Started in the 1970s, S&OP has evolved along the way and now becomes a norm for business success. With the development of over 3 decades and proven benefits, S&OP has gained great popularity amongst the business world. 92% of Fortune 500 companies and big businesses have now implemented S&OP. More executives across different sectors want to deploy S&OP process because of the economical benefits derived from the successful implementation, including better revenue and working capital. From the demand side, organizations could expect higher forecast accuracy while the supply side would be able to reduce cost and reach higher service levels.