“For over 65 years, we have been offering our clients reliable, simple and flexible solutions”

We specialize in the design and manufacturing of Medium and High Voltage energy solutions for Railways and High Speed Trains, Utilities, Renewable Energies and Electro-intensive Industries; Oil & Gas, Mining and Big Industry in general.


Leaders in the national market and have a strong presence in more than 100 countries.

Latest news


HV Disconnectors training for REE in MESA

On 18th,19th and 20th October we received REE's third group corresponding to the training in maintenance of MESA's disconnectors and Operating mechanism for High Voltage Grids [...]


Training on Renewable Market MV Switchgear

We have recently received the visit of Kiran Tawade and Nitin More, Wind Farm Operations & Maintenance professionals [...]


Wind Farms - Zubigune Foundation

We have recently received the visit of a group of Engineers from Chile alongside with Raúl Menchero from Zubigune Fundazioa, Usurbil. [...]

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Railways and High Speed Rail

Presents in Spain’s main infrastructures.


Over 65 years of innovation alongside utilities

Renewable Energy

Worldwide leader in medium voltage protection for wind farms.

Oil & Gas, Mining and Big Industry

Strong presence in Spain main infrastructures


New video - Railways

MESA Solutions for the Railways

New video - Renewable Market

MESA Solutions for the Renewable Market