- DowDuPont
- Kolon BASF innoPOM Inc.
- China National Bluestar (Group) Co. Ltd
- Asahi Kasei Corporation
- Korea Engineering Plastics Co. Ltd
- Mitsubishi Engineering-Plastics Corporation
- Polyplastics Co. Ltd
- Celanese Corporation
- RTP Company
- Polyone Corporation
- SABIC
- Techmer PM
- Westlake Plastics Company
- ALBIS PLASTIC GmbH