This study is conducted to show the relationship between the techniques used in Inventory Management and the Supply Chain Management. Inventory management is a train fundamentally about indicating arrangement of supplied merchandise (Mwangi, 2013).  There is a need to examine the implementation of effective inventory management system, its impact on the supply chain management of a manufacturing company and how it plays a role on the performance levels of the organization. The study was conducted at a manufacturing company, which will be referred as Company X. This research paper followed a casual design approach, and mixed methodology technique further explored the findings from the literature review and the extent of application in practice. A non-random sampling technique was used, containing 34 employees in total. Questionnaire was developed and distributed amongst all 34 employees from supply chain, inventory control and manufacturing line. The study conducted has evidently shown that Inventory Management and Supply Chain have an impact on the performance of the organization. It is then recommended that management ensures that the two department have and maintain a good working relationship.