1. Amcor Limited
2. Ardagh Group S.A.
3. Ball Corporation
4. BASF SE
5. Berry Global Inc.
6. Coveris Holding S.A.
7. DS Smith PLC by Liquibox
8. Georgia-Pacific LLC by Koch Industries
9. International Paper Inc.
10. Mondi Group PLC
11. Packaging Corporation of America
12. Pactiv LLC by Reynolds Group Holdings Limited
13. Smurfit Kappa Group PLC
14. Ultimate Flexipack Limited
15. WestRock Company