This document discusses outsourcing logistics. It defines outsourced logistics and third-party logistics as using an external provider to handle supply chain functions like shipping, storing, packing and delivering goods. Third-party logistics providers specialize in integrating operations, warehousing, transportation services, cross-docking, inventory management, packaging and freight forwarding. Fourth-party logistics maintains a single point of contact by assessing, designing, building, running and measuring integrated supply chain solutions. The document compares third-party and fourth-party logistics and outlines six distribution network designs.