Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
Drupe - Next generation contact manager and dialer.
NEWOLDSTAMP - Email signature generator
Simple Contacts - Contact lens prescriptions from home
Sigstr - Email signature marketing