
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

Solid waste, environmental, and geotechnical engineering services

Environmental and Engineering Solutions
Columbus, TX

Civil Engineering Design and Feasibility Studies.

Site Investigation Reports and Entitlement.
Pasadena, CA

Bringing climate action down to earth.
San Francisco, CA

Integrated Science, Engineering & Operations
Exeter, RI

Passionate About Our Work. Passionate About Our People.
Tucson, AZ+8

Environmental Consulting and Environmental Site Assessments.
Altoona, PA

Empowering People. Enhancing Lives.
Bismarck, ND+21

Phase I / Phase II Environmental Site Assessments and Facility Response & Spill Prevention.
Bohemia, NY+4

High-Quality & Cost-Efficient Geotechnical Engineering, Drilling, and Materials Testing
Milwaukee, WI+1

Our Services. Your Success.
San Diego, CA+1

Turning Location and Environmental Complexity into Clarity

Site Development & Land Planning and Water & Wastewater Design.

Designing a world that works.
Leland, NC+1

Solutions to your Challenges
Southfield, MI+1

Multidisciplinary engineering and support services in the Baltimore-Washington area
Lanham, MD+1

Municipal Engineering and Land Development.
Bozeman, MT

Land Survey & Right-of-Way and HD Laser Scanning.
York, PA

Environmental Engineering & Science
Salt Lake City, UT
Engineered For Life

Providing Client Satisfaction by Ensuring Expedient Quality Results with Technical Excellence
Laredo, TX+1

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