Business management; Business administration; Office functions; Billing services of all kinds, including reading of meters; Tariff billing of all kinds; Reading of meter consumption (energy, heating, hot water and water consumption) for drawing up invoices; Recording (word processing) and accounting processing of energy, gas, heating, hot water and water data and additional costs, and providing of analyses relating thereto (statistics) and billing for the corresponding costs; Business auditing; Administrative processing of purchase orders; Wholesaling and retailing of scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images; Wholesaling and retailing of magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Online mail order services from an e-commerce provider, namely presentation of goods and services, order placement, delivery and invoice management for scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Online mail order services from an e-commerce provider, namely presentation of goods and services, order placement, delivery and invoice management for apparatus for recording, transmission or reproduction of sound or images, magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus; Online mail order services from an e-commerce provider, namely presentation of goods and services, order placement, delivery and invoice management for cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Consumer consultancy, including consumer consultancy for scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images; Consumer consultancy for magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Organisational and professional business consultancy regarding the purchase and sale of scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images; Organisational and professional business consultancy regarding the purchase and sale of magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Cost price analysis in the field of energy and water management and supply; Arranging of contracts, for others, included in class 35; 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; Contractual arrangement for conducting energy carriers and water through supply networks of others; Electronic data storage, for others; Advertising in all media, including radio, television, cinema, print, videotext, on-line and teletext advertising; Sponsoring in the form of advertising; Demonstration of goods.

Building construction; Installation, servicing, assembly and replacement fitting, repair and maintenance of the following goods: scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images; Installation, servicing, assembly and replacement fitting, repair and maintenance of the following goods: magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Installation of apparatus and equipment for the remote operation and remote control of apparatus and equipment in the private, public and industrial sector; Repair of functional defects in private, public and industrial apparatus and equipment; Installation and maintenance of computer hardware for data transfer for the remote reading of energy and consumption meters; Facility management or infrastructural building management, namely repair, maintenance and servicing of real estate, including permanently connected supply installations therefor, in particular heating and power systems.

Telecommunications; Call-relaying; Consultancy relating to communications technology; Providing telecommunications connections to a global computer network; Providing chatlines, chat rooms and forums on the Internet; Providing of Internet portals, for others; Provision of portals on the Internet; Providing access to information on the Internet; Communications by computer terminals; Call-by-call telephone services; Transmitting data on the Internet; Electronic mail; Internet-by-call services, namely providing access to software on data networks for Internet access through separate and separately billed network dial-up services, without the requirement of a continuous contractual obligation to the network provider; Computer aided transmission of messages and images; Telecommunications routing and junction services; Preselection telephone services; Satellite transmission; Message sending; Transmission of data via power networks (power lines); Web messaging; Rental of telecommunication equipment; Leasing of communications apparatus; Rental of telecommunications networks for landline connections; Providing and rental of access time to databases with search and retrieval facilities, in particular providing access to the measured values of energy and consumption meters on the Internet; Manual or automatic voice and video telecommunications over closed and open voice or data networks; Electronic transmission of energy cost, consumption cost and additional cost data.

Scientific and technological services and research and design relating thereto; Engineering services; Consultancy in the field of energy-saving; Calibration, technical development and technical monitoring of the following goods: scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images; Calibration, technical development and technical monitoring of the following goods: magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Energy management, namely technical consultancy and planning of energy generation and distribution installations, fuel cells, wind power installations and photovoltaic installations; Engineering for installations for the conversion and use of energy and gas; Engineering for gas, electricity, water and district heating networks; Technical consultancy in the field of the generation of electrical and thermal energy; Technical consultancy and technical expertise; Technical consultancy for customers in matters relating to supply, namely the use and installation of lighting, communication, heating, refrigerating and ventilating apparatus (air conditioning); Technical consultancy in connection with energy saving initiatives and the optimisation of heating installations; Technical planning of energy installations and communication installations; Technical and ecological consultancy in the energy sector, in particular technical energy consultancy for households, businesses, municipalities and industry; Technical planning and consultancy and expertise in the field of heating, electricity, water and domestic engineering; Technical measurements of gas, electricity, heat and water; Technical planning and technical monitoring of water, electricity, heat and gas transport pipes and equipment therefor, in particular mixing, measuring and regulating stations and stations for receiving and delivering water, electricity, heat and gas, storage systems and telecommunications systems; Technical design, technical consultancy, planning and technical monitoring of energy generating and distribution installations, lighting installations, intelligent buildings, namely smart homes and smart metering, fuel cells, communications installations, wind power installations and photovoltaic installations; Providing of expertise on technical issues relating to energy, gas, communication and lighting installations; Technical testing of apparatus, machines and installations of all kinds; Technical monitoring of energy, communication, lighting, water and waste water installations and networks; Technical monitoring of distribution networks, in particular leakage monitoring; Rental of scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images, included in class 42; Rental of magnetic data carriers, recording discs, compact discs, DVDs and other digital recording media, mechanisms for coin-operated apparatus, cash registers, calculating machines, data processing equipment, computers, computer software, fire-extinguishing apparatus, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, included in class 42; Rental of cost allocators and energy and consumption meters; Rental of data carriers containing recorded software, data, images, audio and/or video information (included in class 42); Rental of monitoring apparatus, in particular energy and consumption monitoring apparatus for electricity consumption; Rental of energy and consumption measuring apparatus, in particular apparatus for measuring electricity consumption; Rental of measuring apparatus for heat consumption readings; Rental of software for Internet access; Rental of water meters, heating cost and hot water cost distributors; Rental of web servers; Inspection, namely technical monitoring of private, public and commercial apparatus and equipment for functional defects (including via remote diagnosis); Design and development of computer hardware and software, in particular design and further development of computer software for recording, compilation, evaluation, storage, transmission and interpretation of sensor measurement data from an intelligent apartment or smart home and for smart metering; Development of software architecture, modules and interfaces for electronic and electrotechnical apparatus, components and systems; Creating software in the field of the transport and use of electricity, water, heat and gas; Technical consultancy with regard telecommunications engineering; Operating service hotlines, namely telephone consultancy on technical matters; Operating a service hotline for Internet users, namely telephone consultancy in connection with the use of search engines; Homepage and webpage design; Certification agency services (trust centres), namely issuing and management of digital codes and/or digital signatures; Quality control and certification; Consultancy in relation to quality assurance, quality control and quality guarantee; Issuing of declarations, certificates and similar documents according to award criteria; Certification of quality assurance systems; Drawing up and testing of standards, certification criteria and certification guidelines; Testing of services, systems, processes, goods and materials against certification criteria based on nationally and internationally recognised standards and guidelines; Services relating to the implementation of an authorisation system, including issuing of authorisations, monitoring of subscribers to the authorisation system and providing of information and consultancy relating to the authorisation system for subscribers; Development of software for Internet and intranet applications; Installation and maintenance of computer software for data transfer purposes, for the remote reading of energy and consumption meters; Network management, namely installation and maintenance of software for network systems; Technical creation of multimedia presentations using software programs; Providing search engines for the Internet; Server administration; Technical consultancy in the field of the Internet; Technical planning of telecommunications networks with transmission and switching systems contained therein, including software for the related network operation; Technical monitoring of cable infrastructures, wide area networks, local area networks, telecommunications systems, building installations and special-purpose networks, fire alarm systems, reporting systems and other technical media equipment; Checking of digital signatures; Storage of websites, for others; Electronic data security, namely regularly checking the security of electronic data, in particular data in media libraries; Maintenance of software for Internet portals, for others; Providing of memory space on the Internet; Securing electronic data, in particular data in media libraries; Remote maintenance by means of computer-aided queries and configuration of technical installations via telephone lines; Energy consultancy being consumer advice in the private, public and commercial sectors; Providing electronic information, communications and transaction platforms on the Internet; Providing an e-commerce platform on the Internet; Providing platforms on the Internet.