This research investigation is concerned with determining how well internal collaboration and external collaboration link through logistics performance to influence on marketing performance and competitive performance of the firm. With data collected from 104 general managers from 120 available palm oil companies in southern Thailand, findings indicate that marketing performance was affected by the influence of logistics performance and by the direct and indirect influence of internal collaboration. Competitive performance was affected by external collaboration. When taking into account the role of logistics performance as a mediator, it was found that logistics performance was affected only by internal collaboration and transmitted the effects to marketing performance.