J.B. Hunt Transport Services, Inc. provides surface transportation, delivery, and logistic services in the United States. It operates through five segments: Intermodal (JBI), Dedicated Contract Services (DCS), Integrated Capacity Solutions (ICS), Final Mile Services (FMS), and Truckload (JBT). The JBI segment offers intermodal freight solutions. It operates 118,171 pieces of company-owned trailing equipment; owns and maintains its chassis fleet of 100,825 units; and manages a fleet of 5,944 company-owned tractors, 436 independent contractor trucks, and 7,567 company drivers. The DCS segment designs, develops, and executes supply chain solutions that support various transportation networks. As of December 31, 2023, it operated 12,574 company-owned trucks, 674 customer-owned trucks, and 4 contractor trucks. The company also operates 27,194 owned pieces of trailing equipment and 5,406 customer-owned trailers. The ICS segment provides freight brokerage and transportation logistics solutions; flatbed, refrigerated, expedited, and less-than-truckload, as well as dry-van and intermodal solutions; online multimodal marketplace; and logistics management for customers to outsource their transportation functions. The FMS segment offers delivery services through 1,166 company-owned trucks, 225 customer-owned trucks, and 20 independent contractor trucks; and 1,212 owned pieces of trailing equipment and 102 customer-owned trailers. The JBT segment provides dry-van freight services by utilizing tractors and trailers operating over roads and highways through 27 company-owned tractors and 13,561 company-owned trailers. It also transports or arranges for the transportation of freight, such as general merchandise, specialty consumer items, appliances, forest and paper products, food and beverages, building materials, soaps and cosmetics, automotive parts, agricultural products, electronics, and chemicals. The company was incorporated in 1961 and is headquartered in Lowell, Arkansas.

Knight-Swift Transportation Holdings Inc., together with its subsidiaries, provides freight transportation services in the United States and Mexico. The company operates through four segments: Truckload, Less-than-truckload (LTL), Logistics, and Intermodal. The Truckload segment provides transportation services, which include irregular route and dedicated, refrigerated, expedited, flatbed, and cross-border operations. This segment operated an average of 20,948 tractors, which comprised 18,821 company tractors and 2,127 independent contractor tractors, as well as 87,865 trailers. The LTL segment provides regional LTL transportation services through a network of approximately 120 service centers; and offers national coverage through partner carrier outside the network. This segment operated an average of 3,201 tractors and 8,482 trailers. The Logistic segment offers brokerage and other freight management services through third-party transportation providers and equipment. The Intermodal segment offers transportation services, including freight through third-party intermodal rail services on trailing equipment, such as containers and trailers on flat cars; and drayage services. This segment operated an average of 639 tractors and 12,730 intermodal containers. The company also provides repair and maintenance shop, equipment leasing, warranty, and insurance services; and warehousing and driving academy services, as well as manufactures trailer parts. It serves retail, food and beverage, consumer and paper products, transportation and logistics, housing, and building, automotive, and manufacturing industries. Knight-Swift Transportation Holdings Inc. was incorporated in 1989 and is headquartered in Phoenix, Arizona.

Ryder System, Inc. operates as a logistics and transportation company worldwide. It operates through three segments: Fleet Management Solutions (FMS), Supply Chain Solutions (SCS), and Dedicated Transportation Solutions (DTS). The FMS segment offers full-service leasing and leasing with flexible maintenance options; commercial vehicle rental services; and contract or transactional maintenance services of trucks, tractors, and trailers; access to diesel fuel; and fuel planning and tax reporting, cards, and monitoring services, and centralized billing, as well as sells used vehicles through its retail sales centers and www.ryder.com/used-trucks website, as well as digital and technology support services. The DTS segment offers equipment, maintenance, drivers, administrative, and additional services, as well as routing and scheduling, fleet sizing, safety, regulatory compliance, risk management, and technology and communication systems support services. The SCS segment comprises distribution management services, such as designing and managing customer's distribution network and facilities; coordinating warehousing and transportation for inbound and outbound material flows; handling import and export for international shipments; coordinating just-in-time replenishment of component parts to manufacturing and final assembly; and offering shipments to customer distribution centers or end customer delivery points, as well as other value added services, such as light assembly of components. This segment also offers transportation management and brokerage services, such as shipment optimization, load scheduling, and delivery confirmation services; knowledge-based professional services; and e-commerce and last mile services. The company was founded in 1933 and is headquartered in Coral Gables, Florida.

Landstar System, Inc. provides integrated transportation management solutions in the United States, Canada, Mexico, and internationally. It operates through two segments: Transportation Logistics and Insurance. The Transportation Logistics segment offers a range of transportation services, including truckload and less-than-truckload transportation, rail intermodal, air cargo, ocean cargo, expedited ground and air delivery of time-critical freight, heavy-haul/specialized, U.S.-Canada and U.S.-Mexico cross-border, intra-Mexico, intra-Canada, project cargo, and customs brokerage, as well as offers transportation services to other transportation companies, such as third party logistics and less-than-truckload services. It provides truck services through dry and specialty vans of various sizes, unsided/platform trailers, temperature-controlled vans, and containers; rail intermodal services through contracts with domestic and Canadian railroads, certain short-line railroads, and asset-based intermodal equipment; and domestic and international air and ocean services. This segment serves the automotive parts and assemblies, consumer durables, building products, metals, chemicals, foodstuffs, heavy machinery, retail, electronics, and military equipment industries. The Insurance segment provides risk and claims management services; and reinsures risks of the company's independent contractors. It markets its services through independent commission sales agents and third party capacity providers. Landstar System, Inc. was incorporated in 1991 and is headquartered in Jacksonville, Florida.

Hub Group, Inc., a supply chain solutions provider, offers transportation and logistics management services in North America. The company's transportation services include intermodal, truckload, less-than-truckload, flatbed, temperature-controlled, and dedicated and regional trucking, as well as final mile, railcar, small parcel, and international transportation. Its logistics services comprise full outsource logistics solution, transportation management, freight consolidation, warehousing and fulfillment, final mile delivery, and parcel and international services. The company also provides dry van, expedited, less-than-truckload, refrigerated, and flatbed truck brokerage services. It offers a fleet of approximately 2,300 tractors, 460 independent owner-operators, and 4,300 trailers to its customers, as well as the management and infrastructure. The company serves a range of industries, including retail, consumer products, and durable goods. As of December 31, 2023, it owned approximately 50,000 dry, 53-foot containers, as well as 900 refrigerated and 53-foot containers. The company was founded in 1971 and is headquartered in Oak Brook, Illinois.

Werner Enterprises, Inc., together with its subsidiaries, engages in transporting truckload shipments of general commodities in interstate and intrastate commerce in the United States, Mexico, and internationally. The company operates through two segments, Truckload Transportation Services and Werner Logistics. The Truckload Transportation Services segment operates a fleet of medium-to-long-haul vans that transports various consumer nondurable products and other commodities in truckload quantities using dry van trailers; the expedited fleet, which offers time-sensitive truckload services using driver teams; a regional short-haul fleet that provides truckload van service in the United States; and temperature-controlled fleet, which offers truckload services for temperature-sensitive products using temperature-controlled trailers. This segment provides truckload services to retail distribution centers or manufacturing facilities using dry vans or trailers to transport retail store merchandise, consumer products, food and beverage products, and manufactured products. As of December 31, 2023, it had a fleet of 8,000 trucks, which included 7,740 company-operated, as well as 260 owned and operated by independent contractors; and 30,810 trailers that comprised dry vans, flatbeds, temperature-controlled, and other trailers. The Werner Logistics segment provides non-asset-based transportation and logistics services, including truck brokerage; logistics management services and solutions; rail transportation through alliances with rail and drayage providers; and residential and commercial deliveries of large or heavy items using liftgate straight trucks. As of December 31, 2023, this segment operated 35 drayage tractors and 115 delivery trucks. It also sells used trucks and trailers; and trades used trucks to original equipment manufacturers. The company was founded in 1956 and is headquartered in Omaha, Nebraska.

Marten Transport, Ltd. operates as a temperature-sensitive truckload carrier for shippers in the United State, Mexico, and Canada. The company operates through four segments: Truckload, Dedicated, Intermodal, and Brokerage. The Truckload segment transports food and other consumer packaged goods that require a temperature-controlled or insulated environment, as well as dry freight; and regional short-haul and medium-to-long-haul full-load transportation services. The Dedicated segment offers customized transportation solutions for individual customers' requirements using temperature-controlled trailers, dry vans, and other specialized equipment. The Intermodal segment transports customers' freight utilizing its refrigerated containers and temperature-controlled trailers on railroad flatcars for portions of trips, as well as using tractors and contracted carriers. The Brokerage segment develops contractual relationships with and arranges for third-party carriers to transport freight for customers in temperature-controlled trailers and dry vans. As of December 31, 2023, the company operated a fleet of 3,349 tractors, that included 3,255 company-owned tractors and 94 tractors supplied by independent contractors. Marten Transport, Ltd. was founded in 1946 and is headquartered in Mondovi, Wisconsin.

Wabash National Corporation provides connected solutions for the transportation, logistics, and distribution industries primarily in the United States. The company operates through two segments, Transportation Solutions and Parts & Services. The Transportation Solutions segment designs and manufactures transportation-related equipment and products dry and refrigerated van trailers, platform trailers, tank trailers, and truck-mounted tanks; truck bodies for dry-freight transportation; cargo and cargo XL bodies for commercial applications; refrigerated truck bodies; platform truck bodies; and used trailers, as well as laminated hardwood oak flooring products. The Parts & Services segment provides aftermarket parts and services; steel flatbed bodies, truck body mounting, shelving for package delivery, partitions, roof racks, hitches, liftgates, thermal solutions, and others; truck body repair parts; and door repair and replacement, collision repair, and basic maintenance services. It also develops and scales a digital marketplace for the transportation and logistics distribution industry; operates a parts and services distribution platform; and stainless steel storage tanks and silos, mixers, and processors for the dairy, food and beverage, pharmaceutical, chemical, craft brewing, and biotech markets; trailers as a service; and composite products, including truck bodies, overhead doors, and other industrial application products, as well as used trailers. The company offers its products under the Wabash, DuraPlate, DuraPlateHD, DuraPlate AeroSkirt, and AeroSkirt CX brands, as well as EcoNex brand. It serves its products to truckload common carriers, leasing companies, private fleet carriers, less-than-truckload common carriers, and package carriers. Wabash National Corporation was founded in 1985 and is headquartered in Lafayette, Indiana.