Boulogne-sur-Mer, is the premier fishing port of France and one of the most important European centres for the transformation and commercialisation of seafood products. 150 companies prepare fish that has been deep frozen, frozen, salted, dried and smoked for canning or ready-cooked dishes. A fleet of 195 fishing vessels are moored in Boulogne-sur-Mer harbour, ranging from the large trawler equipped with deep freeze facilities to the small fishing boat.