37
Building construction supervision and management; building construction, installation and assembly; maintenance and repair services; in particular with regard to electricity generating apparatus from solar energy, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric installations including solar power, photovoltaic and wind installations, and electricity generating plants; advisory services relating to development of property; advisory services relating to development of solar energy systems and solar based power plants; installation, repair, and maintenance of solar energy systems and solar energy based power plants; installation of facilities to produce solar energy
39
Distribution of energy services; distribution of energy
40
Generating and processing of energy, including electrical, solar, photovoltaic and wind power, and in general from processing of materials electricity generation; production and processing of electricity; generation of electricity from solar energy