Headquartered in Atlanta, UPS Freight is one of the largest less-than-truckload carriers and a leading truckload service provider in the United States with over 215 service centers and 18,400 employees. The company's reliable, modern fleet of approximately 29,000 tractors and trailers offers a full range of regional and long-haul capabilities and an on-time delivery guarantee for all LTL shipments. It offers services to Canada, Mexico, Puerto Rico, Guam and the U.S. Virgin Islands. UPS Freight is a subsidiary of UPS, which also operates The UPS Store, UPS Air Cargo, UPS Capital, UPS Consulting, UPS Express Critical, UPS Logistics Technologies, UPS Mail Innovations, UPS Professional Services and UPS Supply Chain Solutions. The company's standard LTL service is backed by an on-time guarantee for shipments rated on the current UPS Freight tariff and moving within the continental United States. It has expertise in providing third-party brokerage-related solutions in the U.S. and Canada. The company also provides satellite tracking and document retrieval services. UPS Freight offers a range of long-hauling capabilities in over 50 U.S. states. The company provides billing data and analysis tools for residential and commercial customers.