i) demand risks - caused by unpredictable or misunderstood customer or end-customer demand
ii) supply risks - caused by any interruptions to the flow of product, whether raw material or parts, within your supply chain
iii) environmental risks - from outside the supply chain; usually related to economic, social, governmental, and climate factors, including the threat of terrorism
iv) business risks - caused by factors such as a supplier's financial or management stability, or purchase and sale of supplier companies
v) physical plant risks - caused by the condition of a supplier's physical facility and regulatory compliance.