Key players in the corrugated mailers market include Smurfit Kappa Group plc, Pregis LLC, Mondi plc, DS Smith plc, Box Market, WestRock Company, International Paper Company, GWP Group, Accurate Box Company, Inc., VSL Packaging Company USA, PakFactory, Shanghai DE Printed Box, Northwest Paper Box, U-Pack, Astron Paper & Board Mill, Eagle Paper International Inc, International Paper, KapStone Paper & Packaging Corporation, and Georgia-Pacific LLC.