General contractors in O'fallon, MO
33 general contractors listed in O'fallon, Missouri. 32 with a phone number and 31 with a website.
O'fallon accounts for 0.7% of the general contractors listed in Missouri.
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Quick answer
O'fallon, MO has 33 general contractors listed on USA Business Search. 32 list a phone number and 31 list a website. The most listings are in ZIP codes 63366, 63368.
Updated October 2026Comia Home Builders
Richards Building Supply
Accent Painting and Remodeling
Accessibility Home Improvements
Born Again Restoration
CoCara Remodeling LLC
Duckett Creek Sanitary District
Everything Garage Doors
Fischer Homes
Fresh-Coat Spray Painting
L&S Concrete
Metro Siding and Construction
Meyer Contracting
Midwest Turf Contractor
ORF Exteriors
Precision Plumbers
Spec Group Concrete
Top Quality Painting, Inc.
Tuff Shed
Wise Coatings
Luna's Improvements
Remodeling Plus Llc
The Townes at Streets of Caledonia New Homes in O'Fallon by Fischer Homes
The Courtyards At BaratHaven by Reisch Sansone Communities
Ubc Distribution USA
EZ Portable Buildings
Fred Weber Asphalt
Cloverfield Overlay
Hunn Custom Foundations Inc
Monticello West
Fairway Construction
Dannemann Construction
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How to choose a contractor in O'fallon
- Get two or three written bids with the same scope.
- Ask for proof of liability insurance and workers' comp.
- Tie payments to finished stages of the work, never all up front.
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 general contractors are listed in O'fallon, Missouri?
USA Business Search shows 33 general contractors in O'fallon. 32 list a phone number and 31 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 63366, 63368.
How do I choose a contractor in O'fallon?
Get two or three written bids with the same scope. Ask for proof of liability insurance and workers' comp. Tie payments to finished stages of the work, never all up front. 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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