74.90.Z - Other professional, scientific and technical activities not elsewhere classified
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
30.11.Z - Building of civilian ships and floating structures
30.12.Z - Building of pleasure and sporting boats
33.15.Z - Repair and maintenance of civilian ships and boats
52.22.A - Support services for maritime transport
62.01.Z - Computer programming activities
71.12.Z - Engineering activities and related technical consultancy
72.19.Z - Other research and experimental development on natural sciences and engineering
77.34.Z - Rental and leasing of water transport equipment