About Us

Generating solutions


Since 1990 TESSAI, Tecnología Eléctrica de Servicios del Sureste S.L. (Southeast Electrical Technology Services L.C.), is in charge of producing and maintaining Low/High Voltage electrical installations, industrial automation and electromechanical repairs.

Now we are starting a new episode of our company that we face up with energy, professionalism and optimism to those required changes in the current market.

Lines of work

Automation and control systems.
Low Voltaje installations.
High Voltage installations and transformation centers.
Electrical panel assembly.

Our strategy, the expansion


Leadership and solvency

Innovation in Engineering

International experience

High professional quality