Less-than-truckload (LTL) carrier Southeastern Freight Lines hauls freight throughout the southern US with a fleet of about 2,000 tractors and 6,000 trailers. (LTL carriers consolidate freight from multiple shippers into a single truckload.) Southeastern Freight Lines operates from a network of about 80 terminals in a dozen states (mainly in Texas) and Puerto Rico. Clients have included Lowe's and Masco. Through partnerships with carriers including Quik X Transportation, A. Duie Pyle, Dayton Freight, and Oak Harbor Freight Lines, Southeastern Freight Lines provides service throughout the US, Mexico, and Canada.