BASE4
Architecture and Engineering.
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Find the right engineering partner.
Explore capabilities, project experience, and office locations to build your shortlist.
Fueled by boundless curiosity, we solve complex engineering and architectural challenges.
Portland, ME
Unique spaces | Amazing places
Design Solutions and Architecture.
Sensible and artful experiences with impact.
Jackson, MS+1
Beyond Buildings
Lenexa, KS
Global resources. End-to-end solutions. Innovative results.
Beavercreek, OH+7
An Engineering + Design Partner You Can Trust
San Diego, CA
Meet a local AE design firm with national reach.
Los Angeles, CA+4
Designing with Precision, Engineering with Care
Concord, NH
People | Culture | Design
Spokane, WA
Ask. Listen. Create.
Richmond, VA+6
Define Your Vision. Design in Collaboration. Deliver Beyond Your Expectations.
Oklahoma City, OK
We create the places where people work, live, play, heal, and learn.
Jackson, TN
Architecture and Interior Design.
Biddeford, ME+1
We Design It. We Build It. We Believe In It.
Deerfield Beach, FL+1
Engineered Comfort. Genuine Performance.
Columbus, OH
Making ideal happen.
Lincoln, NE+2
Exceptional Design with a Purpose
Beyond Design. Creating a Better Experience.
Ferdinand, IN
Making Communities Better
New York, NY
Design Like You Mean It!
Williamsburg, VA+1
New York Architecture & Engineering Innovation
