Adakoğlu İnşaat Competitors

Tekfen Contracting Group is one of the two most prominent groups of Tekfen Holding, with its more than 17 thousand employees, nearly 2 billion USD of active portfolio and over 330 projects undertaken successfully to date. The Group is considered as one of the biggest institutions in Turkey, in terms of value of its completed projects, and owns one of the largest construction machinery and equipment inventories in the country. Tekfen Contracting Group, whose origin goes back to 1956, is considered as one of the leading contractors of its region today, and is active in all aspects of contracting business including feasibility, engineering, construction, assembly, maintenance, project control, management and counseling.

Doğuş Construction and Trade Inc. is considered a world-class leader in the construction sector, having completed over 260 mega-infrastructure and superstructure projects since 1951 with a total value of USD 35 billion. It has operated within joint ventures and consortiums with many international companies in projects across Türkiye, Middle East, North Africa, Eastern Europe and Gulf Countries, and has featured in ENR’s annual list of the world's top 250 construction companies since 2003. Doğuş Construction’s impressive and diverse portfolio of projects includes 1580 km of roads, 52 km of bridges and viaducts, over 560 km of subways, railways and tunnels, and 21 dams and hydroelectric power plants capable of producing 3350 MW of electricity. Also, the Company implemented 6,2 million square meter building construction including real estate investments. As well as being a leader in the construction sector, Doğuş Construction and Trade Inc. is also considered a leader in economic and social development. As a result of the certification process conducted by Happy Place to Work® Türkiye, Doğuş Construction was awarded the “Excellent Employee Experience Certificate and Award” in 2026 in the 3,000–4,000 employee category. Following the certification process, and based on the evaluations of an independent Scientific Committee, the company also succeeded in being included in Türkiye’s Happiest Workplaces List in the “Construction” category. Doğuş Construction is audited by BSI which is the world's leading provider of independent assessment services, and has qualified to receive the following certificates: ISO 9001:2015 Quality Management System; ISO 45001:2018 Occupational Health and Safety Management System; and ISO 14001:2015 Environmental Management System. These policies are applicable to general contracting, design, procurement, project management, construction, installation, erection and commissioning works for domestic and international projects.

Çalık Holding currently operates in 34 countries across four continents, employing more than 30,000 people in five sectors—energy, construction, mining, textiles, and finance—including employees of its affiliated service companies. Recognized for its reputation, reliability, and long-term cooperation with global companies due to its ongoing operations in various regions of the world, Çalık Holding develops innovative business models and forges ahead by achieving sustainable growth in its lines of business. With the value it places on human resources and its employee-oriented management approach, Çalık Holding adheres to its economic, environmental, and social sustainability goals in all its investments, projects, and business. As a United Nations Global Compact signatory, Çalık Holding prioritizes diversity, sustainability, and durability in all sectors and regions it operates, acts in line with the principle of treating all cultures, faiths, ethnicities, and genders equally, and adopts an environmentally friendly business approach.