2022 NAICS subsector in sector 22 Utilities
221 Utilities
NAICS 221 is the US industry code for utilities. Industries in the Utilities subsector provide electric power, natural gas, steam supply, water supply, and sewage treatment and disposal through a permanent infrastructure of lines, mains, and pipes.
Official definition
Industries in the Utilities subsector provide electric power, natural gas, steam supply, water supply, and sewage treatment and disposal through a permanent infrastructure of lines, mains, and pipes. Establishments are grouped together based on the utility service provided and the particular system or facilities required to perform the service.
Codes in 221
Data last changed November 14, 2026. How this page is built.