| A. Schulman Inc. |
Lucobit AG |
| Adell Plastics, Inc. |
LyondellBasell Advanced Polyolefins USA, Inc. |
| AlphaGary |
LyondellBasell Industries |
| API SpA |
MCP Group |
| Arkema |
Mitsubishi Chemical Corporation |
| Blossom Corporation Limited |
Mitsui Chemicals America, Inc. |
| Borealis AG |
Nippon Zeon Co., LTD. |
| Canuck Compounders Inc. |
Noble Polymers |
| Carmel Olefins Ltd. |
Phillips Sumika Polypropylene Company |
| Cossa Polimeri S.r.l. |
Polimeri Europa |
| Crosspolimeri S.p.A. |
PolyOne Corporation |
| DuPont Packaging & Industrial Polymers |
Polyplastics Co., Ltd. |
| Eurocompound Polymers |
PREMIX OY |
| Fainplast Compounds S.r.l |
Ravago Manufacturing Americas, LLC |
| Ferro Corporation |
RheTech, Inc. |
| FKuR Kunststoff GmbH |
SABIC Innovative Plastics |
| Formulated Polymers Limited |
SABIC Innovative Plastics Asia Pacific |
| Hanwha Chemical |
SAMSUNG TOTAL PETROCHEMICALS Co., Ltd. |
| HMC Polymers |
SK Corporation |
| Honeywell |
Solvay Specialty Polymers |
| Huntsman Corporation |
Spartech Plastics |
| HYUNDAI EP Co., Ltd. |
Technovinyl Polymers India Ltd. |
| Japan Polyolefins Co., Ltd. (JPO) |
Teknor Apex Company |
| JJI Technologies, LLC |
The Dow Chemical Company |
| Lucent Polymers, Inc. |
Topas Advanced Polymers, Inc. |
