All stages involved, directly or indirectly, in fulfilling a customer request
Includes manufacturers, suppliers, transporters, warehouses, retailers, and customers
Within each company, the supply chain includes all functions involved in fulfilling a customer request (product development, marketing, operations, distribution, finance, customer service)
Customer is an integral part of the supply chain
Includes movement of products from suppliers to manufacturers to distributors, but also includes movement of information, funds, and products in both directions
Probably more accurate to use the term “supply network” or “supply web”