- IAR Systems is the world's leading provider of software tools for embedded systems that enable large and small companies to develop premium products based on 8-, 16-, and 32-bit microcontrollers, mainly in the areas of industrial automation, medical devices, consumer electronics and automotive products. IAR Systems has an extensive network of partners and cooperates with the world’s leading semiconductor vendors. Established in 1983, IAR Systems is a part of Intoi, formerly Nocom, since 2005.