238210 — Electrical Contractors and Other Wiring Installation Contractors
Description
This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. Contractors included in this industry may include both the parts and labor when performing work. These contractors may perform new work, additions, alterations, maintenance, and repairs.
Illustrative Examples
- Airport runway lighting contractors
- Fiber optic cable (except transmission line) contractors
- Alarm system (e.g., fire, burglar), electric, installation only
- Highway, street, and bridge lighting and electrical signal installation
- Audio equipment (except automotive) installation contractors
- Home automation system installation
- Lighting system installation
- Cable television hookup contractors
- Telecommunications equipment and wiring (except transmission line) installation contractors
- Computer and network cable installation
- Traffic signal installation
- Environmental control system installation
- Cable splicing, electrical or fiber optic
Overview Facts
| NAICS Code | 238210 |
|---|---|
| Industry Title | Electrical Contractors and Other Wiring Installation Contractors |
| SBA Size Standard | $19,000,000 |
| U.S. Establishments | 83,342 (Census CBP, 2023) |
| IRS PBA Code | 238210 (exact match) |
| Sectors Hierarchy | Sector 23 → 238 → 2382 |
| JSON Endpoint | View as JSON · API → |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
💡 Expert Guidance & SBA Tips
SBA Audit Tip: Since NAICS 238210 utilizes a receipts-based size standard ($19,000,000), the SBA calculates your size using your average annual gross receipts over the last five fiscal years (13 CFR § 121.104). Be sure to include cost of goods sold (COGS) in your gross receipts calculation, as the SBA does not allow COGS deductions.
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 1711 - Plumbing, Heating, and Air-Conditioning (via SIC1987:1711→NAICS1997:23511→2002:238210→2007:238210→2012:238210→2017:238210→2022:238210)
- SIC 1731 - Electrical Work (via SIC1987:1731→NAICS1997:23531→2002:238210→2007:238210→2012:238210→2017:238210→2022:238210)
- SIC 7699 - Repair Shops and Related Services, NEC (via SIC1987:7699→NAICS1997:23511→2002:238210→2007:238210→2012:238210→2017:238210→2022:238210)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC L059 — Technical Representation Services: Electrical and Electronic Equipment Components
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 238210 an active industry classification in 2022? ▾
Yes, NAICS code 238210 is a fully active classification for 'Electrical Contractors and Other Wiring Installation Contractors' in the U.S. Census Bureau's 2022 vintage. It groups businesses by production process under Sector 23 (Construction), Subsector 238, and Group 2382.
What is the SBA small business size standard for NAICS code 238210? ▾
The SBA size standard limit for NAICS code 238210 is $19,000,000. Firms whose receipts (averaged over five years) or employee headcounts (averaged over 24 months) are below this threshold qualify for federal contracting set-asides.
What are the legacy SIC code equivalents mapped to NAICS 238210? ▾
Legacy 1987 SIC codes mapped to NAICS 238210 include: SIC 1711 (Plumbing, Heating, and Air-Conditioning), SIC 1731 (Electrical Work), SIC 7699 (Repair Shops and Related Services, NEC). Mappings are resolved transitively across successive Census concordances to preserve historical risk profiles in B2B databases.
What IRS Principal Business Activity (PBA) code matches NAICS 238210? ▾
The IRS PBA tax code matching NAICS 238210 is 238210 (derived via a exact mapping method). Business tax filers must declare this principal business activity code on IRS Schedule C, Form 1120, or Form 1065.
What business activities are classified under NAICS 238210? ▾
Activities classified under NAICS 238210 ('Electrical Contractors and Other Wiring Installation Contractors') include: Airport runway lighting contractors, Fiber optic cable (except transmission line) contractors, Alarm system (e.g., fire, burglar), electric, installation only, Highway, street, and bridge lighting and electrical signal installation. Companies primarily engaged in these production processes must select this code for compliance records.
What activities are excluded from NAICS code 238210? ▾
Exclusions defined by the Census Bureau for NAICS 238210 include: no direct exclusions. Establishments performing these alternative processes are redirected to use their respective industry codes.
How many active establishments operate under NAICS 238210 in the U.S.? ▾
According to the County Business Patterns (CBP) 2023 dataset, there are 83,342 active establishments with registered payrolls operating under NAICS code 238210 in the United States.
Which Product Service Codes (PSCs) are suggested for NAICS 238210? ▾
Suggested advisory Product Service Codes (PSCs) for NAICS 238210 are: PSC L059 (Technical Representation Services: Electrical and Electronic Equipment Components). PSCs classify the specific deliverables procured by the government, complementing the industry-level NAICS classification.
Is NAICS code 238210 standard uniform across all U.S. states? ▾
Yes. The North American Industry Classification System (NAICS) code 238210 is a federal statistical standard overseen by the Census Bureau. It applies uniformly to state LLC filings, banking KYC processes, and federal audits.
Related Pages & Tools
Further regulatory reference links for NAICS code 238210:
- Sector 23 Directory Hub — List of related industries in the Construction sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 238210 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Electrical Contractors and Other Wiring Installation Contractors).
- IRS PBA Code for Electrical — Principal Business Activity tax reporting details.
- IRS PBA Code for Solar Installation — Principal Business Activity tax reporting details.
- 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.
Sources & References
- U.S. Census Bureau: North American Industry Classification System (NAICS) Manual
- U.S. Small Business Administration (SBA): Table of Small Business Size Standards
- Electronic Code of Federal Regulations (eCFR): 13 CFR Part 121 - Small Business Size Regulations
- Acquisition.gov: Federal Acquisition Regulation (FAR) Part 19 - Small Business Programs
- Internal Revenue Service (IRS): Instructions for Schedule C (Form 1040) Principal Business Activity (PBA) Codes
- U.S. General Services Administration (GSA): System for Award Management (SAM.gov) Unique Entity ID Guide
- Defense Logistics Agency: Defense Logistics Agency (DLA) CAGE Search and Registration
- United Nations Statistics Division: International Standard Industrial Classification of All Economic Activities (ISIC)
- U.S. Occupational Safety and Health Administration (OSHA): Standard Industrial Classification (SIC) Manual
- U.S. Securities and Exchange Commission (SEC): SEC EDGAR Filer Standard Industrial Classification Codes