UPS Freight is one of the leading providers of small package delivery, freight and other transportation solutions in the United States. The company specializes in the regional, interregional and long-haul transportation of palletized and less-than-truckload shipments. It provides temperature-controlled shipment and consolidation and distribution services. The company operates a network of more than 200 facilities throughout North America, as well as has a fleet of over 22,000 trailers and nearly 6,500 tractors. It offers online shipment tracking services. UPS Freight also serves clients in Canada, Puerto Rico and Mexico. It offers the UPS Freight Association Program, which provides opportunities for freight savings. UPS Freight is a part of UPS (United Parcel Service of America), which is one of the largest providers of specialized transportation and logistic services in the world that has been operational since 1907.