Accompany - Accompany platform integrates with email, contacts, social feeds and more to keep you informed on your professional connections.
BizProspex - BizProspex offers CRM data cleaning solutions.
Cloze - Smarter Relationship Management
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
Introhive - CRMs are only as accurate as the data they contain. Promises of success and ease of use are left incomplete due to inaccurate data and the time required to manually input records.
TowerData - demographic data on email addresses