Lob - A simple API to integrate print & mail solutions into your applications.
AmazingMail - Business print-mail solution
Stannp - Stannp helps to create and send postal Direct Mail campaigns: letters or postcards.
Inkit - Direct Mail Software. Inkit is an inbound and outbound marketing platform that helps companies gain visitors, convert leads, and win sales.
PostGrid - Transform your Offline Communications. Use our fully-documented REST API to send personalized letters, checks, postcards and improve address accuracy.
adnymics - adnymics offers a data-driven customer retention solution with parcel inserts and direct mails. Increase repurchase rates with 1:1 individualized content at the right time along the customer journey - fully automated!