Allacquisitionexplorationoil-and-gaspetrol-chemicalrefiningshippingUpstream Exploration and Production exploration 5550Marine Support Services shipping 5471Offshore Engineering & Construction petrol-chemical 5073Pipeline Installation and Repair refining 5108Acquisition, Exploration and Development of Oil and Natural Gas acquisition 5234Subsea Inspection, Maintenance and Repair (I.M.R.) oil-and-gas 5250