35 Advertising; business management services; business administration; office functions; telephone answering services for unavailable subscribers; business and organisation consultancy in the field of communications technology and in the energy sector;economic consultancy for others in the field of the generation of, procurement of transport for and the use of energy and water;technical and commercial management in the energy, gas, water and sewage sectors;calculation of heating costs, for others.
36 Insurance; financial affairs; monetary affairs; real-estate affairs.
38 Telecommunications; operating of telecommunications networks and telephone networks;providing access to existing communications networks, in particular the public telephone network and the Internet;telecontrol services, transmission of telecontrol information for teleindication, teleswitching, teleadjustment between subscriber apparatus operating as telecontrol apparatus and monitored apparatus, installations in private houses, buildings and valuable objects;information services via communications networks; broadcasting of radio and television programmes; systems monitoring by means of data transmission;emergency call service;operation, installation and maintenance of data communication networks.
39 Transport; supply company or town works services, namely the supply of municipal areas, private houses, commerce and industry with electricity, gas, water and long-distance heating;transport and distribution of gases, liquids and solids by pipeline; packaging and storage of goods; travel arrangement; rental of motor vehicles, ships and aircraft;rental of garages and car parks.
42 Drawing up digital plans of conduits in the gas, water, sewage and telecommunications sectors;technical planning of infrastructure projects, sewerage systems, clarifying installations and power stations;technical consultancy for others in the field of the generation of, procurement of transport for and the use of energy and water;dumping of waste materials from power stations;disassembly, removal and filling of oil tanks;remediation of contaminated soil;landscape gardening;lawn care services; guards; security consultancy; creation of data-processing programs; engineering services in the field of energy technology, electrical engineering, building technology, communications technology and environmental technology, mechanical engineering and installation construction.