NAICS 221210 is the North American Industry Classification System code for Natural Gas Distribution, a national industry in the Utilities sector (22).
NAICS 221210 is the code for Natural Gas Distribution, a national industry in the North American Industry Classification System (NAICS 2022), under 22 (Utilities). It is a 6-digit code, the most specific NAICS level.
The parent of NAICS 221210 is 22, Utilities. Every company under 221210 is also counted under 22.