- WestRock Company
- Bell Incorporated
- Graphic Packaging International LLC
- Mayr-Melnhof Karton AG
- Smurfit Kappa Group PLC
- Seaboard Folding Box Company Inc.
- American Carton Company
- Coburn Carton Solutions
- Thoro Packaging
- All Packaging Company
- Quad Graphics Inc. (Quad Packaging)