US Transportation and Warehousing Sector NAICS 48
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Industry Summary
The 237,525 transportation and warehousing establishments in the US provide the transport of commodities, goods, cargo, and passengers by land, sea, or air as well as temporary and long-term storage for goods.
Variable Fuel Costs
Fuel is a major expense, and the cost can vary significantly based on global market conditions.
Supply Chain Interdependence
The transportation and warehouse sectors are integral parts of the supply chain so the sectors are dependent on the effectiveness of the other links, which include suppliers, manufacturers, wholesalers, importers, exporters, e-commerce, and distributors that may be located anywhere in the world.
Recent Developments
Nov 13, 2025 - US Inland Waterway Infrastructure Gets Poor Grade
- America’s inland‑waterways infrastructure received a C- grade in the 2025 American Society of Civil Engineers (ASCE) Report Card, an improvement from the D+ it earned in 2021. The network of 12,000 miles of inland navigation channels and 11,000 miles of intracoastal waterways plays a critical role in moving roughly $158 billion of goods each year. Despite its importance, the system faces significant challenges. Many locks and dams are well past their lifespan, with 80% of structures aging beyond their expected service periods, creating maintenance and reliability issues. The ASCE says repair and upgrade backlogs have reached $7.5 billion, while droughts and reduced water levels further strain operations. Although federal funding has increased in recent years, the pace of project delivery remains slow, often taking decades instead of years. Cost overruns and insufficient ongoing maintenance continue to limit the inland system’s efficiency, posing risks to commercial shipping.
- The trucking market slid back in Q3 as the brief spring rebound reversed, leaving carriers squeezed by weak volumes and shifting capacity, according to US Bank data. National shipment volumes fell 10.7% year-over-year, and the US Bank Shipments Index dropped 2.9% sequentially, signaling the market’s renewed contraction. Major carriers showed mixed but troubling results: Old Dominion’s LTL tonnage per day fell about 9%, TFI International’s tonnage declined 7.4%, and FedEx Freight saw average daily freight pounds slide roughly 12%. XPO offset a 6.1% tonnage drop with a 5.7% increase in LTL revenue per hundredweight, but overall demand remains soft. Shipper spend rose 2% sequentially as fleets exit capacity and fuel surcharges bite. With manufacturing contracting, truckload and LTL volumes look likely to stay under pressure into 2025 unless demand rebounds.
- Public transit ridership in the US is rebounding slowly but remains below pre-pandemic levels (with overall use at about 85% of 2019 volumes) according to the American Public Transit Association. The recovery varies by region, but nationally, shifting work patterns and reduced commuter demand have limited progress. Many agencies are still coping with budget gaps and deferred maintenance, forcing them to prioritize efficiency over expansion. This slow rebound has ripple effects for rail equipment wholesalers and suppliers, who depend on sustained transit investment to drive orders for rolling stock, signaling systems, and maintenance parts. While federal infrastructure funding offers some support, procurement cycles remain uncertain as agencies delay capital spending until ridership and fare revenue stabilize. As a result, the market outlook for rail equipment suppliers remains mixed - stronger than during the pandemic but not yet buoyed by a full return to pre-2020 transit demand.
- Amazon is accelerating automation across its warehouse network, aiming to replace or avoid hiring more than 500,000 US workers through robotics over the next few years, according to internal documents viewed by The New York Times. Amazon’s goal is to automate up to 75% of its operations, potentially eliminating the need for 160,000 new hires by 2027 and saving about 30 cents per item processed. The company’s US workforce has tripled since 2018 to nearly 1.2 million, but executives hope automation will allow future growth in sales - projected to double by 2033 - without proportional staffing increases. The shift could reshape the warehousing industry, making roles more technical but far fewer. Experts warn Amazon’s strategy could transform it from a job creator into a job reducer, influencing other large employers like Walmart and UPS. Amazon maintains that automation will ultimately spur new types of employment and community investment.
Industry Revenue
US Transportation and Warehousing Sector
Industry Structure
Industry size & Structure
The transportation and warehousing sector is comprised of 237,525 firms that employ 6.1 million workers and generate $1.4 trillion in annual revenue, according to government sources.
- The transportation and warehousing sector represents 3.3% of the nation's Gross Domestic Product (GDP) and employs 4% of the country's workers.
- The sector is concentrated at the top with the 20 largest firms representing 34% of revenue, but it is fragmented at the bottom.
- In addition to employer establishments, the transportation and warehousing sector has about 4 million owner-operated establishments with no employees. Subsectors with the highest numbers of nonemployer establishments are transit and ground passenger transportation (52%); truck transportation (27%); couriers and messengers (14%); and support activities for transportation (6%). The owners of nonemployer establishments typically perform the work and may outsource support functions like marketing and accounting.
- The transportation and warehousing sector gained about 12,000 firms in 2022, which equals a growth rate of about 6% of existing firms, according to the US Census.
- Employment in transportation and warehousing occupations is projected to grow by 6.5% between 2021 and 2031, slightly above the 5.3% projected growth for all occupations in that period
Industry Forecast
Industry Forecast
US Transportation and Warehousing Sector Industry Growth
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