition, the company own, develop, and operates diversified assets portfolio and project pipeline, which includes toll roads, power, oil & gas, ports, and telecommunication. It also engages in the pipe manufacturing services, which includes high frequency electric resistance welding pipes; longitudinal submerged arc welding pipes; heavy industrial steel fabrication and construction for various industries, such as oil & gas, metal, mining, power, etc. fabrication services; and steel bridge manufacturing including civil steel structure and corrugated metals. The company was founded in 1942 and is headquartered in Jakarta Selatan, Indonesia.