Lob - A simple API to integrate print & mail solutions into your applications.
Direct Response Media Group - Direct Response Media Group offers direct mail marketing services.
Click2Mail - Mail outsourcing on-demand.
Asend Direct - Ascend Direct offers performance-driven direct mail programs.
Sendoso - Sendoso’s B2B engagement platform helps companies accelerate sales and retain customers with gifts and rewards.
AmazingMail - Business print-mail solution