Variant of NAICS 1997 - Goods and services
- 11-33 - Goods
- 31-33 - Manufacturing
- 332 - Fabricated Metal Product Manufacturing
- 3324 - Boiler, Tank and Shipping Container Manufacturing
- 33241 - Power Boiler and Heat Exchanger Manufacturing
- 332410 - Power Boiler and Heat Exchanger Manufacturing
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