Engineering & architecture in Collinsville, IL
5 engineering & architecture listed in Collinsville, Illinois. 4 with a phone number and 5 with a website.
Collinsville accounts for 0.2% of the engineering & architecture listed in Illinois.
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Quick answer
Collinsville, IL has 5 engineering & architecture listed on USA Business Search. 4 list a phone number and 5 list a website. The most listings are in ZIP codes 62234.
Updated October 2026Wood
Huff Machine Tool & Industrial Services LLC
Volkert & Association
Oates Associates, Inc
How to choose an engineering firm in Collinsville
- Ask who will actually do the work and how often you'll hear from them.
- Get the scope, price and timeline in writing.
- Ask for two references from clients like you.
Check the business: confirm a company's registration with the state in our Illinois business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many engineering & architecture are listed in Collinsville, Illinois?
USA Business Search shows 5 engineering & architecture in Collinsville. 4 list a phone number and 5 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 62234.
How do I choose an engineering firm in Collinsville?
Ask who will actually do the work and how often you'll hear from them. Get the scope, price and timeline in writing. Ask for two references from clients like you. Check the license or registration through the Illinois 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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