Based in Westlake, TA's business includes travel centers located in 44 U.S. states and Canada, standalone truck service facilities in three states, and standalone restaurants in 12 states. TA's travel centers operate under the TravelCenters of America, TA, TA Express, Petro Stopping Centers and Petro brand names. Its standalone truck service facilities operate under the TA Truck Service brand name. Its standalone restaurants operate principally under the Quaker Steak & Lube, or QSL, brand name.