Data Processing Iran Company (DPI) (Persian: دادهپردازی ایران, Dadheperdazi-ye Iran) is a computer, technology and IT Consulting corporation headquartered in Tehran, Iran. DPI is currently the largest technology provider in Iran DPI manufactures and sells computer hardware and software (with a focus on the latter), and offers infrastructure services, hosting services, and consulting services in areas ranging from mainframe computers to nanotechnology.