Cakemail - Email marketing and transactional emails that deliver. Try it for FREE!
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Hatchbuck - SMB sales and marketing software
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI
Salesfusion - Salesfusion provides an easy to use marketing automation platform that allows sales and marketing teams to be successful.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.