Inkit - Direct Mail Software. Inkit is an inbound and outbound marketing platform that helps companies gain visitors, convert leads, and win sales.
PebblePost - PebblePost invented Programmatic Direct Mail® to transform real-time online activity into personalized, dynamically rendered direct mail.
Lob - A simple API to integrate print & mail solutions into your applications.
Asend Direct - Ascend Direct offers performance-driven direct mail programs.
Direct Response Media Group - Direct Response Media Group offers direct mail marketing services.
Stannp - Stannp helps to create and send postal Direct Mail campaigns: letters or postcards.