1. Amcor Limited
2. Billerud AB
3. Caps Cases Ltd.
4. Clearwater Paper Corporation
5. DS Smith PLC
6. Georgia-Pacific LLC by Koch Industries Inc.
7. Huhtam?ki Oyj
8. International Paper Company
9. Kapco Packaging
10. Mondi PLC
11. Orora Limited
12. SIG Group AG
13. Smurfit Kappa Group
14. STI - Gustav Stabernack GmbH
15. UFlex Limited