Electricians in O'fallon, MO
5 electricians listed in O'fallon, Missouri. 5 with a phone number and 5 with a website.
O'fallon accounts for 0.8% of the electricians listed in Missouri.
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Quick answer
O'fallon, MO has 5 electricians listed on USA Business Search. 5 list a phone number and 5 list a website. The most listings are in ZIP codes 63366, 63368.
Updated October 2026Gigawatts Electric LLC
Infinity Electric
Logue Electric Inc.
Stiarwalt Electric
How to choose an electrician in O'fallon
- Ask whether the job needs a permit and inspection. Panel and EV-charger work usually does.
- Get a written quote that lists materials and labor separately.
- Ask if they carry liability insurance and workers' comp.
Check the business: confirm a company's registration with the state in our Missouri business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many electricians are listed in O'fallon, Missouri?
USA Business Search shows 5 electricians in O'fallon. 5 list a phone number and 5 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 63366, 63368.
How do I choose an electrician in O'fallon?
Ask whether the job needs a permit and inspection. Panel and EV-charger work usually does. Get a written quote that lists materials and labor separately. Ask if they carry liability insurance and workers' comp. Check the license or registration through the Missouri business lookup guide.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
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