1. Amcor Limited
2. Berry Global Inc.
3. Bomarko Inc.
4. CAMAC HOLDING B.V.
5. Constantia Flexibles International GmbH
6. Crown Holdings Inc.
7. DS smith plc
8. Ducaju NV
9. Huhtam?ki Oyj
10. International Paper
11. MOD-PAC Corp.
12. Mondi plc
13. Printpack Inc.
14. Schur International A/S
15. Sealed Air Corporation
16. Smurfit Kappa Group
17. Sonoco Products Company
18. Stanpac Inc.
19. Tomric Syatem Inc.
20. Westrock Company