37 Underwater construction services; Underwater construction, installation and repair; Inspection services in the course of underwater construction projects; Consulting services in the field of underwater construction and repair; Cable laying; Laying and burial of underwater cables; Repair and maintenance services for underwater cables; Consultancy services relating to cable laying and burial; Installation, maintenance and repair of windmills and wind turbines; Consultancy services relating to the installation, maintenance and repair of windmills and wind turbines; Consulting services relating to the installation of process and industrial plants in the oil and gas industry; Underwater repair services of offshore energy production facilities in relation to oil, gas, and power sectors; Maintenance planning, reliability, optimization and management services, namely, in relation to oil, gas, and power sectors and offshore energy production facilities; Consulting services relating to the installation of process and telecommunication subsea cables; Underwater repair services of subsea telecommunication cables; Maintenance planning, reliability, optimization and management services regarding subsea telecommunications networks