PT Istaka Karya engages in road construction. The company was formerly known as PT Indonesia Consortium of Construction and changed its name to PT Istaka Karya in January, 1986. The company was founded in 1980 and is based in South Jakarta, Indoensia. PT Istaka Karya operates as a subsidiary of PT. Waskita Karya.The company was previously named PT ICCI ( Indonesian Consortium of Construction Industries ) and is a consortium of 18 Indonesian construction companies .