Ozgun Insaat, the leading company of KRK Holding, was established in 1993. The company operates in fields of tunneling, transportation, infrastructure, superstructure, mining, and energy. Ozgun Insaat has proved its reliability while meeting the expectations and the needs of the projects that it undertakes, with technological solutions within the scope of correct methods and international quality standards.

Ozgun Insaat has achieved international success with financial strength, human resources, wealth of machinery and equipment as far as its experience and know-how.

Domestically; the company has taken part in major parts of Metro Istanbul, while completing various projects for Municipality of Istanbul, like “4.Levent – Taksim Metro line”, “4.Levent – Taksim Metro Line”, "Kadıköy - Kartal Metro Line", "Taksim - Yenikapı Metro Line", “Taksim – Kabatas Funicular System Construction” and “Ambarlı Sewage Water Tunnel Construction” for ISKI Directorate of Potable and Sewage Water.

Ozgun Insaat completed “Black Sea Highway/ Nefise Akcelik Tunnel construction between Persembe- Bolaman” for General Directorate of Highways(KGM), “Izmir Light Rail System Construction, Ucyol Station Project” for Municipality of Izmir.

Extending its operations in Algeria, Ozgun Insaat has signed various successful contracts abroad. In Algeria, Ozgun Insaat currently has 6 on-going projects, besides the 3 projects are already completed. The company has been increasing its recognition and prestige while realizing new projects with few of the world’s largest, well known and reputable international contracting groups.

“Tizi Ouzou – Oued Aissi Railway Project” for ANESRIF and “Bejaia Motorway Tunnel Project” for DTP Bejaia were completed. “Thenia – Tizi Ouzou Railway Project”, El Affroun – Khemis Miliana Railway Project”’, “Thenia – Bordj Bou Arreridj Railway Project” for ANESRIF, “Kherrata Motorway Project” for DTP Bejaia and “ Tizi Ouzou Highway Project” for ANA are on-going projects.

As a member of Turkish Contractors Association, Ozgun Insaat has ISO 9001 Quality Management System, ISO 14001 Environmental Management System and OHSAS 18001 Occupational Health and Safety Management System Certificates.

Their mission in Ozgun Construction is to take part in contemporary and high-quality projects so that their name is mentioned with respect and success both domestically and internationally. They would like to proceed with their efforts and activities without compromising integrity and honesty in a family consisting of all employees.

In the years to come, the concepts of “contemporary corporate governance” and “sustainable growth” will continue to be their main aims. On the way leading them to these aims, their group and all employees will continue to maintain the principles for quality, business ethics, transparency and social responsibility.

Their vision is to be a leading construction company in the international arena to carry out larger and more complex projects, making use of the state-of-the-art technology and international quality standards in an entrepreneurial, innovative and reliable approach