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Locations

Regional Offices United by The GTA Experience

We maintain 30 autonomous offices across the Mid-Atlantic, Midwest, Southeast, and Texas regions, each of which is responsive to local clients and market demands. If you are searching for environmental consultants near you or a nearby geotechnical engineering office, explore our locations to find the office that best supports your next project.

Office Locations

Select a pin on the map to learn more about the location or start typing in your zip code for the office nearest you!

Construction Observation & Testing

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Delaware

Georgetown, Delaware

GTA provides geotechnical engineering services in Georgetown, Delaware, supporting coastal and inland projects across Sussex County. Our team regularly works with sandy soils, high groundwater conditions, and environmentally sensitive sites common in Southern Delaware, delivering practical recommendations for site development and construction projects.

 

21491 Baltimore Avenue, Unit 1
Georgetown, DE 19947
Phone: 302-855-9761

Newark, Delaware

GTA provides geotechnical engineering services in Newark, Delaware, supporting infrastructure, institutional, and commercial development projects across New Castle County. Our team is experienced in subsurface investigation and redevelopment sites throughout Northern Delaware.

 

111 Ruthar Drive
Newark, DE 19711
Phone: 302-326-2100

Florida

Orlando, Florida

Central Florida’s high groundwater and unique karst geology require specialized oversight. GTA manages these complex subsurface conditions with targeted geotechnical, environmental, and natural resource services.

Maryland

Abingdon, Maryland

GTA provides geotechnical engineering services in Abingdon, Maryland, supporting commercial development, infrastructure projects, and site work across Harford County and the I-95 corridor. 

 

3445 Box Hill Corporate Center Drive
Suite A
Abingdon, MD 21009
Phone: 410-515-9446

Baltimore, Maryland

GTA provides geotechnical engineering services in Baltimore, Maryland, supporting urban redevelopment, brownfield sites, and infrastructure projects across Baltimore City.

 

1414 Key Highway
Suite 201P
Baltimore, MD 21230
Phone: 443-865-8274

Frederick, Maryland

GTA provides geotechnical engineering services in Frederick, Maryland, supporting residential and commercial development across Frederick County. Our team performs soil testing, subsurface investigation, and foundation inspection for projects with varied soil and rock conditions.

 

5104 Pegasus Court
Suite J
Frederick, MD 21704
Phone: 240-651-3281

Laurel, Maryland

Strategically located between Baltimore and Washington, GTA provides geotechnical engineering services in Laurel, Maryland for public and private sector projects. Services include environmental consulting, soil testing, and subsurface investigation across the I-95 corridor. 


14280 Park Center Drive
Suite A
Laurel, MD 20707
Phone: 410-792-9446
301-470-4470

Waldorf, Maryland

Development in Waldorf often involves large sites with grading, drainage, and retaining wall challenges. GTA handles soil testing, ground stabilization, and drainage evaluation to prepare these sites for construction.

 

2960 Technology Place
Suite 101
Waldorf, MD 20601
Phone: 443-286-5501

New Jersey

NYC Metro Office, New Jersey

Sites in the NYC metro area demand tight coordination, deep foundations, and structural support systems. GTA handles soil boring, excavation support, and underpinning for dense urban construction. 

 

211-K Gates Road
Little Ferry, NJ 07643
Phone: 201-641-1850


Engineering services for New York projects are performed by our affiliated entity, GTA Engineering Services of New York, P.C.

Somerset, New Jersey

Somerset projects range from commercial builds to sites requiring environmental review. GTA provides soil testing, subsurface investigation, and property condition assessments across Central New Jersey.

 

14 Worlds Fair Drive, Suite A
Somerset, NJ 08873
Phone: 732-271-9301

North Carolina

Charlotte, North Carolina

Fast paced metro projects often demand tight schedules and deep foundations. GTA supports Charlotte area developments with responsive geotechnical engineering and certified materials testing.


710 Peninsula Lane, Suite B
Charlotte, NC 28273

704-553-2300


Engineering services for North and South Carolina projects are performed by our affiliated entity, GTA Associates, Inc.

Greensboro (Triad), North Carolina

Projects across the Piedmont Triad often span industrial sites, commercial buildouts, and institutional expansions. GTA supports these regional needs with targeted subsurface investigations, permitting guidance, and materials testing.


3404 W. Wendover Avenue, Suite K
Greensboro, NC 27407

(336) 542-0143


Engineering services for North and South Carolina projects are performed by our affiliated entity, GTA Associates, Inc.

Raleigh, North Carolina

Serving the Research Triangle, GTA’s Raleigh team delivers comprehensive geotechnical engineering and environmental services. We specialize in navigating the region’s diverse geology for complex urban redevelopments and brownfield sites.


530 Hinton Pond Road, Suite 104
Knightdale, NC 27545

(984) 200-2104


Engineering services for North and South Carolina projects are performed by our affiliated entity, GTA Associates, Inc.

Ohio

Columbus, Ohio

Columbus continues to expand with industrial, warehouse, and commercial development. GTA supports this growth with soil testing, earthwork evaluation, and pavement design for large-scale sites.

 

4374 Tuller Road
Dublin, OH 43017
Phone: 614-362-1911

Northeastern, Ohio

Developments in Northeastern Ohio often face mixed geology, including rock and legacy industrial ground conditions. GTA resolves these regional challenges through specialized rock coring and retaining wall design.


12595 W. State Street, Suite B
Alliance, OH 44601

Pennsylvania

Philadelphia, Pennsylvania

Philadelphia sites require careful planning around existing structures and constrained urban footprints. GTA supports these dense developments with subsurface investigations, foundation repair insight, and environmental consulting.

 

1117 Ivy Hill Road
Philadelphia, PA 19150

Beaver Falls, Pennsylvania

Unknown subsurface risks are common across older industrial corridors. GTA isolates these liabilities before construction starts through rigorous soil testing and exploration.


3420 4th Avenue Suite 5
Beaver Falls, PA 15010

Pittsburgh, Pennsylvania

Steep grades and layered soils define construction in Pittsburgh. GTA evaluates these conditions with slope stability analysis and retaining wall design.

 

206 Bursca Drive
Bridgeville, PA 15017
Phone: 412-914-8081

Quakertown, Pennsylvania

Quakertown continues to grow with distribution and commercial development. Before grading or foundation work begins, GTA evaluates Quakertown sites through subsurface investigation and environmental review to reduce risk during construction.

 

2405 John Fries Highway
Building 3
Quakertown, PA 18951
Phone: 215-536-8363

 

Engineering services for New York projects are performed by our affiliated entity, GTA Engineering Services of New York, P.C.

Scranton/ Wilkes-Barre, Pennsylvania

Sites in Scranton and Wilkes-Barre often carry layers of prior use. Unpredictable fill and mixed soils can complicate site work. GTA evaluates these conditions through soil testing and environmental assessments before development begins.

 

3383 Bear Creek Blvd
Wilkes-Barre, PA 18702
Phone: 570-852-5033

York, Pennsylvania

Karst conditions in York can lead to sinkholes and unstable ground. GTA identifies these risks early through subsurface investigation and soil testing.

 

2405 John Fries Highway
1803 Mt. Rose Avenue
Suite A-1
York, PA 17403
Phone: 717-318-5451

South Carolina

Greenville, South Carolina

Supporting the fast-growing Greenville-Spartanburg metro and broader Carolinas, GTA provides responsive site testing and environmental consulting. Our local team specializes in subsurface evaluations for regional commercial and infrastructure developments.


1200 Woodruff Road Unit C-11
Greenville, SC 29607

864-520-1571

 

Engineering services for North and South Carolina projects are performed by our affiliated entity, GTA Associates, Inc.

Tennessee

Nashville, Tennessee

Development across Nashville frequently combines dense urban construction with sites that require extensive grading and foundation planning. GTA delivers geotechnical engineering services in Nashville, Tennessee through detailed subsurface investigation, soil testing, and construction materials testing, providing the data needed to guide design decisions and keep projects moving without delays.

 

230 Great Circle Road
Suite 244
Nashville, TN 37228
Phone: 615-432-2822

Texas

Dallas-Fort Worth, Texas

In Dallas–Fort Worth, site conditions often vary widely, with projects ranging from large distribution centers to multi-phase commercial developments. GTA provides geotechnical engineering services in Dallas–Fort Worth, Texas, combining subsurface investigation and soil testing to support informed foundation design and site planning.

 

850 Greenview Drive
Grand Prairie, TX 75050
Phone: 682-816-0008

Virginia

Fredericksburg, Virginia

Fredericksburg projects often sit between urban expansion and more rural site conditions, with varying soil profiles and increasing development activity along major corridors. GTA provides geotechnical engineering services in Fredericksburg, Virginia, using subsurface investigation and soil testing to support site planning, foundation design, and construction across the region.

 

27 McWhirt Loop, Unit 109
Stafford, VA 22406
Phone: 703-478-0055

Richmond, Virginia

Richmond projects often involve a mix of redevelopment, infrastructure upgrades, and new construction across varied site conditions. GTA provides geotechnical engineering services in Richmond, Virginia, supported by geotechnical consulting, foundation analysis, and construction materials testing to help teams move from planning through construction with reliable site data.

 

6717 Janway Road
Henrico, VA 23228
Phone: 804-716-6591

Sterling, Virginia

Sterling sits at the center of Northern Virginia’s ongoing data center and commercial growth, where projects often demand fast turnarounds and precise site data. GTA provides geotechnical engineering services in Sterling, Virginia, with soil boring and geotechnical reports to support site evaluation, environmental due diligence, construction testing, and natural resource considerations across the region.

 

43760 Trade Center Place
Suite 110
Sterling, VA 20166
Phone: 703-478-0055

Washington, D.C.

Washington, D.C.

GTA provides geotechnical engineering services in Washington, D.C., combining subsurface evaluation, environmental due diligence, construction-phase testing, and natural resource considerations to support complex urban development.

 

4750 Wisconsin Avenue, NW
Washington, DC 20016
Phone: 202-621-82535

Questions About Which Of Our Offices Is Best for You?

Do you have a project that you want to discuss with our expert team? Send us an inquiry and we will be happy to set up a conversation.