Who we are
Years of experience
Projects
Countries
We are a niche European company, a leading Technology provider, specializing in the design, development and deployment of advanced Automation, Control, Protection and Supervisory solutions for the Energy Sector, as well as the Oil&Gas, Heavy Industry and Marine Sectors.
Through our pioneering technologies and long-standing expertise in power & energy management, we can successfully facilitate the modernization of existing power plants and drive the deployment of RES solutions like Hybrid systems, V2G and Prosumer management.
With 45+ years of extensive know-how and focused R&D, MAS is one of the few companies that offers innovative software products, aimed at empowering customers to meet the challenges of digital transformation, and address the highly specialized requirements of the Energy Sector.
What we do
Software Solutions
MAS S.A. software solutions, consolidate specialized functions and tools aiming to provide comprehensive supervision, control and operation of a complete Power Plant.

Power Management
Integrated solutions for the control and management of multiple units in electrical power production installations.

Engine Control
MAS S.A. provides well-integrated solutions that help make today’s engines and equipment operate more cleanly, reliably and efficiently, achieving their highest performance.

Turbine Control
Our expertise covers field proven solutions for all type of engines in Prime Power Plants, Back up Power Plants and Peak Shaving Installations.

Marine
We design, develop and install advanced engine control, protection and monitoring systems for pneumatic, hydraulic and electronic automation systems.

From our blog
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MAS SA at Posidonia 2022 Exhibition
May 18, 2022Stand 3.441, Hall No 3 at 2022 POSIDONIA International Maritime Exhibition 6th - 10th of June, at Athens Metropolitan Expo
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Mr. Leonidas Zaimis, CEO of MAS SA, at the 2022 Delphi Economic Forum
May 13, 2022MAS S.A. is leading the technology transition with its innovative Digital Energy Ecosystem ACROSS. ACROSS is a state of the art, purpose-built software designed to automate real-time operations and support…
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MAS S.A. is a proud partner of CO2OLHEAT project
March 1, 2022MAS S.A. has joined the innovative CO2OLHEAT project, which aims to unlock the potential of industrial waste heat and its transformation into electricity via supercritical CO2 (sCO2) cycles.