RTI International is a nonprofit research organization based in Research Triangle Park, North Carolina. The organization was founded in 1958 as the Research Triangle Institute. RTI International provides research and development services to government agencies, businesses, and other organizations. The organization's areas of expertise include health and pharmaceuticals, education and training, energy and the environment, and social and economic development. RTI International has worked with clients such as the National Institutes of Health, the U.S. Department of Energy, and the World Bank. The organization has offices in the United States and around the world.