Advanced Solutions International (ASI) is the largest, privately-owned global provider of web-based software for member and donor-based non-profits and has served nearly 3000 customers and millions of users worldwide since 1991. ASI is the developer of iMIS, an upgradeable software solution for managing associations, membership, non-profits, and fundraising. iMIS 15, the latest evolution of iMIS, leverages Microsoft's .NET development platform to provide a flexible and open web-based solution.