

Asahi Glass,Japan
Ashland Chemicals, USA
Basf-Dsm Resins, Italy
Dow Chemicals, USA
George Fisher, Germany
Harvel Plastics Inc, USA
Hoechst AG, Germany
Safi, Italy
Saint Gobain Vetrotex
Simona AG, Germany
Spears
Symalit AG, Switzerland
Vantico Polymers
Vycom, USA