SDI is a founding member of IPREX, one of the world’s largest public relations corporations. As the Washington DC based IPREX partner, SDI works with 70 leading firms in 20 major global markets across borders and cultures on issues, policies, strategies, media, marketing, and special events. Through our global alliance of agencies, we provide clients with access, market information, experience and targeted stakeholder outreach on an international, regional or local basis. IPREX, with over 1500 public relations professionals, serves over 800 clients in the Americas, Asia, Europe and Africa.