Variant of NAICS 2017 Version 3.0 - Industrial production (based on the 1950 United Nations definition)
- 1 - Industrial production
- 22 - Utilities
- 221 - UtilitiesUS
- 2211 - Electric power generation, transmission and distribution
- 22111 - Electric power generationUS
- 221111 - Hydro-electric power generationUS
- 221112 - Fossil-fuel electric power generationUS
- 221113 - Nuclear electric power generationUS
- 221119 - Other electric power generationUS
- 22112 - Electric power transmission, control and distributionUS
- 221121 - Electric bulk power transmission and controlUS
- 221122 - Electric power distributionUS
- 2212 - Natural gas distributionUS
- 22121 - Natural gas distributionUS
- 221210 - Natural gas distributionUS
- 2213 - Water, sewage and other systemsUS
- 22131 - Water supply and irrigation systemsUS
- 221310 - Water supply and irrigation systemsUS
- 22132 - Sewage treatment facilitiesUS
- 221320 - Sewage treatment facilitiesUS
- 22133 - Steam and air-conditioning supplyUS
- 221330 - Steam and air-conditioning supplyUS
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