NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 221121 — Electric Bulk Power Transmission and Control

Electric Bulk Power Transmission and Control

NAICS 221121 is the national industry code for electric bulk power transmission and control establishments in the United States. The Small Business Administration sets a size standard of 950 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 950 View full SBA standard

Related industries in 22112 (Electric Power Transmission, Control, and Distribution)

View parent 22112

221122

Electric Power Distribution

Official Inclusions

transmission lines and the transformer stations that are integral to transmission

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

electric power control (e.g., arranging transmission between utilities) transmission of electric power

Complete Index of Activities (3 recognized activities) ▼

electric power control (e.g., arranging transmission between utilities)

transmission lines and the transformer stations that are integral to transmission

transmission of electric power

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/