1. Alpha Group
2. ALPLA Group
3. Amcor Plc
4. APEX Plastics
5. Apex Plastics by PCE Inc.
6. Berry Global Group Inc.
7. Comar LLC
8. Constantia Flexibles
9. Container Corporation of Canada
10. Gemini Group Inc.
11. Gerresheimer AG
12. Graham Packaging Co. LP
13. Greiner Packaging International GmbH
14. Inpress Plastics Ltd.
15. North American Plastics
Ltd.
16. Ontario Plastic Container Producers Ltd.
17. Plastipak Holdings Inc.
18. R&D Molders by Lomont Molding LLC
19. Resilux NV
20. Sidel Group
21. Silgan Holdings Inc.
22. Sonoco Products Company
23. The Dow Chemical Company