The objectives of this research are to study the direct influence on the competitive advantage
and pattern development of variables affecting the competitive advantage of the Thai oil
palm industry. This research employs a quantitative research method. The population for
the study consists of 150 oil palm industrial operators in Thailand. Questionnaires are used
in the data collection and the data are analyzed by using SEM. The research results reveal
that the Knowledge Management Process and Supply Chain Integration positively influence
the competitive advantage in the quality, delivery, and cost. The competitive advantage
receives a positive direct impact from the Knowledge Management Process and Supply
Chain Integration. The variation of competitive advantage can be explained as 84%. The
obtained results can be used for developing the industry to create economic growth and
sustainable competitive advantage.