PT Wijaya Karya (Persero) Tbk operates as an integrated construction company in Indonesia and internationally. It operates through Infrastructure and Building, Energy and Industrial Plant, Industry, Realty and Property, and Investment segments. The Infrastructure and Building segment provides civil construction services, such as construction of commercial facilities and infrastructure, including roads, bridges, seaports, airports, jetty, and residential construction. Its Energy and Industrial Plant segment is involved in energy; engineering, procurement and construction; and operations and maintenance of the power plants; and invests in electricity sector. The Industry segment produces precast concrete and other supporting services, such as piles, girders, railroad sleepers, steel construction, automotive spare parts, energy conversion products, and the mining industry. It's Realty and Property segment offers landed housing, as well as high rise buildings, such as hotels, buildings, and condotel management. The Investment segment engages in the activities on toll roads operation from concession assets. The company was founded in 1960 and is headquartered in Jakarta, Indonesia.