?- Amcor plc
- Anchor Packaging Inc.
- Berry Global Inc.
- Brentwood Industries Inc.
- D&W Fine Pack.
- Dart Container Corporation
- DISPLAY PACK.
- Fabri-Kal
- Genpak
LLC
- Greiner Packaging
- Huhtamaki Global
- Pactiv LLC
- Penda
- Placon.
- Sabert Corporation
- SILGAN HOLDINGS INC.
- Silgan Plastics.
- Sonoco Products Company
- Spencer Industries Inc.
- WINPAK LTD.