SDSI is located in the Netherlands close to several famous yacht- and interior builders. Since 1997 we have provided many services to luxury shipyards, carpenters, interior designers, naval architects, brokers and yacht owners of both classic and modern sailing and motor yachts in the forty to hundred plus meter. Our twenty highly experienced engineers, who already work for a long time in the yachting industry, create high quality drawing work and all other kinds of assistance, related to the interior engineering process.