-Desing, assembly (montage) and maintenance of electrical facilities of low tencion (residential, manufactured  (industrial), place of public concurrence and piblic system of ilumination)

-Desing , assembly (montage)  and maintenance of facilities of heating , air conditioning and war sanitary water.

-Desing ,  assembly  (montage)  and  maintenance  of  protections  facilities against fires.

-Desing , assembly  (montage)  and  maintenance  of electrical  facilities  of medium tension (air & underground lines and transformation centers)

-Desing, assembly (montage) and maintenance of facilities ot telecommu- nications ( Type A-B & C).