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NAICS 221310 is the North American Industry Classification System code for Water Supply and Irrigation Systems, 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 221310?
NAICS 221310 is the code for Water Supply and Irrigation Systems, 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 221310?
The parent of NAICS 221310 is 2213, Water, Sewage and Other Systems. Every company under 221310 is also counted under 2213.