Mansfield Oil Company is among the leaders in the petroleum marketing industry. The company has grown from a small fuel oil distributorship to a national supplier, which delivers more than 1 billion gallons of petroleum products and related services annually to customers throughout the continental United States. Mansfield Oil also offers services for fuel cost control, budget overruns, cash flow restraints, single-source supply, retail purchasing, fleet fuel, environmental compliance and retail site development. The company s customers include airports, car rental companies, convenience stores, forestry and government agencies, retailers, manufacturing organizations, marinas, quarries, transportation fleets and trucking firms, universities, utilities and waste management companies. Mansfield Oil Company was founded in 1957 and is located in Gainesville, Ga. In 20006, Forbes listed Mansfield Oil as the 165th-largest private company.