Metal mooring buoys for drilling ships or oil tankers, portable risers made of steel to transport oil and gas from subsea well to oil platform; flexible composite metal pipes and branching tubes of metal for pipelines composed primarily of steel for transportation and transfer of hydraulic fluids and petroleum and electric power and electric signals

Machinery, apparatus, equipment and parts therefor used in the production, refining, transport and storage of petroleum products, namely, oil well pumping machines, well drilling machines, drilling machines and parts therefor, boring machines, core drilling bits, oil separators, electric pumps, centrifugal pumps, multiphase pumps, pump control valves, wellheads, subsea air compressors, subsea gas compressors; machinery, apparatus, equipment and parts therefor used in the pulp and papermaking industry, namely pulp refining machines, pulping machines, oxygen delignifiers, bleaching machines, recausticising machines; motors and engines except for land vehicles

Ships, drilling ships, namely ocean going vessels equipped with well drilling machines and oil well pumping machines, fast boats, sea-going vessels, and structural parts and fittings therefor for use in equipping, building, maintaining and fitting out sea-going vessels, ships and other fixed and floating vessels for the storage and transportation of gas

Building construction; repair of buildings, namely repair services relating to offshore oil and gas production plants and onshore industrial facilities including plants for the processing of waste water and the processing and manufacturing of nuclear materials, pharmaceuticals, metals, polymers and chemicals, oil refining and onshore oil and gas processing; building construction of pulp and paper plants and of chemical recovery, pollution control and energy generating energy plants for use in the chemical, pulp and paper industries; building construction of power plants, repair of buildings, namely, power plants

Scientific and industrial research; engineering; computer programming for others; design, updating and maintenance of computer programs for others; technical consultancy in the fields of automated drilling, fixed and floated concrete platform/marine structure technology, downhole technology, reservoir technology, subsea technology, fixed and floating oil and gas platform technology, including hulls and jackets, riser systems, the processing, pumping, storage and transportation of oil and gas, petrochemical and biochemical process technology, pharmaceutical technology, power/recovery boilers, nuclear waste and pumping technology, shipbuilding, instrumentations, processing and ferrous and non-ferrous metals/ores