Systems and methods which provide for intelligent and/or optimized use of shipping services through facilitating consolidation of shipped items with respect to one or more leg of shipments are described. Embodiments provide a shipping consolidation management system operable to analyze various shipping parameters and identify situations in which consolidation of shipped items with respect to one or more legs of a shipment may be desired. Shipping consolidation management systems may provide operation to identify situations appropriate for forming consolidated shipments associated with a single shipper and/or a plurality of shippers. A shipping consolidation management system of embodiments operates to print consolidated shipment documentation for use with respect to the consolidated shipment. Embodiments may utilize various different shipping service providers and/or shipping services with respect to legs of shipments having a consolidated shipment, such as may include traditional shipping service providers and/or service providers not traditionally considered as shipping service providers.