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Standard Industrial Classifications Codes (SIC Codes) /
North American Industry Classification System (NAICS)

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333413Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
This industry comprises establishments primarily engaged in manufacturing industrial and commercial blowers.

Exclusion(s): Establishments primarily engaged in:

*manufacturing household fans (except attic), and portable electric space heaters, humidifiers and dehumidifiers (335210, Small Electrical Appliance Manufacturing).

333416Heating Equipment and Commercial Refrigeration Equipment Manufacturing
This industry comprises establishments primarily engaged in manufacturing electric and non-electric heating equipment, and commercial and industrial refrigeration equipment.

Exclusion(s): Establishments primarily engaged in:

*manufacturing industrial, power and marine boilers (332410, Power Boiler and Heat Exchanger Manufacturing); *manufacturing commercial cooking and food-warming equipment (333310, Commercial and Service Industry Machinery Manufacturing); *manufacturing blowers for warm-air heating equipment (333413, Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing); *manufacturing industrial process furnaces and ovens (333990, All Other General-Purpose Machinery Manufacturing); *manufacturing household cooking stoves, ranges, refrigerators, freezers and water coolers (335223, Major Kitchen Appliance Manufacturing); and *manufacturing motor vehicle air-conditioning systems and compressors (336390, Other Motor Vehicle Parts Manufacturing).



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