Republic of Turkey Ministry and the ministry official institutions, public enterprises, state-owned enterprise, public economic organizations, public budget departments, local governments, municipalities, building societies, building put out to tender in the country by the private sector and abroad, electrical, plumbing , road, water, sewer, natural gas, infrastructure, superstructure, decoration, restoration works, to participate in the re-or repair tenders, to bid, to do and deliver the work in accordance with the tender contract if the tender remains in the company.