BizProspex - BizProspex offers CRM data cleaning solutions.
Blazent - Blazent is a cloud-based IT data integrity engine that aggregates, reconciles and consolidates IT data.
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
DeDupeD - DeDupeD is a productivity app that helps detect and manage duplicate records for not only Lead, Contact, Account, or Case but also for any other Dynamics 365 CRM entities
TowerData - demographic data on email addresses
Datactics - Datactics is a data quality and matching software.