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