NAICS 2213-digit subsector · NAICS 2022Sector 22

NAICS Code 221: Utilities

The NAICS code for Utilities is 221.

Utilities establishments generate, transmit, and distribute electric power, and distribute natural gas, water, steam, and other systems to residential, commercial, and industrial customers. These regulated entities form the foundational infrastructure layer on which all other economic activity depends.

Utilities is a 3-digit subsector of the broader Utilities (NAICS 22) sector.

52,270

Total US Entities

Industry Groups

221

NAICS Code

Classification

Industry Groups (4-digit)

NAICS Code	Industry Group Title	US Entities
2211	NAICS 2211 — Electric Power Generation, Transmission and Distribution	29,265
2212	NAICS 2212 — Natural Gas Distribution	3,812
2213	NAICS 2213 — Water, Sewage and Other Systems	19,193

Sample Data

Sample Companies in This Industry

Subsector 221 — Utilities

Company Name	Location	Employees	NAICS Code
Duke Energy Corporation	Charlotte, NC	10,000+	221
Southern California Edison	Rosemead, CA	10,000+	221
Dominion Energy Inc	Richmond, VA	10,000+	221
Consumers Energy Company	Jackson, MI	5,000-9,999	221
Xcel Energy Inc	Minneapolis, MN	10,000+	221
Puget Sound Energy	Bellevue, WA	1,000-4,999	221
Louisville Gas and Electric	Louisville, KY	1,000-4,999	221
New England Gas Company	Providence, RI	500-999	221
Arizona Public Service	Phoenix, AZ	5,000-9,999	221
Green Mountain Power	Colchester, VT	500-999	221

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Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.