NAICS 333994 — Industrial Process Furnace and Oven Manufacturing 
BEA sector: Industrial process furnace and oven manufacturing
Activity: Ceramic kilns and furnaces manufacturing
Activity: Core baking and mold drying ovens manufacturing
Activity: Dielectric industrial heating equipment manufacturing
Activity: Distillation ovens, charcoal and coke, manufacturing
Activity: Enameling ovens manufacturing
Activity: Furnaces and ovens for drying and redrying, industrial process-type, manufacturing
Activity: Furnaces and ovens, semiconductor wafer, manufacturing
Activity: Furnaces, industrial and laboratory-type (except dental), manufacturing
Activity: Garbage incinerators (except precast concrete) manufacturing
Activity: Heat treating ovens, industrial process-type, manufacturing
Activity: Incinerators (except precast concrete) manufacturing
Activity: Induction heating equipment, industrial process-type, manufacturing
Activity: Infrared ovens, industrial, manufacturing
Activity: Japanning ovens manufacturing
Activity: Kilns (except cement, chemical, wood) manufacturing
Activity: Lacquering ovens manufacturing
Activity: Metal melting furnaces, industrial, manufacturing
Activity: Ovens, industrial process and laboratory-type, manufacturing
Activity: Paint baking and drying ovens manufacturing
Activity: Smelting ovens manufacturing
Activity: Tilemaking kilns manufacturing