Salesforce Data.com - Data.com provides company profiles and contact information across millions of businesses worldwide.
Evercontact - Your contacts always up to date and automatically with Evercontact.
FullContact - Put the power of full contact information into your web or mobile apps.
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
HookFeed - Customer Analytics in One Click.
CRM-gx - Contact Management