Allacquisitionexplorationoil-and-gaspetrol-chemicalrefiningshippingUpstream Exploration and Production exploration 7154Marine Support Services shipping 6962Offshore Engineering & Construction petrol-chemical 6488Pipeline Installation and Repair refining 6611Acquisition, Exploration and Development of Oil and Natural Gas acquisition 6703Subsea Inspection, Maintenance and Repair (I.M.R.) oil-and-gas 6730
