35 Energy management, namely management of energy generation and distribution installations.
36 Financial consultancy services in the energy and water industries.
37 Construction of power stations, in particular hydroelectric power stations, nuclear power stations, coal power stations, gas and steam turbine power stations, energy management, namely the setting up and maintenance of energy generation and distribution installations; creation and installation of distribution and transport networks; construction, maintenance and upkeep of electric street lighting; maintenance of waste water and fresh water installations.
38 Telecommunications; cable television services.
39 Providing of transport networks for distributing energy, water and energy, in particular electrical energy; heating (local and long-distance heating) as well as provision for others of electricity and heating (local and long-distance heating); operating distribution networks and transport networks; supplying of fresh water; supplying of electricity to households and industry; supplying of natural and liquid gas to households and industry; supplying of drinking water to households and industry.
40 Sewage removal, industrial treatment of water and sewage.
42 Technical services for the operation of distribution networks, in particular for water, electricity, gas and radio and television signals; energy consultancy for domestic, commercial and industrial purposes; development of integrated energy concepts; energy management, namely technical consultancy and planning regarding energy generation and distribution installations; energy-specific consultancy services, environmental consultancy services for the energy and water industries; consultancy on water usage.