Allacquisitionexplorationoil-and-gaspetrol-chemicalrefiningshippingUpstream Exploration and Production exploration 4937Marine Support Services shipping 4896Offshore Engineering & Construction petrol-chemical 4504Pipeline Installation and Repair refining 4454Acquisition, Exploration and Development of Oil and Natural Gas acquisition 4584Subsea Inspection, Maintenance and Repair (I.M.R.) oil-and-gas 4643