Surveying in relation to energy installations, in particular wind parks, photovoltaic parks, photovoltaic installations, geothermal installations and biogas installations, refineries and power stations, in particular hydro-electric power stations and oil-fired power stations; Preparation of profitability analysis for development, planning, construction and operation of energy installations, in particular wind parks, photovoltaic parks, photovoltaic installations, geothermal installations and biogas installations, refineries and power stations, in particular hydro-electric power stations and oil-fired power stations.

Measuring, checking (supervision), controlling, regulating and testing apparatus and instruments for use in the electromechanical, energy, heat engineering, combined heat and power plant, and incinerating industries; Power electronics apparatus; Ducts [electricity]; Apparatus and installations for the production of electrical energy, including solar panels, solar cells and solar thermal collectors for the production of electrical energy; Regulating and safety accessories for apparatus and installations for the production of electrical energy; Parts for solar panels, solar cells and solar thermal collectors for the production of electrical energy.

Recirculation, air-feed, ventilating and combustion apparatus and installations; Apparatus and installations for heating, steam generating, drying and water supply purposes; Parts for apparatus and installations for recirculation, air supply, ventilating, combustion, heating, steam generating, drying and water supply purposes; Installations and apparatus for the transport and processing of gases, including for the treatment and conversion of gases; Safety and regulating fittings for gas installations; Machines and apparatus being parts for installations for the treatment and conversion of gases; Gas apparatus (regulating and safety accessories for -); Regulating and safety fixtures for gas pipes and apparatus, waste gas conduits and air exhaust pipes, filters for gas installations.

Building construction, building construction and repair; Repair of machines and apparatus for the electromechanical, energy, heat engineering, combined heat and power plant, and incinerating industries; Repair of measuring, checking, controlling, regulating and testing apparatus and instruments for use in the electromechanical, energy, heat engineering, combined heat and power plant, and incinerating industries; Repair of power electronics apparatus, recirculation, air supply and combustion apparatus and installations; Repair of apparatus and installations for the production of electrical energy, for steam generation, drying, water supply and gas purposes; Installation services for the electromechanical, energy, heat engineering, combined heat and power plant, and incinerating industries; Construction of electrical installations; Construction of recirculation, air supply, ventilating, combustion, heating, electricity production, steam generating, drying, water supply and gas installations; Construction, assembly, modernisation, maintenance and repair of heating, boiler, ventilating, energy, electrical power engineering, heat engineering, waste incineration, exhaust gas reduction and environmental protection installations; Building construction, renovation and building construction, repair of industrial facilities involved in thermal conversion of waste, power plants, combined heat and power plants, heat engineering plants and electromechanical facilities; Construction, assembly, modernisation, maintenance and repair of installations for incinerating plants, power plants, combined heat and power plants and heat engineering plants; Warranty and post-warranty servicing relating to the aforesaid fields; Information relating to the aforesaid fields.

Transmission and distribution of electrical and thermal energy, electrical and thermal power, compressed air, fuels, steam and hot water; Storage of electrical and thermal energy; Supply of electrical and thermal energy; Water supply and distribution; waste transport; Refuse collection services; Information relating to the aforesaid fields.

Production and processing of electrical and thermal energy; Waste management (recycling, purifying, destruction); Waste treatment [transformation]; Recycling of waste and trash; Incineration and destruction of waste materials; Production of electrical energy and heat (steam and hot water); Reduction of harmful gas emissions during energy production; Reduction of harmful gas emissions during electrical and thermal energy production during incineration; Information relating to the aforesaid fields.

Scientific and technological research, measurement and analysis; Engineering; Research and development for the electromechanical, energy, heat engineering, combined heat and power plant industries, and waste treatment facilities; Building construction, urbanisation and technological design; Engineering appraisals, opinions and research in the field of heating, recirculation, air-feed, ventilating, combustion, environmental protection, energy, combined heat and power, and heat engineering systems, apparatus and facilities, and for the electromechanical industry; Engineering appraisals, opinions and research in the field of harmful gas emission processes, design in the field of heating, recirculation, air-feed, ventilating, combustion and environmental protection systems, apparatus and installations; Structural design of machines, apparatus and installations for the electromechanical, energy, heat engineering, combined heat and power industries, and for waste treatment facilities; Technical and technical and organisation consultancy relating to the reduction of harmful gas emissions and services relating to heating, ventilating and environmental protection for the electromechanical, energy, heat engineering, combined heat and power, and waste treatment industries; Measuring works in the field of energy and environmental protection; Research and professional consultancy in the field of environmental engineering and techniques of incineration and emission of harmful gases; Consultancy and information in the field of scientific and technical research, measuring and analysis, engineering surveys, research and development for the electromechanical, energy, heat engineering, combined heat and power plant industries, and waste treatment facilities; Consultancy and information in the field of building construction, urbanisation and technological design; Consultancy and information in the field of engineering appraisals, opinions and research in the field of heating, recirculation, air supply, ventilating, combustion, environmental protection, energy, combined heat and power, and heat engineering systems, apparatus and facilities, and for the electromechanical industry; Consultancy and information in the field of engineering appraisals, opinions and research in the field of harmful gas emission processes, design in the field of heating, recirculation, air supply, ventilating, combustion and environmental protection systems, apparatus and installations; Consultancy and information in the field of structural design of machines, apparatus and installations for the electromechanical, energy, heat engineering, combined heat and power industries, and for waste treatment facilities; Consultancy and information in the field of technical, technological and organisational consultancy relating to the reduction of harmful gas emissions and services relating to heating, ventilating and environmental protection for the electromechanical, energy, heat engineering, combined heat and power, and waste treatment industries; Consultancy and information in the field of measuring works in the field of energy management and environmental protection, research and professional consultancy in the field of environmental engineering and techniques of incineration and emission of harmful gases; Supervision of waste treatment sites.