Business management and organization consultancy; market studies; import and export agency services; advertising and brand image services; advertising; event marketing; organization of events, exhibitions, fairs and shows for commercial, promotional and advertising purposes; wholesale services in relation to water supply equipment; retail services in relation to water supply equipment; promotion of electrical goods for third parties; market studies and market research; commercial advice and information, in relation to the following fields: electric power consumption, business management assistance, and business management and organization consultancy in the field of environmental protection, new energies, preservation of natural resources and sustainable development; business efficiency experts in the field of environmental protection, new energies, preservation of natural resources and sustainable development; organization of exhibitions for commercial and advertising purposes relating to environmental protection, new energies, preservation of natural resources and sustainable development

Underground civil engineering services; Construction, installation, repair and maintenance services for electricity, gas and all types of energy distribution networks; assembly, installation, repair and maintenance services for equipment of electricity, gas, gas pipelines, boilers, gas and electricity accessories and installations, heating, air-conditioning, ventilation and refrigeration apparatus; installation of solar heating systems; installation of solar energy systems; installation and maintenance of thermo-solar installations; underground construction services relating to pipes; construction project management (construction supervision); installation services for solar energy systems; underwater repair and installation services; construction of structures for the storage of natural gas and crude oil; construction of structures for the production and transport of natural gas and crude oil; drilling services for the extraction of oil and gas; repair services for gas supply systems; mining and oil and gas extraction services; underground construction services relating to gas networks and supply lines; maintenance, repair and reconditioning services for photovoltaic installations and apparatus; maintenance and repair of thermo-solar installations; recharging service for batteries and accumulators; installation services for solar energy systems

Storage, transport and distribution services for goods; distribution of energy; renewable energy distribution; information and advisory services relating to energy distribution; electricity transport, storage and distribution services; distribution, storage, supply and transportation services for all types of components for electrical installations; storage of water in tanks; water distribution and supply; water supply as public utility services; collection of waste water by public sewerage; waste water transport; water transport by pipeline; disposal [transport] of waste water; provision of storage and warehousing services and installations

Treatment of materials; Generation and production of energy; electrical energy generation; generation of energy from renewable energy sources; generation of energy from wind energy; generation of energy from solar energy; production of energy generated by means of power plants; energy generation consultancy; water treatment; rental of apparatus for purifying water; water purification; water desalination; water demineralization; water regeneration; water conditioning and purification services

Scientific and technological services as well as research, appraisal, evaluation, reporting and design services relating thereto; Conducting technical project studies; industrial analysis and research services; engineering services; professional consultancy services with respect to engineering; water analysis; water quality control; technical design and planning of pipelines for gas, water and waste water; technical design and planning of water treatment plants; audits concerning energy; consultancy regarding energy saving; consultancy concerning technological services in the field of power supply and electricity; development of energy and electricity management systems; scientific research in the field of energy; scientific research in the field of renewable energy; conducting research and technical project studies relating to the use of natural energy; technological consultancy services in the field of alternative energy generation; water pollution control