Gama Endüstri Tesisleri İmalat ve Montaj A.Ş.

The GAMA Group commenced its activities in the contracting sector under GAMA İnşaat Ltd. Şirketi in 1959. In 1970, these activities were brought together under the auspices of Gama Endüstri Tesisleri İmalat ve Montaj A.Ş. (GAMA Industry) ( Since then, GAMA Industry has become one of the leading companies in Turkey and begun slowly moving up in the international rankings of construction companies. To date, GAMA Industry has completed over 300 large-scale projects at home and abroad.

GAMA specializes in the turnkey construction of industrial facilities, including thermal power plants, refineries, petrochemical plants, hydroelectric power plants, water and waste water treatment plants, cement factories and pipelines; the installation of mechanical/electrical equipment and instrumentation; and the construction of skyscrapers, business and shopping complexes, residences, tourism facilities, social and cultural facilities, health facilities, dams, underground transportation systems and utilities. In the 1970's, GAMA Industry began to extend its activities to countries beyond Turkey, and has since signed its name to numerous projects in Iran, Iraq, Jordan, the United Arab Emirates, Saudi Arabia, Malaysia, Russia, Turkmenistan, Uzbekistan, Azerbaijan, Libya, Qatar, Kazakhistan, Bulgaria and Yemen. GAMA’s professionalism is backed by the possession of ISO 9001 Quality, ISO 14001 Environmental Protection, OHSAS 18001 Occupational Health and Safety Certifications and EN qualification certificate for welded construction, the rights of authorized use of the American Society of Mechanical Engineers (ASME) stamps. Experience and quality has placed GAMA Industry among the most reputable international companies leading the field of specialty construction of industrial facilities.

GAMA Industry has been honored with several certificates of success for the successful completion of projects without any lost time incidents and high amount of tax payments. 

Tekfen İnşaat ve Tesisat A.Ş.

Tekfen İnşaat ve Tesisat A.Ş. ( was established in 1956 to perform an Engineering consultations. An uncompromising dedication to global quality standards in its business conduct has underscored the company’s consistent growth and stability over five decades.

Presently, Tekfen İnşaat ve Tesisat A.Ş., as an affiliate of Tekfen Holding A.S., has successfully performed its activities as an international respectable contractor in Turkey, the Middle East, North Africa, Caucasia&Central Asia, East&Central Europe. The company carries out wide range of construction works, such as refineries and petrochemical plants, dwellings, major industrial facilities, pipelines and marine power plants, power line communications. With its affiliated companies and strategic partners, Tekfen is capable of extending its services to a large span of clients worldwide.

As an ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 certified company, Tekfen is dedicated to higher quality standards, aiming excellence through "continual improvement" and strict belief in "teamwork".