Allacquisitionexplorationoil-and-gaspetrol-chemicalrefiningshippingUpstream Exploration and Production exploration 2719Marine Support Services shipping 2666Offshore Engineering & Construction petrol-chemical 2445Pipeline Installation and Repair refining 2353Acquisition, Exploration and Development of Oil and Natural Gas acquisition 2442Subsea Inspection, Maintenance and Repair (I.M.R.) oil-and-gas 2537