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Leader Contractor

& Manufacturer

Semac Construction is a international leading contractor & manufacturer, specialising in the Oil & Gas Industry by undertaking electro-mechanical EPC and other contracts and delivering complete metering and analyser solutions for gases & liquids.
Analyser shelter from the inside
The IGB Komotini Station

Complete solutions for the Oil & Gas Industry.

 Metering system for Gas

Metering skids, control systems & more.

Analyser shelters

Analyzer systems for quality measurements of crude oil, refined products, natural gas and CEMS.

Metro station under construction

Electro-mechanical works in metro stations, tunnels, & more.

High quality & innovative solutions with professional engineering, management and after-sales support.

Projects We Deliver

Projects Under Construction

Power Plant with a Combined Cycle Gas Unit in Grudziądz, Poland

Desfa Compression Station in Komotini

Contruction of Thessaloniki Metro Stations

Delivered Projects

Total Projects


Metering Systems


Analyser Systems


Our Clients

We take pride in our commitment to customer satisfaction and our ability to deliver innovative solutions that drive success for our clients. 

Terna logo
Metka logo
Hellenic Petroleum logo
Aktor logo
Avax logo
Coral logo
Desfa logo

Services We Deliver

At your side, with total commitment, today and into the future, we will help you to overcome your specific industry challenges.


From process design to detailed engineering and project management.


With advanced technologies, we bring your construction projects to life.

Site Construction

Advanced on-site support for all projects.


Advanced automation drives us forward.

Technical Support

High quility technical support for all products & services.


Calibration for guarantee precision and reliability.

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Contact Us

At Semac Construction, a division of Semac Group, we are dedicated to incorporating cutting-edge technologies that provide distinctive benefits in the construction industry while prioritizing the safety and well-being of our workforce, the environment, and the communities in which we operate.

Committed to improve plant performance, for your success

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