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
3
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 | NAICS Code |
|---|---|
| Duke Energy Corporation | 221 |
| Southern California Edison | 221 |
| Dominion Energy Inc | 221 |
| Consumers Energy Company | 221 |
| Xcel Energy Inc | 221 |
| Puget Sound Energy | 221 |
| Louisville Gas and Electric | 221 |
| New England Gas Company | 221 |
| Arizona Public Service | 221 |
| Green Mountain Power | 221 |
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NAICS 2022
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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.
