This paper presents a survey on the effects of organizational and individual factors causing conflict on employee performance of national Iranian drilling company & apos; s logistics management. It has been of descriptive type and carried out by using the random sampling method. The statistical population included all the employees of logistics management. Invariable t-test was used in this research for data analysis. The results showed that the average factors such as education, age, personal ethics, scarcity of resources, work dependence, organizational structure and organizational culture were significantly higher than the average value (3) and the average factors such as personality, evaluation structure and reward were significantly lower than the average value (3). According to the results of this survey, feeling dependence was number one priority for creating conflict followed by personal ethics, education, resources, organizational culture, age, organizational structure, evaluation and individual personality was the last item.