Six-Digit NAICS Codes & Titles

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Codes Titles Number of US Businesses
22 Utilities 37,237
221111Hydroelectric Power Generation 48
221112Fossil Fuel Electric Power Generation 134
221113Nuclear Electric Power Generation 36
221114Solar Electric Power Generation 0
221115Wind Electric Power Generation 0
221116Geothermal Electric Power Generation 0
221117Biomass Electric Power Generation 0
221118Other Electric Power Generation 11,738
221121Electric Bulk Power Transmission and Control 301
221122Electric Power Distribution 1,933
221210Natural Gas Distribution 4,457
221310Water Supply and Irrigation Systems 15,818
221320Sewage Treatment Facilities 2,283
221330Steam and Air-Conditioning Supply 489

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