America’s supply chain depends on long-haul trucking. According to the American Trucking Association, the trucking industry moves more than 72% of the nation’s freight by weight. From food and fuel to building materials and personal goods, commercial trucks are the backbone of day-to-day life across the country.
The largest trucking companies in the U.S. operate fleets in the tens of thousands, crisscrossing the interstate system from coast to coast. Many specialize in specific types of freight, such as refrigerated items, consumer goods, or hazardous materials. Others offer complex logistics services that combine warehousing, cross-docking, and shipping under a single contract.
Here’s a look at the largest U.S. trucking companies that keep the nation’s freight moving at scale.
For a free consultation with our New Mexico and Texas truck accident lawyers, please call (575) 222-1000 or reach us online today.
1. UPS Freight (now TForce Freight)
After selling its LTL (less-than-truckload) division to TFI International in 2021, UPS rebranded its freight operations as TForce Freight.
With more than 3,300 tractors, TForce Freight operates a massive network of terminals across nearly every state. It continues to handle heavy-volume commercial deliveries, especially for middle-mile and business-to-business shipping.
2. FedEx Freight—Memphis, TN
As the premier LTL operator under the FedEx brand, FedEx Freight handles regional and long-haul delivery to businesses across North America.
FedEx Freight operates over 29,000 tractors and employs more than 40,000 people, making it one of the largest trucking companies in the U.S. The company uses a service segmentation model (priority vs. economy) and advanced logistics technology to run its coast-to-coast network.
3. Knight-Swift Transportation—Phoenix, AZ
The 2017 merger between Knight Transportation and Swift Transportation created one of the largest trucking companies in the United States in terms of revenue and fleet size.
Knight-Swift operates over 27,000 tractors and approximately 90,000 trailers. In addition to truckload shipping, the company owns several logistics divisions offering brokerage, intermodal, and final-mile delivery.
4. JB Hunt Transport Services—Lowell, AR
Known for its bright yellow containers, JB Hunt has built a robust multimodal network that includes over-the-road trucking, dedicated contract services, and rail partnerships through BNSF.
JB Hunt commands more than 13,000 company-owned trucks and 145,000 trailers and containers. Large contracts in the retail and manufacturing sectors drive a high volume of repeat freight business each year.
5. Schneider National—Green Bay, WI
Schneider National is another top-tier transportation and logistics company operating in North America. With over 12,000 trucks and nearly 55,000 trailers, Schneider handles truckload, bulk, intermodal, and cross-border shipping.
The company also offers supply chain management solutions for large corporations, making it a leading player in contract logistics.
6. XPO (formerly XPO Logistics)—Greenwich, CT
XPO focuses on less-than-truckload freight and operates hundreds of terminals throughout the U.S. While it spun off its contract logistics division in 2021, its LTL business remains one of the top three in the nation by revenue.
XPO delivers more than 13 million shipments annually and has invested in proprietary digital freight management tools to streamline shipping.
7. Landstar System—Jacksonville, FL
As a non-asset-based trucking company, Landstar uses more than 10,000 independent owner-operators and approved third-party carriers. The company mainly handles specialty and expedited freight, making it a go-to choice for high-risk or time-sensitive deliveries.
Its unique model allows Landstar to scale as needed without running its own company-owned fleet.
Honorable Mentions: Other Major U.S. Trucking Fleets
Several large-scale operators round out the field, each with growing fleets and expanding service areas:
- CRST—Cedar Rapids, IA;
- Prime Inc.—Springfield, MO;
- Old Dominion Freight Line—Thomasville, NC; and
- Estes Express Lines—Richmond, VA.
Although none earn the title of largest trucking company in the United States, these carriers contribute to the nationwide infrastructure that supports industries ranging from retail and agriculture to automotive and aerospace.
Largest U.S. Trucking Companies: What You Should Know
Fleets of this size carry both volume and risk. In the U.S., tractor-trailers can legally weigh up to 80,000 pounds, which means crashes involving these giants often result in serious injuries.
According to the Federal Motor Carrier Safety Administration, over 160,000 people were injured in crashes involving large trucks in the U.S. in 2022 alone. If you’re in an accident with a commercial vehicle, knowing who operates the truck—and how their company handles safety, maintenance, and oversight—can shape the claims process entirely.
Speak with a Truck Accident Lawyer in Texas or New Mexico
If you or someone close to you has been hurt in a commercial truck collision, the team at Tawney, Acosta & Chaparro P.C. is ready to help. Our attorneys have years of experience pursuing cases against regional operators and the largest trucking companies in the U.S.
Call (575) 222-1000 today or reach out online to schedule your free consultation with a truck accident lawyer. We represent crash victims involved in incidents on highways, cities, and rural roads in New Mexico and Texas, helping them take the right legal steps when they need them most.
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Daisy Chaparro
Daisy Chaparro was born and raised in El Paso, Texas. A graduate from El Dorado High School in 2008 and obtained a Bachelor of Arts in Political Science with a minor in Philosophy from St. Mary’s University in 2012. Daisy then obtained her Juris Doctorate (magna cum laude) from Texas Tech University School of Law in 2015.
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