KOCAENERJİ Competitors

Siemens AG (Berlin and Munich) is a leading technology company focused on industry, infrastructure, mobility, and healthcare. The company’s purpose is to create technology to transform the everyday, for everyone. By combining the real and the digital worlds, Siemens empowers customers to accelerate their digital and sustainability transformations, making factories more efficient, cities more livable, and transportation more sustainable. A leader in industrial AI, Siemens leverages its deep domain know-how to apply AI – including generative AI – to real-world applications, making AI accessible and impactful for customers across diverse industries. Siemens also owns a majority stake in the publicly listed company Siemens Healthineers, a leading global medical technology provider pioneering breakthroughs in healthcare. For everyone. Everywhere. Sustainably. In fiscal 2025, which ended on September 30, 2025, the Siemens Group generated revenue of €78.9 billion and net income of €10.4 billion. As of September 30, 2025, the company employed around 318,000 people worldwide on the basis of continuing operations.

Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central Asia, the Middle East, and Africa. Our diversified portfolio spans electricity transmission and distribution, renewable energy, electricity retail, and the engineering, procurement, and construction (EPC) of high-efficiency power generation plants. To date, we have successfully delivered more than 40 large-scale projects, including over 10 GW of gas-fired power plants and 535 km of transmission and distribution lines, reaching a total installed capacity exceeding 16 GW. Through these projects, we provide reliable energy to millions of people and create opportunities for more than 14,000 employees, generating lasting economic and social value in the regions we serve.

It was the initiatives of our dear late founder Nuri Özaltın in the field of construction and contracting that laid the foundations of Özaltın Holding. Carrying on its operations with a mentality that sets the development and growth of the countries where it operates as its priority, the holding is currently among the leading and entrepreneurial organizations in Turkey. Having undersigned exemplary infrastructure and superstructure projects, dams constitute a significant part of the completed and ongoing projects of the Holding. Along with the dams, its fields of activity consist of water treatment facilities, roads, bridges, tunnels, railways, pipelines, hotels, sports facilities, mass housing, hospitals and factories. Özaltın Holding determinedly continues its operations with its enhanced machinery and equipment park, employees who research and use modern technology, strong financial structure, and exemplary investments in construction and contracting, transportation, energy, tourism and greenhouse sectors in the world, the value of which are measured with billions of dollars.