
COA Barrett, LLC
Land development design, civil engineering, surveying, and environmental planning in Maryland.
Prince Frederick, MD
Explore capabilities, project experience, and office locations to build your shortlist.

Land development design, civil engineering, surveying, and environmental planning in Maryland.
Prince Frederick, MD

Geotechnical Engineering and Geotechnical and Geological Investigations.

Tailored Solutions For Reliable Operation, Realized Savings, Sustainable Design
Rocky Hill, CT

Your Trusted Civil Engineering Firm for Innovative Solutions
Miami, FL+7

Geotechnical Engineering and Environmental Consulting.
Camp Hill, PA

Providing Innovative Solutions to Complex Environmental Problems
Reading, PA+4

Multidisciplinary engineering and support services in the Baltimore-Washington area
Lanham, MD+1
Expert engineering services in mechanical, electrical, plumbing, structural, and process design

Expect More. Experience Better.
Raleigh, NC+7

Expert Environmental Services in Northern California
Chico, CA
Redefining Possible
We Solve Our Clients' Most Challenging Environmental Issues
Islandia, NY+14
Creating Brighter Futures Together.

We build our success by building yours.
Itasca, IL+1

Forensic Engineering and Construction Accident Investigation.
Savannah, GA

Improving the communities we serve
Redding, CA
A New Era of Civil Engineers
Santa Rosa, CA

Common sense solutions to solve engineering problems on time and on budget.
Redding, CA

Your Infrastructure Ally. We solve engineering challenges to strengthen communities.
Waukesha, WI+7

Dedicated Service. Inspired Design.
Fredericksburg, VA+2

Technical Know-How for Your Project
Jefferson City, MO+2

Quality Services: On Time and On Budget
Savannah, GA+10

Architecture, Engineering, and Environmental Services

Cost-Effective Engineering Services
Phoenix, AZ