| 333993 |
Wrapping (i.e., packaging) machinery manufacturing |
| 333994 |
Ceramic kilns and furnaces manufacturing |
| 333994 |
Core baking and mold drying ovens manufacturing |
| 333994 |
Dielectric industrial heating equipment manufacturing |
| 333994 |
Distillation ovens, charcoal and coke, manufacturing |
| 333994 |
Enameling ovens manufacturing |
| 333994 |
Furnaces and ovens for drying and redrying, industrial process-type, manufacturing |
| 333994 |
Furnaces and ovens, semiconductor wafer, manufacturing |
| 333994 |
Furnaces, industrial and laboratory-type (except dental), manufacturing |
| 333994 |
Garbage incinerators (except precast concrete) manufacturing |