1. 3M Company
2. A.M.Flexipack Pvt Ltd.
3. Amcor PLC
4. Berry Global Group Inc.
5. Cellofoam North America Inc.
6. Dhwani Polyprints Pvt. Ltd.
7. Dow Chemical Company
8. DS Smith PLC
9. Grantur International Package Products (Shenzhen) Co. Ltd.
10. Guangdong Tengen Printing Co. Ltd.
11. Hughes Enterprises by Envoy Solutions Company
12. Impak Retail
13. Mondi Group
14. Orora Limited
15. Packaging Corporation of America
16. Packhelp S.A.
17. Packman Packaging Private Limited
18. Plus Packaging Inc.
19. Pregis LLC
20. Printpack Inc.
21. ProAmpac Holdings Inc.
22. Salazar Packaging
23. Sealed Air Corporation
24. Signet by Winson Group Pty Ltd.
25. Smurfit Kappa Group
26. Sonoco Products Company
27. Storopack Hans Reichenecker GmbH
28. Transcontinental Inc.
29. WH Packaging Co.Ltd.
30. Winpak Ltd.