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NAICS 221330 is the North American Industry Classification System code for Steam and Air-Conditioning Supply, a national industry in the Water, Sewage and Other Systems industry group (2213) of the Utilities sector (22).
Frequently asked questions
What is NAICS code 221330?
NAICS 221330 is the code for Steam and Air-Conditioning Supply, a national industry in the North American Industry Classification System (NAICS 2022), under 2213 (Water, Sewage and Other Systems). It is a 6-digit code, the most specific NAICS level.
What is the parent code of NAICS 221330?
The parent of NAICS 221330 is 2213, Water, Sewage and Other Systems. Every company under 221330 is also counted under 2213.