Building, repair, installation, dismantling and maintenance services of apparatus and installations at offshore locations on and under water, ships and other vessels, dry docks and dry dock facilities, dockyards, wharfs, paneling, dams, piers, bridges, drainage systems, oil and gas producing facilities, floating offshore equipment, pipelines, steel constructions and other civil engineering constructions and industrial installations and machines; constructions of pilings on land and at sea; mining extraction; pumping and extraction of oil, gas and other energy products; well drilling and boring aimed at extracting energy products; rental of machinery and tools for the extraction of oil, gas and other energy products; construction planning and consultation; consultancy in the field of technologies and techniques for mining extraction of raw materials, related consultation and information in the field of all aforementioned services

Engineering; architectural design and consultation for construction purposes; design for others, of apparatus and installations for offshore locations on and under water, ships and other vessels, dry docks and dry dock facilities, dockyards, wharfs, paneling, dams, piers, bridges, drainage systems, oil and gas production facilities, floating offshore equipment, pipelines, steel constructions and other civil engineering constructions and industrial installations and machinery; scientific and industrial research in the field of construction, repair, maintenance, transport, storage, research, exploitation and extraction of oil, gas and other energy products; technical research in the field of construction, repair, maintenance, transport, storage, research, exploitation and extraction of oil, gas and other energy products; technical design for others in the offshore industry; technology supervision, research and inspection in the field of geological and oceanographic mining; exploration and research of natural gas and oil wells, bitumen, minerals and other energy products; consultancy in the field of technologies and techniques for exploration of raw materials; technical research and related consultation for companies and participants in the field of construction, repair, maintenance, transport, storage, research, exploitation and extraction of oil, gas and other energy products; design and development of computers and software; related consultation and information services in the field of all aforementioned services