In this diagram, a supply chain diagram of a pharmaceutical company is presented in the form of a sequencing flow chart. The diagram explains how a drug is manufactured and supplied to the patient passing through a chain of people and organizations. It explains how a drug is supplied from the manufacturer to the wholesalers and distributors and, reaches hospitals, pharmacies, physicians and, finally the patient. There are three different color arrows explaining the involvement of payers like government and insurance companies and how the medicines are supplied passing through the chain. All the details are presented in a sequential and flow chart manner for better understanding. The diagram is color coded to understand the supply chain effectively.