4
Fuels, natural gas; Electrical energy
11
Heating equipment
35
Advertising, business management, business administration, energy services, namely energy consultancy with regard to professional business matters; Professional business and organisation consultancy in the energy sector; Wholesaling and retailing of natural gas
36
Leasing of heating installations, technical equipment for electricity, natural gas and energy supplying, and telecommunications equipment; Energy consultancy with regard to financial matters, for households, commerce and industry, development of integrated energy strategies with regard to financial matters; Financial consultancy in the energy sector; Trading in electrical energy
37
Installation and maintenance of heating installations; Installation and maintenance of technical equipment for supplying electricity, natural gas and energy, and telecommunications equipment, for others, assembly and maintenance of energy generating and energy distribution installations
38
Rental of telecommunication facilities; Telecommunications
39
Supplying consumers with electricity, heating, gas and water; Supply/distribution of renewable and non-renewable energy; Distribution of energy
40
Electricity generating
42
Energy consultancy with regard to technical matters; Technical consultancy with regard to the selection of heating installations, technical equipment for electricity, natural gas and energy supply and telecommunications equipment; Civil engineering services; Engineering with regard to building site development, the supplying, installation, maintenance and operating of heating installations, technical equipment for supplying electricity, natural gas and energy, and telecommunications equipment, and with regard to the supplying of renewable and non-renewable energy; Technical consultancy with regard to operating equipment and installations for electricity and gas supplying, and for telecommunications; Energy management services, Namely technical consultancy, Technical project studies and technical consultancy for operational management of energy generating and energy distribution installations; Technical consultancy in the energy sector; Scientific and technological services and research services