3rd Party Logistics

A freight forwarder organizes shipments, usually international ones, and often takes responsibility for the cargo under its own paperwork. Forwarders book space with ocean lines, airlines and trucking companies, prepare export documents and work with customs brokers at the border. A 3PL is a broader term. It can cover warehousing, inventory, fulfillment and domestic transportation, with or without any international work. Many large 3PLs run a forwarding division, and many forwarders offer warehousing, so the two overlap. A simple way to tell them apart is the starting point. A forwarder starts with moving cargo across borders, while a 3PL starts with running some part of a company's logistics on an ongoing basis.

A freight broker arranges individual shipments. It takes a load from a shipper, finds a licensed carrier with the right truck, agrees a rate and manages the move until delivery. A broker does not store goods or run inventory. A 3PL may do all of that brokerage work as one part of a wider service, alongside warehousing, order fulfillment and returns. Many 3PLs hold broker authority for the transportation side of their business. The practical difference is scope and commitment. Shippers often use a broker load by load, whenever they need a truck. They tend to sign with a 3PL for an ongoing program that covers more than freight.

A 4PL, or fourth party logistics provider, manages the logistics providers rather than the freight itself. It sits between a company and its 3PLs, carriers and warehouses. It designs the supply chain, chooses the providers and measures how they perform. Some people call it a lead logistics provider. A 4PL usually owns no trucks or warehouses. It works on long-term contracts and often uses its own planning and visibility software across every provider it oversees. Large manufacturers and retailers with complex supply chains across several regions are the typical users. A company with a few lanes or a single warehouse rarely needs one, because a 3PL or a broker can handle that work directly.

Large parcel carriers are carriers first. They own aircraft, trucks, sort hubs and delivery vans, and they move small packages through their own system. Most of the big ones also run logistics divisions that sell warehousing, fulfillment, freight brokerage and supply chain services to other companies. Those divisions work as 3PLs. So a major parcel carrier is both: an asset-heavy carrier for parcels, and a 3PL through its logistics arm. For a shipper, the useful question is which part of the company would handle the freight. A parcel network suits boxes that can travel through hubs. A pallet, a crate or a machine on a deadline usually needs a truck of its own.

A large online retailer that stores and ships goods for outside sellers is acting as a 3PL for those sellers. It receives their inventory into its warehouses, picks and packs each order, delivers it and handles returns. Some retailers have also built their own trucking, air and delivery fleets, so they act as carriers too. They are not usually called a 4PL, because a 4PL manages other logistics providers on a client's behalf rather than running the warehouses itself. For a seller, a retailer's fulfillment program is a 3PL tied to one sales channel. Businesses that sell through many channels often add an independent 3PL so their logistics are not tied to one platform.

The largest 3PLs in the United States fall into a few groups. Some are global freight forwarders with big domestic brokerage and contract logistics businesses. Some started as truckload brokers and grew into full 3PLs with managed transportation and warehousing. Others are the logistics arms of parcel carriers, ocean lines or trucking fleets. A last group focuses on contract warehousing and ecommerce fulfillment. Industry analysts publish yearly rankings by gross logistics revenue, and the same few names tend to sit near the top. Size tells you about scale and coverage. It tells you less about how a single urgent load is handled, which depends on who answers the phone and which truck is sent.

Many 3PLs can arrange expedited freight, but their systems are usually built for planned volume. Loads are consolidated, routed through terminals or matched to trucks already heading that way, which keeps costs down on regular freight. An urgent load works differently. It needs one truck sent straight to the pickup, a driver who goes directly to the delivery address and someone watching it the whole way. Some 3PLs keep an expedited desk for this. Others pass the load to a specialist. Expedited freight brokers such as HotShotTrucking.com focus on this kind of move, dispatching a dedicated hot shot, straight truck or van so the freight is not waiting on a schedule.

Becoming a 3PL starts with choosing which services to offer, such as freight brokerage, warehousing or fulfillment. For interstate freight, a broker or carrier needs a USDOT number and operating authority from the Federal Motor Carrier Safety Administration. Brokers also file a surety bond or trust fund and name process agents for each state. Carriers need their own insurance and equipment. Warehousing 3PLs need a facility, a warehouse management system and the staff to receive, store and ship goods. Most new providers also invest in a transportation management system, build relationships with carriers and start with a small group of customers in one industry or region before growing.