There are quite a number of departmentalization approaches that a company can use in segmenting the work in their organization. Some of the commonly known ones include functional, process, product, geographic, customer, combined, time, and number.
In the case of Unicorn Sports Inc., the approach that the company uses are called a customer departmentalization. In companies that use customer-type departmentalization, departments are organized by the type or groups of customers that need to be handled by them.