Building construction; Building construction supervision; Construction management; Construction management services; Construction supervision for building projects, in particular during construction; Building construction and building project supervision, in particular on-site; Construction project management services; Building construction supervision; Construction consultancy, construction management, in particular consultancy for executing or supervising building projects; Consultancy and information services relating to construction; Consultancy in relation to building maintenance or repair; Providing information relating to the repair or maintenance of electric lighting apparatus; Custom construction of buildings; Laying of cables; Plumbing; Gas and water installation services; Building insulating; Insulation services, In particular building insulation; Services for the construction of buildings; Electrical installation operations and services; Construction, repair and maintenance of buildings; Providing of information in relation to executing construction work and building construction, modernisation and renovation; Building maintenance and repair; General building contractor services; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Retrofitting of heating, ventilating and air conditioning installations in buildings; Heating equipment installation and repair; Heating contractor services; Installation of central heating systems, central heating, central heating installations or central heating apparatus; Installation, servicing and maintenance of photovoltaic installations, solar thermal installations and air conditioning installations; Installation of photovoltaic cells and photovoltaic panels, solar-powered systems; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Installation of active or passive fire protection installations, lighting, ventilation apparatus; Installation of electric lighting systems and energy installations, energy-saving apparatus and safety systems; Installation and maintenance of electric power generating machines, apparatus and installations, current generators, power generators; Maintenance, servicing and repair of power generating apparatus and installations; Installation of building automation installations, instrumentation installations; Computer hardware and telecommunication apparatus installation, maintenance and repair; Repair and maintenance of energy supply installations, energy generating installations and machines; Repair of electrical equipment and electrotechnical installations; Providing information relating to building construction.

Consultancy services relating to the distribution of electricity; Electricity distribution; Distribution of electricity and energy; Electricity storage; Storage of electricity; Electricity supply by means of distributing electricity or energy; Information and advisory services in relation to the distribution of energy; Electricity supply and distribution; Supply of waste heat; Distribution and transmission of electricity, in particular for power supply, in particular by means of cables and lines; Distribution of energy, in particular to households; Distribution of energy for heating and cooling buildings; Distribution of heat; Heat supplying [distribution]; Distribution of renewable energy and water; Providing of information in the field of energy distribution or water supply.

Air treatment; Air treatment; Air purification; Air regeneration; Consultancy services relating to the generation of electrical power; Electricity generating; Electricity generating; Production of energy, electricity or electric power; Generation of power; Information and consultancy in relation to electricity production using wave energy and wind energy; Air and water conditioning and purification; Air freshening; Air regeneration; Electricity production, in particular from renewable sources, solar energy, wave energy and wind energy; Electricity generating; Water treatment; Water treatment; Water purification.

Preparation and drafting of structural drawings and designs, Construction drafting; House plans (Drawing-up of -); Preparation of architectural plans; Preparation and drafting of technological opinions, technical opinions and studies, expert opinions in the field of technology; Architectural and engineering services; Recording data relating to energy consumption in buildings; Authentication (monitoring) of data or communications transmitted via telecommunications; Civil engineering planning services, Construction planning, in particular of building estates; Building planning, including surveying; Consultancy in the field of energy-saving; Consultancy in relation to quality control or quality assurance; Consultancy with regard to building planning, energy consumption and energy efficiency, in particular in buildings; Consultancy services relating to quality control; Consultancy in relation to technology services in the field of power and energy supply and energy-saving measures; Computer aided industrial testing, In particular diagnostic testing; Computer assisted engineering design services; Design and development of computer software and software packages; Design, in particular with regard to computer systems, computer programs and computer software; Programming of energy management software; Quality control; Engineering consultancy and engineering, in particular electrical engineering or structural engineering and architectural services; Conducting of technical measurements, inspections and tests, computerised feasibility studies; Measurement services; Conducting of quality audits, quality checks, quality controls and inspections, quality control tests; Engineering project studies; Energy auditing; Development of building projects, energy and power management systems, inspection methods, inspection procedures, energy management software; Design and development of power distribution networks, systems for producing renewable energy; Design in the field of construction, in particular design of buildings, commercial premises, houses, hotels, engineering works and residential buildings; Air quality data collection services; Preparation of expert opinions in relation to real estate planning; Engineering operations and services; Engineering in relation to building construction, energy technology and energy supply systems; Engineering consultancy services; Engineering services in the field of electrical power and natural gas production; IT consultancy, advisory and information services; IT services, IT security, protection and repair; Analysing of air in building environments; Planning of building real estate and housing estates; Checking for the purpose of certifying quality or standards; Inspection, analysis and evaluation of the goods or services of others for certification purposes; Quality evaluation and inspection, authentication and quality control, in particular prefabricated buildings; Technological services, consultancy, planning; Technical analysis and consultancy in relation to energy and power demand, in connection with energy-saving measures; Technical consultancy in the field of lighting technology, fire protection and safety; Technical planning and consulting in the field of light engineering; Technical planning and technical project management for the development of lighting equipment; Technical project planning and project studies, in particular in relation to engineering and the construction sector; Technical design and planning of gas, water and wastewater pipes, heating installations; Technological consultation services; Technological consultancy, in particular in the field of energy production and energy use and in relation to alternative energy production; Energy auditing; Home inspection services [surveying]; Preparation of reports relating to technical project studies for construction projects; Certification (quality control), in particular in relation to energy efficiency in buildings.