Systems and methods are provided for processing a product order which is directed from a customer to a first supplier. In one implementation, a computer-implemented method is provided that includes receiving a product order from a customer. Based on the received product order, the method determines products to be procured by a supplier that is external with respect to the first supplier. The method further determines at least one external supplier which is able to provide the products and transmits a purchase order for the available products to the external supplier.