7
Industrial machine tools; Machines for the assembly and manufacture of photovoltaic cells and solar installations; Wind turbines; Machines and machine tools; Motors and engines (except for land vehicles); Machine coupling and transmission components (except for land vehicles); Agricultural implements other than hand-operated; Incubators for eggs
37
Building construction, Machinery repair and installation, Installations and equipment in the mechanical engineering sector; Building construction, Machinery repair and installation, Installations and equipment in the thermal insulation sector; Building construction, Machinery repair and installation, Installations and equipment in the field of energy saving; Building construction, Machinery repair and installation, Installations and equipment in the field of energy production from alternative sources; Building construction, repair and installation of photovoltaic and solar panels and Wind power plants; Construction, repair and installation of ecological plants to treat and dispose of waste; Building construction; Repair; Installation services (services for others)
40
Energy production from organic materials; Waste treatment (processing); Treatment and working of silicon, assembly of components and photovoltaic cells, Production of energy; Treatment of materials (services for others)
42
Technical project studies; Design, planning and development of prototypes in the sector of machine and industrial plants; Design, planning and development of prototypes for thermal isolation and saving energy; Design, planning and development of prototypes in the energy production sector from renewable sources; Design, planning and development of panels and photovoltaic cells, of solar and wind power systems; Engineering; Consultancy in the field of energy-saving; Design, planning and development of prototypes in the sector for ecological plants for the treatment and disposal of waste; Scientific and technological services and related research and design services; Industrial analysis and research services; Design and development of computer hardware and software (services for others)