V12 Data - V12 Data offers rich data sets with verified addresses and emails for personalized marketing campaigns.
ShipStation - Seamless eCommerce shipping fulfillment software. Wherever you sell, however you ship, ShipStation can help. Auto order import, batch label print, & more!
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
Easyship - Easyship, the #1 global cloud-based shipping software, is a technology platform that helps eCommerce and crowdfunding merchants ship worldwide.
Google Audience Center - 3 votes and 6 comments so far on Reddit
FreightPOP - FreightPOP is a mobile and web application created to fill an underserved market of SMB shippers.