Metering Systems

Metering solutions for the most challenging projects

Semac Construction S.A. has been engineering fiscal metering systems for many years and is best known for its quality, reliability and expertise in metering technologies, regulations and standards. Our experience includes all metering techniques in varied applications along with analytical systems and control panels.

Our on-going dedication to the oil and gas industry means that we are continuously helping to develop new techniques. We have the experience and knowledge to deliver high accuracy gas and liquid metering, proving, master metering and calibration packages whatever the technique required. Different technologies have different benefits and we can help you to make the right choice for your application.

Metering Systems

Services / Training

Flow Computer applications

Supervisory Systems and HMIs •• A choice of flow computer technology •• Flexible Reporting •• Commissioning •• Operator Training •• Systems Upgrades

Our Projects

Solutions for Oil & Gas industry

Solutions for Oil & Gas industry

E.P.C Projects | Loading Unloading | HMI/SCADA | Automation Instrumentation | Electromechanical Projects

Metering Skids

Metering Skids

Completed complex projects Design, assembly and delivery of measuring skids, flow computers and control systems, installation on site, calibration and certification, commissioning, training, servicing and support after start-up.

Civil Construction

Civil Construction

Earthworks Civil works for Buildings installation, Foundations and supports for valves and equipment, Pits for cable ways

Electromechanical Projects

Electromechanical Projects

Calibration & Installation of Instruments, Prefabrication and erection of piping, Light & medium size steel structures prefabrication and erection, Electrical substation construction, Installation of electrical equipment, Skids design, construction and testing, Equipment Construction



Cable trays and cable installation, Lighting & Power cables installation, Installation of DC cables, Low voltage cables installation, Fire system installation, UPS system installation, BACS cables installation, LAS equipment installation

Our Facilities

Offices | Workshop 1

Semac Group, offices and workshop 1

Workshop 2

Semac Group, with the aim of developing and applying advanced technologies that offer unique advantages in the construction of mechanical equipment, it has completed its new 2000 m2 facilities.

Our Company

Semac Construction S.A. was established in 1992 in Greece. It has over 2 decades of experience in the oil & gas  industry sector. The last 25 years was involved in construction of several major projects in Greece, in the field of Oil & Gas, Road Tunnels and Metro Stations. Today is one of the leading engineering & construction companies in the Oil & Gas, Petrochemical, Power and Heavy Industry sectors.

  • Instruments. Calibration and installation
  • Prefabrication and erection of Piping
  • Steel Structures. Prefabrication and erection
  • Equipment construction
  • Electrical substations construction
  • Electrical Equipment installation
  • Skids design, construction and testing

Our strategy for the future is to develop independent equipped dynamic task forces, consisting from our engineers, foremen and technicians in the range of the company expertise, in order to provide and respond efficiently to any construction challenge assigned to us worldwide.

Τhe aim of developing and applying advanced technologies that offer unique advantages in the construction sectors.

We committed to providing, first-class services, protect the health & safety of our people, the environment protection &the communities where we operate.

For many years, Semac Construction has lived by a set of core values that define who we are, shape our behavior, and singled out us from others.

Our Quality

Over 25 Years Milestones

1992  Electromakedoniki Ltd. was established in 1992
1994  A new Automation department was created
1997  Electromakedoniki changed name as Semac Electromakedoniki S.A.
2004  The company moved to new company-owned building in industrial area of Thessaloniki. Semac Electromakedoniki S.A. was divided in two companies, Semac Construction S.A. & Semac Automation S.A.
2009  Semac Group completed its new 2000m2 facilities adjacent to the existing ones
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