BizProspex - BizProspex offers CRM data cleaning solutions.
SAS Data Quality - SAS Data Quality gives you a single interface to manage the entire data quality life cycle: profiling, standardizing, matching and monitoring.
RingLead - RingLead offers a complete end-to-end suite of products to clean, protect, and enhance company and contact information.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
TowerData - demographic data on email addresses
Oceanos - Oceanos is a contact data management solution.