Engineering & architecture in Decatur, IL
14 engineering & architecture listed in Decatur, Illinois. 12 with a phone number and 10 with a website.
Decatur accounts for 0.6% of the engineering & architecture listed in Illinois.
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Quick answer
Decatur, IL has 14 engineering & architecture listed on USA Business Search. 12 list a phone number and 10 list a website. The most listings are in ZIP codes 62526, 62521, 62522.
Updated October 2026Blank Wesselink Cook & Associates Inc
Bldd Architects
Chastain & Associates Llc
Lemark Services
Midwest Lightning Rods, Llc
Staley Library
Allen Engineering
Decatur Sanitary District
Haley Architectural Group
Midwest Electronic Systems Inc
Midwest Electronic Systems, Inc
Pioneer Industrial Corporation
Sndb Designs
How to choose an engineering firm in Decatur
- 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 Decatur, Illinois?
USA Business Search shows 14 engineering & architecture in Decatur. 12 list a phone number and 10 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 62526, 62521, 62522, 62523.
How do I choose an engineering firm in Decatur?
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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