Structure of NAICS Code 33341 - Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
Hierarchy
Subcategories are listed in order from general (3-Digit) to more specific (6-Digit) industry. Each category link leads to the corresponding Code Details page.
Categories
General
Specific
Hierarchy
3-Digits
4-Digits
5-Digits
6-Digits