Growing Together To Enhance Our Built Environment
Geotechnical Engineering Services
We are a client-focused geotechnical engineering company and engineering consultant that provides comprehensive services across a variety of markets, including geotechnical, environmental, drilling, and construction materials testing.
Careers
We know that our employees are the reason for our significant technical capabilities and high client satisfaction. Join our team and grow with a leading geotechnical engineering consulting firm.
Locations
We maintain 30 autonomous offices across the Mid-Atlantic, Midwest, Southeast, and Texas regions, each of which are responsive to local clients and market demands.
About GTA
Established more than 40 years ago, GTA is a client-focused geotechnical consulting firm that provides comprehensive services to residential, commercial, institutional, industrial, and energy clients, as well as architects, engineers, contractors, and government agencies.
With more than 600 engineers, geologists, scientists, technicians, and support personnel, GTA has the resources and expertise to deliver practical and effective solutions through a client’s project delivery.
Featured Projects
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Ewing Town Center
Mercer County, NJ
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Two Rivers PUD, 1.0 MG Water Tank
Anne Arundel County, MD
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1435 10th Street, Fort Lee
Bergen County, NJ
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Pinegrove
La Plata, Charles County, MD
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First Park 417
Orlando, Florida
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Abbey Place Medical Office Building
Charlotte, NC
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Two Rivers 1,468-Acre PUD
Anne Arundel County, MD
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South Williamsport and Williamsport Levees
Lycoming County, PA
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Dorchester View/ Dorchester Woods
Anne Arundel County, MD
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Cardinal Grove Retaining Wall
Prince William County, VA
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Parkside at Warfield
Carroll County, MD
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Perkins Homes
Baltimore City, MD
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Rehoboth City Hall
Sussex County, DE
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Ronald McDonald House
Baltimore City, MD
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Summerfield Crossing
Montgomery County, MD
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Hanover Ridge Trade Center
Luzerne County, PA
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The Edge Apartments
Montgomery County, MD
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Honeygo Run Reclamation Center
Baltimore County, MD
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Harford Waste Disposal Center
Harford County, MD
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Water Tank – Wireless Communication
Richmond, VA
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McNeil Court Townhomes
Greenville, SC
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Yard 56
Baltimore City, MD
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Sportika
Monmouth County, NJ
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Avocet Tower
Montgomery County, MD
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US Rt. 301 Section 1B and 1D Natural Gas Pipeline Relocation
New Castle County, Delaware
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Germantown Academy, Fort Washington, PA
Fort Washington, PA
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Union Mill
Baltimore, MD
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Medical Office at East Run
St. Mary’s County, MD
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FedEx Ground Facility – Hermitage
Mercer County, PA
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Bulle Rock Golf Course and Residential Community
Havre de Grace, MD
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Soil-Cement Stabilization for CNX Well Pads
Various Locations – Pittsburgh, PA
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Carrier Clinic Expansion
Belle Mead, NJ
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Atria Cary Independent Senior Living
Cary, Wake County, North Carolina
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Former Incediary Bomb Plant
Southern NJ
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Wilmington Country Club Water Impoundment Structure
Wilmington, DE
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430 Market Street
Newark, NJ
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Levee Relief Well Testing & Rehabilitation Services
Baltimore, MD
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Bay Forest Club
Sussex County, DE
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Retaining Wall at Box Hill
Harford County, MD
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5815 Westpark Drive
Charlotte, NC
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Green Elementary School – Uniontown
Uniontown, Ohio
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Lake Linganore Community and Town Center
Frederick County, MD
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Wastewater Treatment Plant Equalization Basin
City of Monroe, North Carolina
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Bay Bridge Automatic Lane Closure System
Queen Anne’s County, MD
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Mariner Bay at Annapolis Towne Centre, Building 2
Anne Arundel County, MD
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Point Street Apartments
Baltimore City, MD
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ONE 22 ONE Office Tower
Davidson County, TN
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Sweet Air Park
Baltimore County, MD
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Dry Cleaner Site
Alexandria, VA
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Lewes Transit Center, Park & Ride
Sussex County, DE
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The Residences at Mid-Town Park
Wilmington, DE
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Dover Behavioral Health Center Additions
Kent County, DE
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Rubble Landfill Closure, Spencer's East Site
Harford County, MD
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MICA, 100 Dolphin Street
Baltimore City, MD
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The Shops At Canton Crossing
Baltimore, MD
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Bliss Project (Buildings 8 & 9)
Luzerne County, PA
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Johnson Controls York County Office and Test Lab Campus
Shrewsbury, PA
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Stream and Wetland Mitigation Services
York County, PA
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Principio Business Park & Warehouses
Cecil County, MD
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LVHN Hazleton Oncology Building
Luzerne County, PA
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The Brick Yard
Prince George’s County, MD
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I-495 Emergency Bridge Repairs
Wilmington, DE
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Wyoming Valley Relief Well Pump Testing
Luzerne County, PA
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Hyatt Place
Baltimore, MD
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Discount Tire Wildwood
Wildwood, Florida
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Green Elementary and Middle Schools
Uniontown, Stark County, OH
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Riverside Wharf
Baltimore City, MD
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6410 Arlington Boulevard
Falls Church, VA
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Waugh Chapel South, Building 11
Crofton, MD
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CarMax Property Pulaski Highway
Baltimore County, MD
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Two Glenwood Pre-cast Parking Structure
Raleigh, Wake County, NC
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Alcove (900 Church Street)
Nashville, Davidson County, Tennessee
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Camelback Ski Resort Lodge & Indoor Waterpark
Tannersville, PA
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Belmont University Medical School
Nashville, Davidson County, Tennessee
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Salem County Landfill, Cell #9 Expansion
Salem County, NJ
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Urban Outfitters and Proposed Hotel Sites in Gap
Lancaster County, PA
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SpringHill Suites Uptown Hotel
Charlotte, NC
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Cape Henlopen Medical Center
Sussex County, DE
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Riverside East Business Park
Harford County, MD
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LVHN – Specialty Care Pavilion
Northampton County, PA
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Sunrise Pipeline Landslide Remediation
PA and WV
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Beaver Heights Slope Stability Evaluation
Prince George’s County, MD
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Rogers Ford Stream Restoration
Harford County, MD
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Laurel Elementary School
Sussex County, DE
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Natural Gas Pipeline Expansion
Kent County, DE
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Trails at Beech Creek
Harford County, MD
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APG, Littoral Warfare Environmental Test Facility
Aberdeen Proving Ground, MD
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Thomas Petroleum, Diesel Fuel Distribution Facility
Williston, ND
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Liberty Harbor East
Baltimore City, MD
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Bush Creek 6.5 Mile Sewer Installation
Frederick County, MD
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M-NCPPC Wheaton Headquarters
Montgomery County, MD
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Proposed Residential Development
Chester County, PA
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Shoreline Restoration at Sunset Island
Ocean City, MD
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New Windsor Quarry
Carroll County, MD
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Indian River Inlet Bridge
Sussex County, DE
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The Highlands
Arlington County, VA
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Scannell Triangle Brick Redevelopment
Durham, Durham County, North Carolina
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2100 S. Tryon Street, Mecklenburg County, NC
Mecklenburg County, NC
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Pipeline Expansion and Compressor Station Upgrade
Chester Co., PA and New Castle Co., DE
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NRG Energy, Indian River Plant AQCS
Sussex County, DE
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Naval Weapons Station Earle, Water Storage Tank Replacement
Monmouth County, NJ
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Jackson Village
Spotsylvania County, VA
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Home2Suites by Hilton
Seminole County, Florida
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Chemours Discovery Hub
Newark, DE
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Four Seasons Hotel & Legg Mason Office – Environmental Focus
Baltimore City, MD
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Plantation Lakes
Sussex County, DE
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H.T. Nova
Caroline County, VA
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Fountaindale Groundwater Supply System Operational Testing
Frederick County, MD
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Dogfish Head Brewery
Sussex County, DE
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Village South at Waugh Chapel
Anne Arundel County, MD
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Atwater Village
Chester County, PA
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Yorkville Road Slope Failure Evaluation
Prince George’s County, MD
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Big Chill Beach Club
Sussex County, DE
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H & S Bakery, Distribution Center at Hollander Ridge
Baltimore City, MD
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One Maryland Broadband Network
Statewide, MD
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Four Seasons Hotel & Legg Mason Complex
Baltimore, MD
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Volusia County Commercial Site
Daytona Beach, Volusia County, Florida
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Mine Road Bridge
Stafford County, VA
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Historic Building – Wireless Services
Roanoke, VA
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Sand & Gravel Mining Site Potential Redevelopment
Charles County, MD
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Taylor Farm
Washington County, MD
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Core5 Logistics Center at Codorus Creek
York County, PA
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Arm & Hammer Facility
York County, PA
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Charter School Revetment Wall
Bronx, NY
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Town of Berlin, Wastewater Treatment Plant Upgrade, Spray Irrigation
Worcester County, MD
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Westchester Medical Center
Westchester County, NY
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Highway 274 Force Main Replacement
York County, SC
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Avalon 555 President
Baltimore City, MD
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Great Wolf Lodge
Cecil County, MD
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I-77 Commerce Center, Flex Building
Mecklenburg County, NC
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Wyndermere Townhomes
Greenville, SC
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Endurance Olyphant Warehouse
Lackawanna County, PA
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State Road, Seasons Road, and Wyoga Lake Road at “The Triangle”
Cuyahoga Falls, Summit County, OH
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Beasley Preserve
Seminole County, Florida
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Paulsboro Marine Terminal Phase 2
Gloucester, NJ
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Sussex Consortium School
Sussex County, DE
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Natural Gas Pipeline Relocation
New Castle County, DE
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Blue Ridge Lot 1
Carbon County, PA
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Lancaster Newspaper Parking Structure
Lancaster, PA
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Macon Pond – Medical Office Building and Parking Structure
Raleigh, Wake County, North Carolina
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Curwensville Dam Relief Wells
Curwensville, PA
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Iron Peak Sports and Events
Somerset, NJ
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Charleston Naval Weapons Station
Charleston, SC
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Merritt Capital Business Park
Wake Forest, Wake County, North Carolina
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Union Bridge Quarry Replacement
New Windsor, MD
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New Castle WWTP Project
New Castle, Lawrence County, PA
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Northwood Commons / MSU Public Safety Building
Baltimore City, MD
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New Kent City Center, Forge Logistics
New Kent County, VA
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The Uplands Retaining Walls, Phase 9-12
Prince George’s County, MD
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Project Yellow Jacket – Warehouse Facility
Perrysburg Township, Ohio
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FedEx Ground Facility – Wooster
Wayne County, OH
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Miller’s Court
Baltimore, MD
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Harper’s Mill
Chesterfield County, VA
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Heartland (Marsh View) Dental – Narcoossee
St. Cloud, Florida
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Peach and Apple Orchard
Gloucester County, NJ
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Cured Meat Facility
Freeland, PA
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Cedar Hill Mixed-Use Community
Anne Arundel County, MD
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PSTA
Rockville, Montgomery County, MD
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Additional Stream & BMP Facility Monitoring Project
Montgomery County, MD
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Three City Center
Allentown, PA
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University Terrace
Washington, D.C.
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21-Mile Pipeline Installation, Third Party Independent Environmental Monitor Support
Baltimore and Harford Counties, MD
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Guardian House Apartments
Baltimore City, MD
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Beech Creek
Harford County, MD
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Comfort Inn Bank Stabilization & Stream Restoration
Prince George’s County, MD
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3060 South 61st Street, Phila., PA.
Phila., PA.
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Tru by Hilton
Sussex County, DE
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Creekside Village
Anne Arundel County, MD
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FedEx Ground Facility
Wooster, Ohio
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Piazza Alta – Phase 2 (Buildings B & G), Philadelphia, PA
Philadelphia, PA
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Crescent Business Center
Hanover County, VA
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Fitness Facility
Chester County, PA
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Bloc[83] Retail/Office Tower and Parking Garage
Raleigh, Wake County, North Carolina
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River Utility Crossing
Talbot and Caroline Counties, MD
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Bowie Army Reserve Center, White Plains
Charles County, MD
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Woodbridge High School
Sussex County, DE
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Additional Sample Class V Stormwater Well Projects
Lycoming County, PA
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Third Party Utility Inspection Services
Frederick County, MD
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Prime (801 Church Street)
Nashville, TN
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Warehouse Site
Northampton County, PA
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Ballard Green
Baltimore County, MD
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Horseshoe Casino
Baltimore, MD
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Sycamore Ridge
City of Frederick, MD
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109-111 Pine Street, Phila., PA.
Phila., PA.
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Mill Creek Stream Restoration
Cecil County, MD
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The Heritage
Calvert County, MD
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Wanaque Municipal Building
Wanaque, NJ
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Reserve at Fair Hill
Montgomery County, MD
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1769 Jerome Avenue
Bronx Borough, NY
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The Resurgent – North Carolina A&T Real Estate Foundation
Greensboro, North Carolina
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Union Wharf
Baltimore, MD
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One Glenwood Office Tower
Raleigh, Wake County, NC
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Frederick D. Thomas Middle School
Sussex County, DE
News & Events
Stay up to date with company news, industry insights, and project highlights from one of the region’s most trusted geotechnical engineering companies.
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