SDI has moved its main engineering offices to a new location in the heart of Research Triangle Park, NC. The new facilities provide approximately 27,000 square feet of mixed use space including office space, R&D and test laboratories, and a fully equipped production facility in a beautifully landscaped corporate park setting. The prime location at the intersection of Davis Drive and Hopson Road in the Keystone Business Park provides easy access to RDU International Airport, I-40, and I-540.