● Chevron Phillips Chemical Company ● Dynaflex Pipe Technologies ● Dynalab Corp. ● Exxon Mobil Corporation ● Formosa Plastics Corporation ● Hy-Pro Plastics Inc. ● INEOS AG ● LyondellBasell Industries N.V. ● Mitsui Chemicals Inc. ● Omni Plastic Manufacturing Ltd ● PetroChina Company Ltd. ● Prime Polymer Co. Ltd. ● Reliance Industries Ltd. ● SINOPEC Beijing Yanshan Company ● The Dow Chemical Company ● Other Prominent Players