Mota-Engil - Founded in 1946, today the Mota-Engil Group is a multinational with operations focused on construction and infrastructure management in the segments of Engineering and Construction, Environment and Services, Transport Concessions, Energy and Mining. As a leader in Portugal with a consolidated position in the ranks of the 25 largest european construction groups, Mota-Engil is making its mark on 3 continents and in 23 countries, in 3 distinct geographical areas – Europe, Africa and Latin America, maintaining the same standards of strict compliance, quality and capacity for execution in each market that allowed Mota-Engil to assert itself internationally. With holdings in approximately 280 companies, Mota-Engil assumes a market positioning aligned with the best practices and in a business conduct based on ethical principles

Benning - Founded in 1938 AC/DC Power Suplies, UPS-Systems, Rectifier, Inverter, Traction Chargers, Battery Systems, Test Equipment, Photovoltaic Systems, Electrical Machines

JHyundai Heavy Industries of Bulgaria has earned a reputation as a reliable business partners in the power industry by manufacturing and supplying the highest quality electric equipment, including transformers up to 800kV, GIS up to 800kV, switchgear, low & medium voltage circuit breakers, motors, generators, power electronics and integrated control & monitoring systems, for the customers.

Mitsui & Co of Japan is a general trading company or sogoshosha, active in wide-ranging business development on a global scale. Their four major business fields are mineral resources & energy, global marketing networks, lifestyle business, and infrastructure.