삼양사 LG화학 효성 대림산업석유화학사업부 선경인더스트리 한국엔지니어링플라스틱㈜

제일모직 삼성토탈㈜ SKC 코오롱 도레이새한 ㈜새한

Geplastics Eastman Performance plastics Allied Signal Plastics Dupont BASF 3M Air Products & Chemicals Allied Signal Plastics Amoco AKZO NOBEL AKZO NOBEL (korea) Asahi Chemical Celanese Dow Chemical Company DSM Eastman Chemical Co. Exxon Hoechst Imperial Chemical Industries (ICI)

KANEMO KURARAY Mitsubishi Chemical Corporation Nippon Petrochemical Co., Ltd. Polyfine corporation Polymer Resources Ltd. Polyplastics Rohm and Haas Company Shell Chemicals Solvay Sumitomo Chemical Co., Ltd. TEIJIN Ticona Tokyo Chemical Industry (TCI) Toray Unitika Ltd W.R. Grace Bayer Material Science