238210

Electrical Contractors and Other Wiring Installation Contractors

Construction › Specialty Trade Contractors › Building Equipment Contractors

SBA Size Standard

$19M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

23

Sector

Construction

238

Subsector

Specialty Trade Contractors

2382

Industry Group

Building Equipment Contractors

238210

National Industry (This Code)

Electrical Contractors and Other Wiring Installation Contractors

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$19M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 238210

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Installing and maintaining telecommunications lines performed by telecommunications companies--are classified in Subsector 517, Telecommunications;
Installing and maintaining electric power lines performed by electric utility companies--are classified in Industry Group 2211, Electric Power Generation, Transmission and Distribution;
Constructing power and communication lines--are classified in Industry 237130, Power and Communication Line and Related Structures Construction;
Burglar and fire alarm installation combined with sales, maintenance, or monitoring services--are classified in U.S. Industry 561621, Security Systems Services (except Locksmiths); and
Retailing and installing automotive audio equipment--are classified in Industry 441330, Automotive Parts and Accessories Retailers.

How to Use NAICS 238210 in SAM.gov

NAICS code 238210Electrical Contractors and Other Wiring Installation Contractors — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Building Equipment Contractors space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $19M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 238210.

Log in Entity Registration Goods & Services Add NAICS Code Enter 238210 Save

Frequently Asked Questions

What is NAICS code 238210?

NAICS code 238210 is 'Electrical Contractors and Other Wiring Installation Contractors', classified under the Construction sector (NAICS 23). 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 p

What is the SBA small business size standard for NAICS code 238210?

The SBA defines a small business under NAICS code 238210 (Electrical Contractors and Other Wiring Installation Contractors) as one with $19M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 238210 in SAM.gov?

To register NAICS code 238210 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 238210 (Electrical Contractors and Other Wiring Installation Contractors) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Building Equipment Contractors

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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