Saia, Inc. through its wholly owned subsidiaries is a transportation company. The Company provides a range of less-than-truckload (LTL), non-asset truckload, expedited and logistics services across the United States. The Company serves a variety of customers by offering regional and interregional LTL, truckload, guaranteed, expedited and logistics services. The Company operates through four subsidiaries, Saia Motor Freight Line, LLC (Saia LTL Freight), Saia TL Plus, LLC (Saia TL Plus), Saia Sales, LLC (Saia Sales) and Saia Logistics Services, LLC (Saia Logistics Services). Saia LTL Freight is a multi-regional LTL carrier that serves approximately 34 states in the South, Southwest, Midwest, Pacific Northwest and West. Saia LTL Freight offers its customers a range of regional and interregional LTL services, including time-definite and expedited options.