The Breton companies that will be present at the Offshore Energy Exhibition & Conference include Bretagne Ocean Power , a collective dynamic initiated by the Brittany Region to accelerate the development of a regional marine renewable offshore sector; Quiet Oceans a company specialising in underwater noise analysis that has already worked on several high-profile projects including St-Nazaire and Hollandse Kust Zuid; Ship as a service , a one-stop-shop of Maritime services, consultancy and technical assistance, and project management; Piriou , the shipyard that has supplied Crew Transfer Vessels (CTVs) for offshore wind farms for British, Dutch, and German shipowners operating in the North Sea and Taiwan, and is also developing CTVs with hybrid electric and hydrogen propulsion; Gisman , a maritime buoyage specialist that designs and supplies plastic buoys and navigation lights and offers personalised support during the design, installation, and operational maintenance phases of the equipment; and Navantia , a manufacturer of electrical substations and offshore wind turbine foundations, and a pioneer in the construction of floating structures.