GEK TERNA is a diversified Greek business conglomerate founded in 1969, with operations spanning 12 countries and a team of approximately 9,000 employees. Its portfolio is anchored by several major subsidiaries active in large-scale infrastructure and energy sectors.
The group's construction arm, TERNA S.A., is the largest construction company in Greece, undertaking high-specification projects. Its concessions business operates approximately 2,000 km of motorways, making it the largest concessionaire and operator of its kind in Greece and Southeastern Europe. In the energy domain, TERNA ENERGY is Greece's largest renewable energy company, while Heron S.A. is involved in thermoelectric power generation and the supply of electricity and natural gas. Group revenues total €3.25 billion.
For technology professionals, the conglomerate's activities across infrastructure, energy production, and concessions present a broad scope for engineering, project management, and operational technology roles. The group's geographic footprint extends beyond Greece into Southeastern Europe, offering exposure to large-scale, multinational projects.
