Knowledge sharing is one of the important and also challenging parts in the success of KM implementation. The objective of this paper is to find out knowledge sharing barriers in the petrochemical companies in a Middle East country. Three main categories are found to have an impact on knowledge sharing in the companies. https://www.bekindtopets.com/flash-offer-Freetress-Fullcap-Drawstring-Wig-CRETA-GIRL-clearance/