Pipes not of metal; pipelines not of metal; pipeline bundles not of metal; coated pipelines not of metal; lined pipelines not of metal; non-metallic pipes and pipelines incorporating heating elements; connectors, linings, coatings and sleeves for pipes, none being of metal; parts and fittings for all the aforesaid goods.

Building, construction and demolition services; renovation of apparatus and equipment for the extraction, conveyance, storage, refining and processing of oil and gas, offshore and subsea structures, drilling rigs, fixed platforms, floating platforms, pipelines, oil and gas production apparatus, umbilical's, risers, flow lines and energy generation equipment and installation; offshore and subsea building, construction, installation, demolition, renovation, commissioning and decommissioning services; pipeline laying services; marine lifting services; lowering of pipelines, drilling rigs, oil and gas exploration and production apparatus and equipment; fabrication, construction, assembly, welding, coating and lining of pipelines; spoolbase services; inspection, construction, installation, testing, commissioning, decommissioning, maintenance, refurbishment, modification, cleaning, servicing and repair services relating to apparatus and equipment for the extraction, conveyance, storage, refining and processing of oil and gas, offshore and subsea structures, drilling rigs, fixed platforms, floating platforms, pipelines, oil and gas production apparatus, umbilicals, risers, flowlines and energy generation equipment and installations; seabed excavation and dredging services; oil and gas pumping; construction management and construction supervision services; rental, hiring and leasing of construction tools and equipment; rental, hiring and leasing of tools, machines and apparatus for the extraction, conveyance, storage, refining and processing of oil and gas; servicing of watercraft, ships, submersible vehicles, autonomous underwater vehicles, remotely operated vehicles and diving equipment; information, advisory and consultancy services relating to all the aforesaid

Rental and leasing of watercraft; rental and leasing of watercraft for surveying, construction, inspection, maintenance, repair, pipe laying, cable laying, lifting, lowering, transportation, diving, accommodation and trenching; piloting of watercraft, ships, autonomous underwater vehicles, remotely operated vehicles and remotely operated robots; transportation services; transportation of offshore and subsea structures, equipment and apparatus, including drilling rigs, fixed platforms, floating platforms, pipelines, submersible vehicles, oil and gas exploration and production apparatus and instruments, as well as energy generation and distribution equipment and installations; information, advisory and consultancy services relating to all the aforesaid.

Welding and coating of pipelines.

Engineering services; engineering design and project management services; engineering testing services; engineering services relating to offshore and subsea structures, equipment and apparatus, pipelines and the exploration, extraction, processing, storage and conveyancing of oil and gas; offshore and subsea engineering services; engineering feasibility studies; engineering, scientific, technological, research and design services relating to energy generation and supply services; scientific, technological, research and design services relating to the extraction, conveyance, storage, refining and processing of oil and gas, as well as subsea installations; surveying services; conducting engineering surveys; oil field surveying and inspection; monitoring of performance and condition of off shore and subsea installations; geophysical and geological surveys services; computer simulation services in relation to the placement of subsea infrastructures, pipelines and oil and gas extraction equipment; underwater exploration; measurement services; geological and oil prospecting; provision of engineering reports; construction design; scientific, engineering and environmental research and development services; diving and underwater engineering services; information, advisory and consultancy services relating to all the aforesaid.