NAICS 238210:
Electrical Contractors and Other Wiring Installation Contractors
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.
Airport runway lighting contractorsFiber optic cable (except transmission line) contractorsAlarm system (e.g., fire, burglar), electric, installation only+10 examples
Highway, street, and bridge lighting and electrical signal installationAudio equipment (except automotive) installation contractorsHome automation system installationLighting system installationCable television hookup contractorsTelecommunications equipment and wiring (except transmission line) installation contractorsComputer and network cable installationTraffic signal installationEnvironmental control system installationCable splicing, electrical or fiber optic
Also called: electrician
Matching SIC code: 1731 Electrical Work (also 1711 Plumbing, Heating and Air-Conditioning)
Where it sits
- 23ConstructionSector
- 238Specialty Trade ContractorsSubsector
- 2382Building Equipment ContractorsIndustry group
- 23821Electrical Contractors and Other Wiring Installation ContractorsNAICS industry
- 238210Electrical Contractors and Other Wiring Installation ContractorsNational industry
Largest companies with NAICS 238210
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  Sunrunsunrun.com | San Francisco, US | 11K |
| 2 |  Convergintconvergint.com | Hoffman Estates, US | 7.3K |
| 3 |  Rosendinrosendin.com | San Jose, US | 6.4K |
| 4 |  MMR Groupmmrgrp.com | Baton Rouge, US | 4.7K |
| 5 |  M.C. Dean, Inc.mcdean.com | Mc Lean, US | 4.2K |
| 6 |  SunPowersunpower.com | Orem, US | 3.6K |
| 7 |  Power Designpowerdesigninc.us | St. Petersburg, US | 2.9K |
| 8 |  IES Holdingsies-co.com | Houston, US | 2.9K |
| 9 |  IES Communicationsiescomm.com | Tempe, US | 2.6K |
| 10 |  SolarCitysolarcity.com | San Mateo, US | 2.1K |
Not this code?
Similar activities the Census classifies elsewhere.
- 517TelecommunicationsInstalling and maintaining telecommunications lines performed by telecommunications companies
- 2211Electric Power Generation, Transmission and DistributionInstalling and maintaining electric power lines performed by electric utility companies
- 237130Power and Communication Line and Related Structures ConstructionConstructing power and communication lines
- 561621Security Systems Services (except Locksmiths)Burglar and fire alarm installation combined with sales, maintenance, or monitoring services
Questions about NAICS 238210
What is the NAICS code for electrician?
NAICS 238210, Electrical Contractors and Other Wiring Installation Contractors. This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment.
Which businesses use NAICS 238210?
Airport runway lighting contractors, fiber optic cable (except transmission line) contractors and audio equipment (except automotive) installation contractors, and similar businesses in the Construction sector.
What SIC code matches NAICS 238210?
SIC 1731, Electrical Work; SIC 1711, Plumbing, Heating and Air-Conditioning, from the US Census Bureau's concordance between the two systems.
How many companies have NAICS 238210?
42,935 companies with a website carry NAICS 238210 as their primary code in Crustdata's data, worldwide.
Find any company's NAICS codeType a company name or website and get its codes with their titles.
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Sign up freeCode titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.