Saia, Inc., through its subsidiaries, operates as a transportation company in North America. The company provides less-than-truckload services for shipments between 400 and 10,000 pounds; and other value-added services, including non-asset truckload, expedited, and logistics services. As of December 31, 2021, it operated 176 owned and leased facilities; and owned approximately 5,600 tractors and 19,300 trailers.