North American Industry Classification System (NAICS) 2002
- 31-33 - Manufacturing
- 333 - Machinery Manufacturing
- 3334 - Ventilation, Heating, Air-Conditioning and Commercial Refrigeration Equipment Manufacturing
- 33341 - Ventilation, Heating, Air-Conditioning and Commercial Refrigeration Equipment Manufacturing
- 333413 - Industrial and Commercial Fan and Blower and Air Purification Equipment ManufacturingCAN
- 333416 - Heating Equipment and Commercial Refrigeration Equipment ManufacturingCAN
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