Fourth Party Logistics (4PL) companies are an increasingly popular choice for businesses looking to outsource their logistics operations. 4PLs provide comprehensive, integrated supply chain solutions that include planning, sourcing, procurement, inventory management, transportation, warehousing, and customer service. 4PLs are a type of third-party logistics provider, but with an added layer of expertise and specialization. They are typically engaged to manage a company’s entire supply chain, from end-to-end, and are often referred to as “integrators” or “lead logistics providers.” 4PLs are responsible for the coordination and management of all activities related to the supply chain, including working with suppliers, carriers, and other service providers. By leveraging their expertise and knowledge of the industry, 4PLs can help companies reduce costs, improve service levels, and increase efficiency.