1. AG Poly Packs Private Limited
2. ALPLA works Alwin Lehner GmbH & Co KG
3. Altium Packaging
4. Amcor Limited
5. Ardagh Group S.A.
6. Ball Corporation
7. Berry Global Inc.
8. Consolidated Container Company
9. Crown Holdings Inc.
10. DS Smith Plc
11. Georgia-pacific LLC by Koch Industries Inc.
12. Graham Packaging Company
13. International Paper Company
14. Lacerta Group
LLC
15. Manjushree Technopack Limited
16. Mondi PLC
17. Paramount Global
18. Plastipak Holdings Inc.
19. Printpack Inc.
20. Sealed Air Corporation
21. Silgan Holdings Inc.
22. Sonoco Products Company
23. STERIMED
24. Tetra Pak
25. WestRock Company
26. Winpak Ltd.