Over the past 20 years, STIDD built its Submersible Company and flagship product, the Diver Propulsion Device (DPD), around t ... he simple idea that divers would prefer riding a vehicle instead of swimming. Today, STIDD focuses on another simple, but transformative goal: Design, Develop, and Integrate the most advanced Precision Navigation, Control and Automation Technology available into the DPD to make that ride easier, more effective, and in some cases. . .RIDERLESS! read more