SEISA is a 100% Mexican company with more than 25 years of experience dedicated to the efficient generation of energy. Our products, services and technological solutions provide a means to generate significant savings in energy cost and thereby add value to our customers.



Grupo Gentor is a private group, with headquarters in Monterrey N.L. Mexico; founded by Don Javier Garza Sepúlveda (deceased). Gentor’s background comes since the founding of Grupo Monterrey, when Cervecería Cuauhtémoc, S.A. was formed. Our founder always participated as an important shareholder and as a member of the Board of Directors in several industrial groups.

Energy Divison of Grupo GENTOR

In 1992, both companies are created:

  • Sistemas de Energía Internacional S. A. de C. V. (SEISA),
  • American Gentor Corporation (AGC).


In 2010 E-TECH was integrated to the Energy Division;  it is a company with more than 30 years of presence in the market, specialized in the construction and design of residual heat recovery equipment for the industrial processes.


In 2016, with the opening of the wholesale electricity market, “SEISA Suministro Calificado and SEISA Generación de Energía” are constituted.




At SEISA we are committed to provide energy solutions that meet the requirements of our customers, seeking to exceed their expectations; continuously improving the effectiveness of our Quality Management System through the fulfillment of the established objectives.