High Quality Content by WIKIPEDIA articles! Courion Corporation, headquartered in Westborough, Massachusetts, USA, is a United States-based software company that develops, manufactures, licenses, and supports a range of Access Assurance software products for computer networks. Courion`s software products are currently being used by over 9 million users worldwide. According to analysts Gartner and Burton Group, Courion is a recognized leader in identity and access management.