Welcome To Colonial Fuel Oil Corporation. Colonial Fuel Oil Corporation was founded in 1949, and bought by the Cassanos family in 1976, who have operated it ever since. Our staff consists of long term employees, averaging 16 years service to the company. We proudly serve the Mechanicsville and Greater Richmond, VA areas Colonial Fuel Oil Corporation sells fuel oil, kerosene, gasoline and diesel fuel. We sell and service oil furnaces, oil boilers, above ground storage tanks, heat pumps and central air conditioning. We offer burner service contracts, 24 hour emergency burner service, automatic delivery and budget payment plans. We work with Fuel Assistance, Citizen?s Energy and other charities. For more information, call us at (804) 746-8283, (804) 746-9703, (804) 746-2072 or (804) 779-2000.