Internal customers

Internal customers are individuals within the organization who receive the work that other individuals within the same organization do.

Definition

According to Managing Quality by Foster (6th edition),

Internal customers. Individuals within the organization who receive the work that other individuals within the same organization do.

According to Juran's Quality Handbook by Defeo (7th edition),

Internal customers. Customers inside the producing organization. Everyone inside the organization plays three roles: supplier, processor, and customer.