PT Wijaya Karya (Persero) Tbk is engaged in the provision of construction, engineering, mining, and other related services. It operates through the following segments: Infrastructure & Building, Energy & Industrial Plant, Industry, and Realty & Property. The Infrastructure & Building segment consists of civil construction services, such as general construction and infrastructure, roads, bridges, harbors, airports, dams, irrigations, and buildings. The Energy & Industrial Plant segment is focused on the engineering, procurement, and construction services in the electricity sector. The Industry segment is involved in the precast concrete, industrial facilities, and bitumen. The Realty & Property segment offers property management services to residential houses, commercial buildings, and industrial estates. The company was founded on March 11, 1960 and is headquartered in Jakarta, Indonesia.