Construction, repair, installation and maintenance services, including repair, installation and maintenance of apparatus and installations in relation to oil and gas transport, including pipelines, valves, actuators, gearboxes and steel constructions and other civil engineering constructions and industrial installations and machines; consultation, advisory and information services in the field of repair, installation and maintenance of apparatus and installations in relation to oil and gas transport and other civil engineering structures; hire of equipment, machines and machine parts for use in oil and gas transport and other civil engineering structures; and engineering services in the field construction and maintenance

Engineering services in the fields of design and planning; project management services; consultancy in the field of engineering; construction drafting; engineering drawing; industrial design services including the design of pipelines and related equipment and apparatus; engineering inspection; inspection and testing services; material testing; non-destructive testing including pressure testing, valve testing and leak detection; quality assurance, quality control; certification services; scientific and industrial research and technical studies; calibration services