Includes
Oil Burners; Stokers; Gas Burners.

Possible NAICS Codes
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
339991 – Gasket, Packing, and Sealing Device Manufacturing
336411 – Aircraft Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
332410 – Power Boiler and Heat Exchanger Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
457210 – Fuel Dealers
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing