Gemsan Engineering and Contracting Co. - A contracting company, the work scope of which is the realization of turn-key projects. Includes references, a list of services and information on the management. www.gemsan.com.tr
Nuh Cimento Sanayi A.S. - A producer of cement. Features a catalog of products with technical specifications, financial reports and information on environmental issues. www.nuhcimento.com.tr
