1. Aaradhya Enterprises
2. Amcor PLC
3. American Carton Company
4. Bell Incorporated
5. Belmark Inc.
6. Chaitanya Packaging Pvt. Ltd.
7. DS Smith PLC
8. Edelmann GmbH
9. Essentra PLC
10. Fortune Industries
11. Georgia-Pacific LLC by Koch Industries Inc.
12. Graphic Packaging Holding Company
13. Huhtam?ki Oyj
14. International Paper
15. KCL Limited
16. Mill Rock Capital
17. MM Packaging GmbH
18. Mondi PLC
19. Oji Holdings Corporation
20. Packman Packaging Private Limited
21. Pactiv Evergreen Inc.
22. Parksons Packaging Ltd.
23. Rengo Co. Ltd.
24. Seaboard Folding Box Company Inc.
25. Smurfit Kappa Group
26. Sonoco Products Company
27. Stora Enso Oyj
28. Trident Paper Box Industries
29. Unipak
30. WestRock Company