Masson-Marine is a marine propulsion company who master, design, produce and 'package' the system. To respond to the demand of their clients, Masson-Marine have gone 'international' all across the globe. As a matter of fact, ships fitted with Masson-Marine propulsion systems are being built, and are working, all over the world. So, Masson-Marine S.A.S., based in Sens (France), is the main production site, where all of the production (from design to packing) is being done.