221122 — Electric Power Distribution
Description
This U.S. industry comprises electric power establishments primarily engaged in either (1) operating electric power distribution systems (i.e., consisting of lines, poles, meters, and wiring) or (2) operating as electric power brokers or agents that arrange the sale of electricity via power distribution systems operated by others.
Exclusions & Cross-References
- Generating electric energy--are classified in Industry 22111, Electric Power Generation; and
- Transmitting electricity between generating sources or distribution centers--are classified in U.S. Industry
- 221121, Electric Bulk Power Transmission and Control.
Overview Facts
| NAICS Code | 221122 |
|---|---|
| Industry Title | Electric Power Distribution |
| SBA Size Standard | 1,100 employees |
| IRS PBA Code | 221100 (rolled-up match) |
| Sectors Hierarchy | Sector 22 → 221 → 2211 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 4911 - Electric Services (via SIC1987:4911→NAICS1997:221122→2002:221122→2007:221122→2012:221122→2017:221122→2022:221122)
- SIC 4931 - Electric and Other Services Combined (via SIC1987:4931→NAICS1997:221122→2002:221122→2007:221122→2012:221122→2017:221122→2022:221122)
- SIC 4939 - Combination Utilities, NEC (via SIC1987:4939→NAICS1997:221122→2002:221122→2007:221122→2012:221122→2017:221122→2022:221122)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 221122:
- Sector 22 Directory Hub — List of related industries in the Utilities sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 2211
Frequently Asked Questions (FAQ)
Is 221122 a valid 2022 NAICS code?
NAICS 221122 is 'Electric Power Distribution', a 2022 U.S. national industry under Sector 22 (Utilities); the SBA small-business size standard is 1,100 employees.
What is the SBA size standard for NAICS 221122?
The SBA small business size standard for NAICS 221122 is 1,100 employees (based on employees).
What is the legacy SIC code mapping for 221122?
NAICS code 221122 maps to the legacy 1987 SIC codes: 4911 - Electric Services, 4931 - Electric and Other Services Combined, 4939 - Combination Utilities, NEC.