Wijaya Karya PT Wijaya Karya Tbk (Wika) is an Indonesian company that is involved in engineering and construction work in both Indonesia as well as abroad. Its businesses include civil engineering, ...

PT Wijaya Karya Beton Tbk (Wika Beton) is an Indonesia-based producer of precast concrete. The company is a subsidiary of state-controlled construction company Wijaya Karya (Wika). The company ...