With offices located on the major estuaries of the east, west and gulf coasts, GBA is the largest firm in the US specializing in dredging engineering, hydrographic surveys, and subsurface investigations. Some of the Federal agencies, Port Authorities, States & local municipalities as well as private sector companies we had the opportunity and privilege to work with.
Federal Sate and Municipals
- City and County of San Francisco
- California State Coastal Conservancy
- County of Marin
- Delaware DNR
- Louisiana DNR
- Martin County FL
- Maryland Environmental Service
- Naval Facilities Engineering Command (VAVFAC)
- New Hanover County NC
- NJ DOT
- San Mateo County Harbor District
- Sonoma Land Trust
- USACE- Multiple Districts
- US Environmental Protection Agency
Ports
- Georgia Ports Authority
- JAXPORT
- Maryland Port Administration
- Massport
- North Carolina State Ports Authority
- PANYNJ
- Philadelphia Regional Port Authority
- Port Everglades
- Port Hueneme
- Port of Cape Canaveral
- Port of Corpus Christi
- Port of Galveston
- Port of Houston Authority
- Port of Los Angeles
- Port of Long Beach
- Port of Miami
- Port of Oakland
- Port of Portland
- Sabine Neches Navigation District
- Tampa Port Authority
- Virginia Ports Authority
Dredging Industry
- Ahtna Design-Build
- Cashman
- Conolly Pacific
- Dutra
- Dutra Construction
- General Construction Company
- Great Lake Dredge and Dock
- Marinex
- Manson Construction
- Norfolk Dredging
- Orion Marine
- RE State
- Sevenson
- Weeks Marine
Private Sector
- Alcoa Aluminum
- BAE Systems
- Cargill
- Chevron Corporation