Installation, repair and maintenance of pipes and tube and metal and rubber fittings therefore, all the aforesaid services not related for ventilation and air conditioning plants and apparatus.

Technical planning as well as technical development of apparatus/plants for the production of hydrogen, oxygen, carbon dioxide, carbon monoxide or nitrogen or mixtures thereof for others, none of the afore mentioned services are related to water treatment plants, water exploitation and related services.

Seawater purification plants; purification plants, chemical treatment equipment; gas purification equipment; air treatment equipment; hydrogen generators combined with converters to create hydrogen derivatives; Reactors being industrial chemical installations; hydrogen electrolysis and conversion to hydrogen derivatives; Reactors for gas-solids reactions; Reactors for gas-gas reactions; Industrial effluent treatment plants; Gas recovery apparatus; water supply and sanitation equipment; water purification, purification, desalination and conditioning plant and equipment; sterilization, disinfection and decontamination equipment; filters for industrial use; Industrial treatment installations ;Gas cleaners and purifiers; Chemical processing equipment; Regulating and safety accessories for water and gas installations; Dryers for chemical treatments; evaporators for chemical treatments ; Heat exchangers [for chemical processing].

Maritime craft [boats and ships]; parts and components of nautical vehicles; Boats; Ships; Barges; marine craft equipped with energy storage and production units.

Construction, installation work, maintenance and repair services in connection with the following areas: Onshore and offshore installations for the production of energy from renewable sources; Construction and Installation Works in connection with the following areas: Plants for the production by electrolysis, storage, distribution by export line and via a filling station of hydrogen and its derivatives; Construction, installation and maintenance of industrial chemical plants for the production of hydrogen and derivatives, purification and desalination of sea water; Erection, construction, maintenance and installation services and Repair in connection with the following areas: Industrial plants to produce hydrogen by large-scale electrolysis, convert it into derivatives and export it (or its derivatives) by pipeline or distribute it (or its derivatives) locally; Construction, Construction supervision, Repair service, Installation service, Maintenance services in connection with the following areas: Industrial plants and infrastructures for the production, processing, electrolysis and conversion into derivatives, conveying, storage, transport and distribution by export pipeline or service station, distribution network installations for the transport of the following products: Hydrogen, derivatives and surplus electricity; Construction, Maintenance services, Repair, in connection with the following areas: Installations, systems and infrastructures for the production and storage as well as the export of renewable energies; Inspection, maintenance and repair services for offshore and subsea equipment, infrastructures and installations; Hydrogen and derivative refueling for vehicles; Ship maintenance and repair; Shipbuilding ; conversion of ships; shipbuilding services; provision of information on ship repair and maintenance; Machinery installation, maintenance and repair; construction, installation and maintenance of industrial chemical plants for the preparation of large-scale hydrogen chemicals by electrolysis.

Transport and storage of energy and fuels; parking and storage of marine vehicles, mooring; salvage, towing and salvage services; water and energy distribution; Information and advisory services in relation to the distribution of energy; Fuel bunkering services [storage]; Distribution of energy ; Storage of energy and fuels ; energy distribution services; gas supply [distribution]; hydrogen storage services; storage of hydrogen and derivatives in tanks; distribution of hydrogen and derivatives by export pipeline and filling station; transportation, storage, distribution and termination via aqueducts, pipelines, gas pipelines by land, sea, submarine of hydrogen and derivatives; information and advice concerning the aforementioned services.

Production of all forms of energy; processing and treatment of all materials for energy production; services for transforming natural elements (sun, water, wind, current) into energy; information and technical advice to third parties relating to energy production; rental of equipment and installations for energy production in all its forms and provision of related information; rental or operation of equipment for the treatment and transformation of purified seawater into hydrogen by electrolysis and conversion into derivatives, for energy production; production of electrical energy; Production of electrical power from renewable sources; Fuel processing ; processing of liquefied and solid gases and gases in gaseous form; processing of materials by electrolysis; leasing of equipment for energy production; production of hydrogen and derivatives from renewable sources; production of hydrogen and derivatives from renewable sources; Information and advice on the above services.

Engineering services relating to energy supply systems; energy research ; Engineering services in the field of energy technology ; advice on energy use; Design and development of regenerative energy generation systems ; technical consulting services for the electrolysis of purified seawater to produce hydrogen on a large scale and conversion into derivatives; development of systems for forecasting the production and management of energy and electricity from renewable sources; technological consulting services in the field of alternative and renewable energy production; audits of energy consumption, energy efficiency and energy optimization; technical diagnostics of energy consumption, energy efficiency and energy optimization; technical analysis of energy consumption data ; technical consulting services on energy consumption, energy conservation, energy efficiency, energy efficiency of industrial sites and energy optimization; technical research services concerning energy consumption, energy savings, energy efficiency, energy efficiency of industrial export production and service station sites and energy optimization; data recording concerning energy consumption of floating hydrogen production and conversion into derivatives; technical project studies for energy optimization ; technical diagnostic services for industrial installations for energy optimization purposes; auditing of thermal, calorific and refrigeration energy production and distribution facilities; environmental studies for energy production and distribution; technological studies for energy production and distribution; inspection and appraisal of electrical, gas, water and lighting facilities ; development of hydrogen and derivatives conversion infrastructures, electrolysis facilities and filling facilities for liquid and gaseous gases; Engineering services ; provision of technological information on green and ecological innovations; technology consulting services in the field of energy production and use; design and development of renewable energy generation systems; research, development and engineering services in the field of chemical preparation technologies, enzymes and catalysts; research, development and engineering services in the field of industrial plants; Design services in the field of naval shipbuilding ; Provision of technical consultancy services for the shipping sector; information and consultancy services concerning the above-mentioned services.