Building construction, consigned construction, management, supervision and consulting information services; construction, installation, maintenance and repair of manufacturing plants and civil works projects; pipeline and underwater pipeline construction, maintenance and repair; installing construction site utilities; electrician services; cable laying; disassembly of machines; installation, maintenance and repair of telecommunication networks, communication appliances, computer hardware installations, machinery, and electrical appliances; energy equipment installation and repair in the fields of solar, thermal, thermoelectric, wind energy and power generation; rental of construction equipment; renovation and demolition of buildings and consulting therefore; cleaning building interior and exterior; environmental sanitary maintenance cleaning; installing water and electricity facilities; construction of power plants in the fields of hydro-electric, wave energy, solar, geothermal, and wind power; construction installation and maintenance of photovoltaic installations, solar panel power systems, wind turbines, wind power plants; dismantling power plants, nuclear power plants, and industrial installations; drilling deep oil and gas wells; installing leak prevention systems; plumbing; installing, operating and maintain heating appliances, industrial ovens, burners, and furnaces; cleaning and dismantling heating appliances, industrial ovens, and furnaces; installing and maintaining cooling and refrigerating appliances, industrial pumps and pipes; renting buildings and machines; exploiting oil fields and, natural gas; operating wind and solar plants; installing and repairing gasoline stations, electric vehicle recharging stations, gas hydrogen fueling stations, electric vehicle recharging stations and charging electric vehicles and vehicle batteries

production of energy; generation of electricity from renewable sources; generation of electricity from wind energy; production of renewable green energy; consultancy in the field of green energy generation; blacksmithing; blasting services; stripping finishes; decontamination of hazardous materials; recycling of radioactive waste; providing information relating to hazardous material decontamination; consultancy relating to hazardous material decontamination; treatment of industrial waste

architectural design; architectural design of energy power facilities; construction drafting; surveying [engineering]; consultancy on civil and structural engineering projects and engineering technologies; engineering services and research and development consultancy in the engineering fields of electrical power, gas production, electronic and electrical, mechanical engineering, wind energy engineering, solar energy engineering, renewable energy engineering, energy consumption auditing, and energy transitioning; manufacturing and facilities process digitalization; engineering in the fields of and for communications, industrial ovens, burners, furnances; optic fiber electrical engineering; computer software design; rental of computer software, hardware, and web servers; computer programming; processing of computer data; underwater exploration; software as a service [saas]; computer software and software design consulting; computer security consultancy; rental of data center facilities; platform as a service [paas]; computer system analysis; computer programming services for data processing; consultancy in the design and development of computer hardware; computer technology consultancy; information technology [IT] support services; server hosting; web site hosting; providing online non-downloadable computer software; provide service for temporary use of non-downloadable computer software; conducting technical project studies; technological research; designing of energy production infrastructures, manufacturing plants, manufacturing processes; testing services for energy production installations, manufacturing plants; quality control services; analysis for energy production installations; monitoring of computer systems to detect breakdowns; remote monitoring of computer system operations, manufacturing processes, energy production installations and operations systems to detect breakdowns or faults