Thunderhead Engineering Consultants, Inc. develops software, with particular expertise in building intuitive graphical interfaces for specialized engineering and graphics applications that have powerful physics models but are difficult to use. The engineers at Thunderhead Engineering understand modeling and simulation concepts, but also recognize the aesthetics and usability of a well-designed user interface. Both of these strengths are applied to our software development goals. Thunderhead Engineering is dedicated to providing powerful visualization and modeling capability to practicing engineers and technicians.