1. Alpack Inc.
2. Alpha Group
3. Amcor PLC
4. BERICAP GmbH & Co. KG
5. Berry Global Inc.
6. Crown Holdings Inc.
7. Gerresheimer AG
8. Graham Packaging Company Inc.
9. GTX Hanex Plastic Sp. Z O.O.
10. Ontario Plastic Container Producers Ltd.
11. Plastipak Holdings Inc.
12. PRETIUM PACKAGING
13. Resilux NV
14. Silgan Holdings Inc.
15. WestRock Company