Since 1974
Engineering
Stronger Coasts.
Integrated engineering and survey solutions that build, protect, and connect our coastal communities.
Our Services
End-to-End Solutions for
Complex Coastal Challenges
Hydrographic
Surveying
High-resolution data collection and mapping for confident decisions.
->Coastal
Engineering
Smart, resilient design for shorelines, ports, and coastal infrastructure.
->Dredging
Engineering
Efficient, compliant dredging solutions that support navigation and growth.
->Construction
Management
Expert oversight that keeps projects on time, on budget, and built to last.
->Geotechnical
Investigations
Subsurface insight that builds the foundation for safer, smarter design.
->Navigation Channel
Design
Optimized channel design that enhances safety, access, and performance.
->About GBA
A Legacy of Engineering
Excellence Since 1974
For over five decades, GBA has delivered trusted engineering and survey solutions for the nation’s most critical coastal and marine projects. Our team combines deep technical expertise with innovative thinking to solve complex challenges and create lasting impact.
Learn More About GBA
Featured Projects
Proven Expertise. Real-World Impact.
National Presence
Local Insight. Nationwide Reach.
With 8 offices across the United States, GBA brings local knowledge and national resources to every project we undertake.
Our LocationsGBA Wilmington, NC
- Address:
- 295-A North Green Meadows Drive
Wilmington, NC 28405-3933 - Tel:
- (910) 313-3338
- Philadelphia, PA
- Houston, TX
- Wilmington, NC
- Baltimore, MD
- Los Angeles, CA
- Tampa, FL — Corporate Headquarters
- San Francisco, CA
- Hobe Sound, FL
Careers
Build Your Career. Shape What’s Next.
Join a team of passionate engineers, surveyors, and innovators who are building a better tomorrow for our coasts and communities.