FUEL DEALERS (SIC 598) Establishments primarily engaged in the retail sale of fuel oil. Establishments primarily selling fuel oil burners are classified in SIC 5074; dealers primarily engaged in installing and servicing fuel oil burners, in SIC 1711; and fuel oil burner repair service only, in SIC 7699. Establishments primarily engaged in the retail sale of bottled or bulk liquefied petroleum (LP) gas. Establishments primarily engaged in the retail sale of coal, coke, charcoal, wood, or any combination of these lines. Establishments primarily selling fuel oil are classified in SIC 5983 and those primarily selling bottled gas in SIC 5984.