Who we are

We develop infrastructure that powers the energy and construction sectors across public and private projects in Greece.

With over four decades of experience, we undertake a wide range of projects. From building works and road construction to hydraulic projects, industrial installations, and high-demand energy projects. Each project is approached as a complete challenge, where we combine modern design, technical precision, and innovative practices, aiming to deliver works that last and create real value.

Our expertise in energy projects includes the development of electrical power networks in collaboration with HEDNO and the construction of renewable energy power plants. Our approach combines know-how, experience, and modern technologies, delivering solutions that maximize efficiency and enhance the sustainability of infrastructure.

Our goal is to create infrastructure that stands the test of time, evolves with technology, and delivers value.

Our History.

The key milestones of Pylonas ATE that have shaped our evolution, growth and continuous commitment to quality and innovation.

1992

Start of Professional Activity

Mr. Anastasios Theodosiadis begins his professional activity as a sole proprietorship, laying the foundations for a career in the construction sector.

2005

Establishment of “Theta Techniki”

In partnership with Ms. Eleni Theodosiadou, “Theta Techniki” is founded, marking the first expansion of the company’s corporate activity.

2008

Establishment of “Theodosiadis Anastasios & Co. S.A.”

Together with Mr. Kyriakos Vasileiadis, the company restructures and expands its range of services.

2013

Establishment of Pylonas ATE

The company is founded with the vision of providing integrated technical solutions in the construction and energy infrastructure sectors.

2014

Acquisition of 2nd Class Contractor Certificate

Pylonas ATE is officially recognized as a contractor, establishing the foundation for participation in significant public and private projects.

2015

Project Award: Electricity Networks in the Xanthi Region

The first major assignment in collaboration with HEDNO marks the beginning of our specialization in electrical energy networks.

2017

Upgrade to 3rd Class Contractor Certificate

Pylonas ATE expands its capabilities, enabling the execution of higher category and more complex projects.

2018

Project Contracts in 5 Administrative Regions

The company implements projects in Eastern & Central Thessaloniki, Western Thessaloniki, Xanthi, Katerini, and Polygyros, strengthening its operational footprint.

2020

Upgrade to 4th Class Contractor Certificate

Enables the company to undertake even more complex and large-scale projects.

2026

Upgrade to 6th Class Contractor Certificate

The company attains the highest contractor classification, reaffirming its continuous growth and capacity to deliver complex, large-scale projects

Our Identity.

We complete every project with precision, reliability, and vision. Our people, expertise, and infrastructure form the solid foundation behind every successful construction.

Our Philosophy

Our philosophy is to deliver projects that meet demanding conditions, providing functional, safe, and aesthetically complete solutions for people and communities, today and in the future.

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Quality

For us, quality is not simply a goal. Ιt is the core of our activity. Every process, material, and detail is carefully controlled, ensuring projects that meet the highest standards.

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Our People

Behind every project are our people. With expertise and a passion for excellence, our team ensures that each project is designed, executed, and delivered with precision and integrity.

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Facilities

We operate modern facilities with our headquarters in Thessaloniki, as well as construction sites in Edessa, Florina, Kastoria, and Ioannina. We utilize state-of-the-art equipment and machinery, ensuring smooth operations and immediate support across all our…

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Our Certifications.

Compliance with international standards, along with our internal procedures, ensures quality, safety, and a high technical level across all our activities.