35 Billing services of all kinds, including reading of meters; tariff billing of all kinds; reading of meters for others (power, gas, water) for billing purposes; recording (word processing), cost accounting, billing and statistical data analysis in relation to utilities (power, gas, water), and providing of analyses relating thereto (statistics) and billing for the corresponding costs; business management; business administration; business auditing; administrative processing of purchase orders; office functions; wholesaling and retailing of scientific, surveying, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, electronic apparatus and installations consisting thereof, in particular installations in the field of energy supply, energy distribution and supply to consumers for public, commercial and private real estate, batteries and installations consisting thereof, uninterruptible power supply installations, lightning protection installations, apparatus and instruments for conducting, switching, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images, apparatus for viewing and showing on video, magnetic data carriers, calculating machines, data processing equipment and computers, equipment and apparatus for household, sanitary, heating and energy systems, namely, equipment and apparatus for measuring, regulating and checking (supervision) energy, gas, cooling, electricity, heat and water, and for recording data relating thereto, ammeters, equipment and apparatus and installations consisting thereof in the field of media technology and media control for acoustic and optical media, in particular apparatus in the field of audio technology, audio production, audio design, communications engineering, telecommunications, video technology and video production, junction boxes (electricity), detectors, pressure measuring apparatus, electric display apparatus, electric and electronic apparatus and systems consisting thereof for assisting the evacuation of persons from public, commercial and private buildings, electric apparatus for remote ignition, electric identification apparatus, electrotechnical apparatus, namely, electronic notice boards, control and regulating apparatus for electricity, remote control apparatus, gas testing instruments, gas flow meters, gas meters (measuring apparatus), electronic apparatus for capturing, collecting, evaluating, storing, transmitting and interpreting sensor measurement data from smart homes and for smart metering, apparatus for controlling, regulating and for effecting the automatic operation of technical equipment in living spaces for the purpose of increasing the comfort and safety of residents, apparatus for monitoring the living space and health of residents by means of sensors and for triggering automatic telephone or other calls for help transmitted via data or speech networks (monitoring apparatus and alarms), integrated circuit cards (smart cards), magnetic identity cards, magnetic cards, measuring and checking (supervision) apparatus for gases and liquids, switchboards, transmitters and receivers for electronic signals, voice alarm devices and systems consisting thereof, thermometers, not for medical purposes, thermostats, heating meters, water level indicators, water meters, including domestic water meters, meters, counters, meters for thermal energy, EIB (European Installation Bus) and LON (Local Operating Network) installations, ELA (electroacoustic) installations, including SAA (voice alarm) installations, having loudspeakers, control apparatus, amplification apparatus, intercom units and audio storage devices, and used for broadcasting, music broadcasting and alarm devices, electric apparatus and installations for monitoring building information and systems consisting thereof, fire alarm systems and intruder detection systems, webcams, custom-made data processing equipment and installations consisting thereof, telephone installations, antenna, broadband cable and satellite installations, equipment failure warning systems, data and communications network installations, consisting of passive network apparatus and components, including power networks and interface modules therefor, including patch panels, junction boxes and patch cables, and active network apparatus and components, including routers, switches, and W-LAN components necessary for signal transmission on intranets and on the Internet, electric and electronic pagers and installations consisting thereof, access control apparatus and installations consisting thereof, all the aforesaid apparatus and installations consisting thereof, including remotely controllable, in particular remotely readable, and for automatic and/or wireless data capture, including receiver units relating thereto, light control installations, recorded computer software, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, bath fittings and installations, lighting installations, pressure water tanks, water heaters, heating boilers, electric and electronic apparatus having lighting devices, and systems consisting thereof in the field of lighting design and lighting technology, regulating and safety accessories for water or gas apparatus and water or gas pipes, sanitary apparatus, feeding apparatus for heating boilers, thermostatic valves for heating apparatus, heat pumps, heat generators, heat accumulators, heat exchangers, water heaters (apparatus), water-heating apparatus, hot water heating installations, cooling installations for water, water conduit installations, water purification installations, water purifying apparatus and machines, water supply installations, water distribution installations; online services rendered by an e-commerce provider, namely, presentation of goods and services, administrative order processing, business administration in relation to delivery, and invoice preparation in relation to the rental and wholesale of scientific, surveying, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, electronic apparatus and installations consisting thereof, in particular installations in the field of energy supply, energy distribution and consumer supply for public, commercial and private real estate, batteries and installations consisting thereof, uninterruptible power supply installations, lightning protection installations, apparatus and instruments for conducting, switching, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images, apparatus for viewing and showing on video, magnetic data carriers, calculating machines, data processing equipment and computers, equipment and apparatus for household, sanitary, heating and energy systems, namely, equipment and apparatus for measuring, regulating and checking (supervision) energy, gas, cooling, electricity, heat and water, and for recording data relating thereto, ammeters, equipment and apparatus and installations consisting thereof in the field of media technology and media control for acoustic and optical media, in particular apparatus in the field of audio technology, audio production, audio design, communications engineering, telecommunications, video technology and video production, junction boxes (electricity), detectors, pressure measuring apparatus, electric display apparatus, electric and electronic apparatus and systems consisting thereof for assisting the evacuation of persons from public, commercial and private buildings, electric apparatus for remote ignition, electric identification apparatus, electrotechnical apparatus, namely, electronic notice boards, control and regulating apparatus for electricity, remote control apparatus, gas testing instruments, gas flow meters, gas meters (measuring apparatus), electronic apparatus for capturing, collecting, evaluating, storing, transmitting and interpreting sensor measurement data from smart homes and for smart metering, apparatus for controlling, regulating and for effecting the automatic operation of technical equipment in living spaces for the purpose of increasing the comfort and safety of residents, apparatus for monitoring the living space and health of residents by means of sensors and for triggering automatic telephone or other calls for help transmitted via data or speech networks (monitoring apparatus and alarms), integrated circuit cards (smart cards), magnetic identity cards, magnetic cards, measuring and checking (supervision) apparatus for gases and liquids, switchboards, transmitters and receivers for electronic signals, voice alarm devices and systems consisting thereof, thermometers, not for medical purposes, thermostats, heating meters, water level indicators, water meters, including domestic water meters, meters, counters, meters for thermal energy, EIB (European Installation Bus) and LON (Local Operating Network) installations, ELA (electroacoustic) installations, including SAA (voice alarm) installations, having loudspeakers, control apparatus, amplification apparatus, intercom units and audio storage devices, and used for broadcasting, music broadcasting and alarm devices, electric apparatus and installations for monitoring building information and systems consisting thereof, fire alarm systems and intruder detection systems, webcams, custom-made data processing equipment and installations consisting thereof, telephone installations, antenna, broadband cable and satellite installations, equipment failure warning systems, data and communications network installations, consisting of passive network apparatus and components, including power networks and interface modules therefor, including patch panels, junction boxes and patch cables, and active network apparatus and components, including routers, switches, and W-LAN components necessary for signal transmission on intranets and on the Internet, electric and electronic pagers and installations consisting thereof, access control apparatus and installations consisting thereof, all the aforesaid apparatus and installations consisting thereof, including remotely controllable, in particular remotely readable, and for automatic and/or wireless data capture, including receiver units relating thereto, light control installations, recorded computer software, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, bath fittings and installations, lighting installations, pressure water tanks, water heaters, heating boilers, electric and electronic apparatus having lighting devices, and systems consisting thereof in the field of lighting design and lighting technology, regulating and safety accessories for water or gas apparatus and water or gas pipes, sanitary apparatus, feeding apparatus for heating boilers, thermostatic valves for heating apparatus, heat pumps, heat generators, heat accumulators, heat exchangers, water heaters (apparatus), water-heating apparatus, hot water heating installations, cooling installations for water, water conduit installations, water purification installations, water purifying apparatus and machines, water supply installations, water distribution installations; consumer advice, including consumer advice relating to scientific, surveying, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, electronic apparatus and installations consisting thereof, in particular installations in the field of energy supply, energy distribution and consumer supply for public, commercial and private real estate, batteries and installations consisting thereof, uninterruptible power supply installations, lightning protection installations, apparatus and instruments for conducting, switching, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images, apparatus for viewing and showing on video, magnetic data carriers, calculating machines, data processing equipment and computers, equipment and apparatus for household, sanitary, heating and energy systems, namely, equipment and apparatus for measuring, regulating and checking (supervision) energy, gas, cooling, electricity, heat and water, and for recording data relating thereto, ammeters, equipment and apparatus and installations consisting thereof in the field of media technology and media control for acoustic and optical media, in particular apparatus in the field of audio technology, audio production, audio design, communications engineering, telecommunications, video technology and video production, junction boxes (electricity), detectors, pressure measuring apparatus, electric display apparatus, electric and electronic apparatus and systems consisting thereof for assisting the evacuation of persons from public, commercial and private buildings, electric apparatus for remote ignition, electric identification apparatus, electrotechnical apparatus, namely, electronic notice boards, control and regulating apparatus for electricity, remote control apparatus, gas testing instruments, gas flow meters, gas meters (measuring apparatus), electronic apparatus for capturing, collecting, evaluating, storing, transmitting and interpreting sensor measurement data from smart homes and for smart metering, apparatus for controlling, regulating and for effecting the automatic operation of technical equipment in living spaces for the purpose of increasing the comfort and safety of residents, apparatus for monitoring the living space and health of residents by means of sensors and for triggering automatic telephone or other calls for help transmitted via data or speech networks (monitoring apparatus and alarms), integrated circuit cards (smart cards), magnetic identity cards, magnetic cards, measuring and checking (supervision) apparatus for gases and liquids, switchboards, transmitters and receivers for electronic signals, voice alarm devices and systems consisting thereof, thermometers, not for medical purposes, thermostats, heating meters, water level indicators, water meters, including domestic water meters, meters, counters, meters for thermal energy, EIB (European Installation Bus) and LON (Local Operating Network) installations, ELA (electroacoustic) installations, including SAA (voice alarm) installations, having loudspeakers, control apparatus, amplification apparatus, intercom units and audiostorage devices, and used for broadcasting, music broadcasting and alarm devices, electric apparatus and installations for monitoring building information and systems consisting thereof, fire alarm systems and intruder detection systems, webcams, custom-made data processing equipment and installations consisting thereof, telephone installations, antenna, broadband cable and satellite installations, equipment failure warning systems, data and communications network installations, consisting of passive network apparatus and components, including power networks and interface modules therefor, including patch panels, junction boxes and patch cables, and active network apparatus and components, including routers, switches, and W-LAN components necessary for signal transmission on intranets and on the Internet, electric and electronic pagers and installations consisting thereof, access control apparatus and installations consisting thereof, all the aforesaid apparatus and installations consisting thereof, including remotely controllable, in particular remotely readable, and for automatic and/or wireless data capture, including receiver units relating thereto, light control installations, recorded computer software, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, bath fittings and installations, lighting installations, pressure water tanks, water heaters, heating boilers, electric and electronic apparatus having lighting devices, and systems consisting thereof in the field of lighting design and lighting technology, regulating and safety accessories for water or gas apparatus and water or gas pipes, sanitary apparatus, feeding apparatus for heating boilers, thermostatic valves for heating apparatus, heat pumps, heat generators, heat accumulators, heat exchangers, water heaters (apparatus), water-heating apparatus, hot water heating installations, cooling installations for water, water conduit installations, water purification installations, water purifying apparatus and machines, water supply installations, water distribution installations; professional business organizational consultancy relating to the buying and selling of scientific, surveying, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, electronic apparatus and installations consisting thereof, in particular installations in the field of energy supply, energy distribution and consumer supply for public, commercial and private real estate, batteries and installations consisting thereof, uninterruptible power supply installations, lightning protection installations, apparatus and instruments for conducting, switching, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images, apparatus for viewing and showing on video, magnetic data carriers, calculating machines, data processing equipment and computers, equipment and apparatus for household, sanitary, heating and energy systems, namely, equipment and apparatus for measuring, regulating and checking (supervision) energy, gas, cooling, electricity, heat and water, and for recording data relating thereto, ammeters, equipment and apparatus and installations consisting thereof in the field of media technology and media control for acoustic and optical media, in particular apparatus in the field of audio technology, audio production, audio design, communications engineering, telecommunications, video technology and video production, junction boxes (electricity), detectors, pressure measuring apparatus, electric display apparatus, electric and electronic apparatus and systems consisting thereof for assisting the evacuation of persons from public, commercial and private buildings, electric apparatus for remote ignition, electric identification apparatus, electrotechnical apparatus, namely, electronic notice boards, control and regulating apparatus for electricity, remote control apparatus, gas testing instruments, gas flow meters, gas meters (measuring apparatus), electronic apparatus for capturing, collecting, evaluating, storing, transmitting and interpreting sensor measurement data from smart homes and for smart metering, apparatus for controlling, regulating and for effecting the automatic operation of technical equipment in living spaces for the purpose of increasing the comfort and safety of residents, apparatus for monitoring the living space and health of residents by means of sensors and for triggering automatic telephone or other calls for help transmitted via data or speech networks (monitoring apparatus and alarms), integrated circuit cards (smart cards), magnetic identity cards, magnetic cards, measuring and checking (supervision) apparatus for gases and liquids, switchboards, transmitters and receivers for electronic signals, voice alarm devices and systems consisting thereof, thermometers, not for medical purposes, thermostats, heating meters, water level indicators, water meters, including domestic water meters, meters, counters, meters for thermal energy, EIB (European Installation Bus) and LON (Local Operating Network) installations, ELA (electroacoustic) installations, including SAA (voice alarm) installations, having loudspeakers, control apparatus, amplification apparatus, intercom units and audio storage devices, and used for broadcasting, music broadcasting and alarm devices, electric apparatus and installations for monitoring building information and systems consisting thereof, fire alarm systems and intruder detection systems, webcams, custom-made data processing equipment and installations consisting thereof, telephone installations, antenna, broadband cable and satellite installations, equipment failure warning systems, data and communications network installations, consisting of passive network apparatus and components, including power networks and interface modules therefor, including patch panels, junction boxes and patch cables, and active network apparatus and components, including routers, switches, and W-LAN components necessary for signal transmission on intranets and on the Internet, electric and electronic pagers and installations consisting thereof, access control apparatus and installations consisting thereof, all the aforesaid apparatus and installations consisting thereof, including remotely controllable, in particular remotely readable, and for automatic and/or wireless data capture, including receiver units relating thereto, light control installations, recorded computer software; cost price analysis in the field of energy and water management and supply; arranging of contracts, for others, included in this class; arranging of contracts, for others, for the buying and selling of goods; arranging commercial transactions for third parties, also within the framework of e-commerce; arranging of contracts, for others, for the providing of services; arranging of contracts with gas, cooling, electricity, heat and water suppliers; arranging subscriptions to telecommunication services for others; arranging of contractual trade services with third parties in relation to the distribution of energy and water through the supply networks of others; advertising on all media, including radio, television, cinema, print, videotext, online and teletext advertising, in particular for scientific, surveying, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, electronic apparatus and installations consisting thereof, in particular installations in the field of energy supply, energy distribution and consumer supply for public, commercial and private real estate, batteries and installations consisting thereof, uninterruptible power supply installations, lightning protection installations, apparatus and instruments for conducting, switching, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images, apparatus for viewing or showing on video, magnetic data carriers, calculating machines, data processing equipment and computers, equipment and apparatus for household, sanitary, heating and energy systems, namely, equipment and apparatus for measuring, regulating and checking (supervision) energy, gas, cooling, electricity, heat and water, and for recording data relating thereto, ammeters, equipment and apparatus and installations consisting thereof in the field of media technology and media control for acoustic and optical media, in particular apparatus in the field of audio technology, audio production, audio design, communications engineering, telecommunications, video technology and video production, junction boxes (electricity), detectors, pressure measuring apparatus, electric display apparatus, electric and electronic apparatus and systems consisting thereof for assisting the evacuation of persons from public, commercial and private buildings, electric apparatus for remote ignition, electric identification apparatus, electrotechnical apparatus, namely, electronic notice boards, control and regulating apparatus for electricity, remote control apparatus, gas testing instruments, gas flow meters, gas meters (measuring apparatus), electronic apparatus for capturing, collecting, evaluating, storing, transmitting and interpreting sensor measurement data from smart homes and for smart metering, apparatus for controlling, regulating and for effecting the automatic operation of technical equipment in living spaces for the purpose of increasing the comfort and safety of residents, apparatus for monitoring the living space and health of residents by means of sensors and for triggering automatic telephone or other calls for help transmitted via data or speech networks (monitoring apparatus and alarms), integrated circuit cards (smart cards), magnetic identity cards, magnetic cards, measuring and checking (supervision) apparatus for gases and liquids, switchboards, transmitters and receivers for electronic signals, voice alarm devices and systems consisting thereof, thermometers, not for medical purposes, thermostats, heating meters, water level indicators, water meters, including domestic water meters, meters, counters, meters for thermal energy, EIB (European Installation Bus) and LON (Local Operating Network) installations, ELA (electroacoustic) installations, including SAA (voice alarm) installations, having loudspeakers, control apparatus, amplification apparatus, intercom units and audio storage devices, and used for broadcasting, music broadcasting and alarm devices, electric apparatus and installations for monitoring building information and systems consisting thereof, fire alarm systems and intruder detection systems, webcams, custom-made data processing equipment and installations consisting thereof, telephone installations, antenna, broadband cable and satellite installations, equipment failure warning systems, data and communications network installations, consisting of passive network apparatus and components, including power networks and interface modules therefor, including patch panels, junction boxes and patch cables, and active network apparatus and components, including routers, switches, and W-LAN components necessary for signal transmission on intranets and on the Internet, electric and electronic pagers and installations consisting thereof, access control apparatus and installations consisting thereof, all the aforesaid apparatus and installations consisting thereof, including remotely controllable, in particular remotely readable, and for automatic and/or wireless data capture, including receiver units relating thereto, light control installations, recorded computer software, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, bath fittings and installations, lighting installations, pressure water tanks, water heaters, heating boilers, electric and electronic apparatus having lighting devices, and systems consisting thereof in the field of lighting design and lighting technology, regulating and safety accessories for water or gas apparatus and water or gas pipes, sanitary apparatus, feeding apparatus for heating boilers, thermostatic valves for heating apparatus, heat pumps, heat generators, heat water-heating apparatus, hot water heating installations, cooling installations for water, water conduit installations, water purification installations, water purifying apparatus and machines, water supply installations, water distribution installations; advertising, including promotion of products and services of third parties through sponsoring arrangements; demonstration of goods; consumer advice in the field of energy for the private, public and commercial sectors