MMSI Email Format

IT Services and IT ConsultingMaryland, United States11-50 Employees

MMSI is an IT services and consulting firm based in Severna Park, Maryland, with a history spanning more than thirty years. It develops Membership Director™, a membership and accounting system designed for REALTOR® associations and MLSs that can be deployed on-site or in the cloud. The system integrates membership management with accounting in a single, configurable solution, enabling organizations to balance member services with financial oversight while adapting to changing needs.

The product targets REALTOR® associations, MLSs, and related boards or associations that require integrated data and streamlined administration. By unifying essential tools into one interface and supporting real-time data synchronization across vendors, it aims to simplify operations and improve decision-making. MMSI positions itself as a small to midsize IT services provider focused on this niche where membership management and financial tracking intersect.

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