BizProspex - BizProspex offers CRM data cleaning solutions.
Egnyte - Enterprise File Sharing
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
Segment - We make customer data simple.
TowerData - demographic data on email addresses
IBM InfoSphere Information Analyzer - IBM InfoSphere Information Analyzer can help you quickly and easily understand your data