PT. Wijaya Kusuma Contractors, SEMARANG Alamat: Ruko Gayam Sari Blok A No 1 Jl Brigjen Sudiarto Majapahit Semarang 50161. Nomor telepon: 024 6702500 Nomor Fax 024 6702400 E-mail: wkcsmg@wkcnet.com Website: http://www.wkcnet.com PT. Wijaya Kusuma