The group's principal activity is the retail distribution of fuel oil, propane gas and diesel fuel. the group also provides installation and repair of heating, ventilation, air-conditioning and other home heating equipment. the group is a holding company for five operating subsidiaries namely: able oil; Able propane; Able melbourne; Able montgomery and a&o. the retail fuel oil distribution business is conducted through its subsidiaries, able oil and able melbourne. the group offers home heating oil, diesel fuel, gasoline and kerosene and provides oil burner service for the maintenance, repair and installation of oil burners. the group operates in the northern new jersey, melbourne, florida, warrensburg and new york.