
D'Appolonia Engineers
We create foundations for the future.
Pittsburgh, PA
Explore capabilities, project experience, and office locations to build your shortlist.

We create foundations for the future.
Pittsburgh, PA

Designing the Future
Norristown, PA+2
Civil Engineering, Structural Engineering, and Forensic Engineering in Colorado and Arizona
Littleton, CO

YOU WANT IT, We Build It.
New York, NY

Architecture and Educational Facility Design.
Hillsboro, IL+5

Structural, Civil Engineering for Northern New Mexico and Southern Colorado
Santa Fe, NM+1

Excellence. Engineered.
Wayne, PA+1
The Community Impact People
Akron, OH+5

Land Surveying and Land Planning.
Suwanee, GA+2

Restoring Yesterday, Creating Tomorrow
Santa Rosa, CA

From Blueprint to Reality
Grimes, IA

Built on Trust.
Wilmington, NC+3

Civil Engineering and Environmental Engineering.
Augusta, GA

Full Service Architecture & Engineering
Conyers, GA+7

Meeting our clients' most pressing needs.
Windcrest, TX
Together, Planning a Better Tomorrow
Birmingham, AL+1

Over 40 Years of Engineering Excellence
Malvern, PA

Professional Land Surveying and ALTA/NSPS Land Title Surveys.
Flint, MI
Civil Engineering and Site Development Design.
Brandon, FL

Civil Engineering and Land Surveying.
Manhattan, KS+3
Offering Solutions That Make A Difference
Los Angeles, CA+1

Structural and Civil Engineering and Supplemental Drafting Services
Tallahassee, FL

Right from the start.
Houston, TX

Engineering Excellence
Glen Allen, VA