TFI International Inc., together with its subsidiaries, provides transportation and logistics services in the United States and Canada. The company operates through Package and Courier, Less-Than-Truckload (LTL), Truckload (TL), and Logistics segments. The Package and Courier segment engages in the pickup, transport, and delivery of items in North America. The LTL segment is involved in the pickup, consolidation, transportation, and delivery of smaller loads. The TL segment offers expedited transportation, flatbed, tank, container, and dedicated services. This segment also carries full loads directly from the customer to the destination using a closed van or specialized equipment. The Logistics segment provides asset-light logistics services, including brokerage, freight forwarding, and transportation management, as well as small package parcel delivery. As of December 31, 2023, it operates 11,455 trucks, 34,599 trailers, and 7,504 independent contractors. The company was formerly known as TransForce Inc. and changed its name to TFI International Inc. in December 2016. TFI International Inc. was founded in 1957 and is headquartered in Saint-Laurent, Canada.

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.

ArcBest Corporation, an integrated logistics company, engages in the provision of ground, air, and ocean transportation solutions. It operates through two segments: Asset-Based and Asset-Light. The Asset-Based segment provides less-than-truckload (LTL) services, that transports general commodities, such as food, textiles, apparel, furniture, appliances, chemicals, non-bulk petroleum products, rubber, plastics, metal and metal products, wood, glass, automotive parts, machinery, and miscellaneous manufactured products. The segment also offers motor carrier freight transportation services to customers in Mexico through arrangements with trucking companies. The Asset-Light segment provides ground expedite services; third-party transportation brokerage services by sourcing various capacity solutions, including dry van over-the-road, temperature-controlled and refrigerated, flatbed, intermodal or container shipping, and specialized equipment; less-than- and full container load ocean transportation services; warehousing and distribution services; managed transportation services; and moving services to ‘do-it-yourself' consumer, as well as provides final mile, time critical, product launch, retail logistics, supply chain optimization, and trade show shipping services. This segment also offers premium logistics services, such as deployment of specialized equipment to meet linehaul requirements; international freight transportation with air, ocean, and ground services; and engages in the final mile, time-critical, product launch, retail logistics, supply chain optimization, brokered LTL, and trade show shipping activities. The company was formerly known as Arkansas Best Corporation and changed its name to ArcBest Corporation in May 2014. ArcBest Corporation was founded in 1923 and is headquartered in Fort Smith, Arkansas.

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.

Heartland Express, Inc., together with its subsidiaries, operates as a short-to-medium, and long-haul truckload carrier in the United States and Canada. It primarily provides nationwide asset-based dry van truckload service for shippers; cross-border freight and other transportation services; and temperature-controlled truckload services. The company offers its services under the Heartland Express and Millis Transfer brand names. It primarily serves retailers and manufacturers in consumer goods, appliances, food products, and automotive industries. The company was founded in 1978 and is headquartered in North Liberty, Iowa.

Universal Logistics Holdings, Inc. provides transportation and logistics solutions in the United States, Mexico, Canada, and Colombia. The company offers truckload services, which include dry van, flatbed, heavy-haul, and refrigerated operations; domestic and international freight forwarding, and customs brokerage services. It transports various commodities comprising automotive parts, machinery, building materials, paper, food, consumer goods, furniture, steel, and other metals. The company also provides value-added services for individual customer requirements, including material handling, consolidation, sequencing, sub-assembly, cross-dock, kitting, repacking, warehousing, and returnable container management; and intermodal support services comprising short-to-medium distance delivery of steamship and rail truck containers between the port or railhead, and the customer, as well as drayage services. It serves automotive, steel, and other metals, retail and consumer goods, energy, and manufacturing industries, as well as other transportation companies who aggregate loads from various shippers. The company was formerly known as Universal Truckload Services, Inc. and changed its name to Universal Logistics Holdings, Inc. in April 2016. Universal Logistics Holdings, Inc. was founded in 1932 and is headquartered in Warren, Michigan.

P.A.M. Transportation Services, Inc., through its subsidiaries, operates as a truckload transportation and logistics company in the United States, Mexico, and Canada. The company operates a truckload dry van carrier that transports general commodities, such as automotive parts; expedited goods; consumer goods, such as general retail store merchandise; and manufactured goods, including heating and air conditioning units. The company also provides brokerage and logistics services. As of December 31, 2023, it operated a fleet of 2,200 trucks, which included 300 independent contractor trucks; and 8,567 trailers. The company was founded in 1980 and is headquartered in Tontitown, Arkansas.