37 Building construction; Building construction advisory services; Building construction consultancy services; Building construction information; Building construction supervision; Construction consultancy; Construction planning; Construction supervision; Construction of alternative energy generation power plants; Construction of biomass power plants; Construction of waste-to-energy power plants; Construction of biodiesel and ethanol power plants; Construction project management services; Construction project management services in the field of renewable and alternative energy generation; Consulting services in the field of construction of wind energy facilities; Installation and maintenance of photovoltaic installations; Installation of apparatus for generating power; Installation of geothermal energy based power plants; Installation of industrial machinery; Installation of machinery for generating electricity; Installation of renewable energy generation equipment; Installation, maintenance and repair of apparatus for distributing electricity; Installation, maintenance and repair of apparatus for generating electricity; Installation, maintenance and repair of industrial machinery; Installation, maintenance and repair of power generating apparatus; Installation, maintenance, repair and reconditioning of industrial machinery; On-site construction supervision; Construction of civil engineering structures; Construction of wind power plants; Construction project management services in the field of construction of renewable energy and energy generation equipment support structures and ancillary structures for supporting meteorological data gathering equipment; Consultancy relating to the installation, maintenance and repair of windmills and wind turbines; Installation and maintenance of solar energy based power plants; Installation and maintenance of solar thermal installations; Installation and maintenance of photovoltaic/solar thermal hybrid installations; Installation of photovoltaic cells and modules; Installation, maintenance and repair of photovoltaic cells and modules; Installation, maintenance and repair of solar energy systems; Installation, maintenance and repair of solar installations for generating power; Installation, maintenance and repair of solar installations for generating power, solar collectors and photovoltaic modules; Installation, maintenance and repair of windmills and wind turbines; Machinery installation; Machinery installation, maintenance and repair; Maintenance and repair of wind power plants; Maintenance of apparatus and installations for generating power; Maintenance of power generating apparatus and installations; Maintenance, servicing and repair of apparatus and installations for generating power; Provision of information relating to the installation of machinery; Repair and maintenance of energy generating installations; Repair services for electric generators and wind turbines