35 Years in the Business. The Marine Systems Engineers. Call us for sales, installations and repair of marine electronics, software, entertainment systems, refrigeration, air conditioning, watermakers and cabin heaters. With locations in Portsmouth, RI, and the British Virgin Islands, our expert staff is available for all your installation and repair needs. New boat packages designed and installed and used boat refits undertaken. Newport dockside service available. A Raymarine 'Premier' dealer. NMEA and ABYC certified technicians.