PT Wijaya Karya Tbk engages in the provision of construction, engineering, mining, and other related services. It operates through the following segments: Infrastructure and Building; Energy and Industrial Plant; Industry; and Realty and Property. The Infrastructure and Building segment consists of civil construction services such as general construction and infrastructure, roads, bridges, harbors, airports, dams, irrigations, and buildings. The Energy and Industrial Plant segment includes engineering, procurement and construction services in the electricity sector. The Industry segment focuses on precast concrete, industrial facilities, and bitumen. The Realty and 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.