Public engineering firm directory

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A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+22 more

American Geotechnical & Environmental Services, Inc.

Canonsburg, PA

American Geotechnical & Environmental Services (A.G.E.S.), Inc. is a specialty engineering practice that provides comprehensive geotechnical design and environmental services. Headquartered in Canonsburg, Pennsylvania, with branch offices in King of Prussia, Pennsylvania, McLean, Virginia, and New Jersey, it has grown to become one of the largest specialty geotechnical consultancies in the northeastern United States. The practice focuses on delivering geotechnical engineering solutions for public infrastructure projects, including highways, bridges, transit, rail, aviation, and water resources.

WebsitePhone3 offices12 leaders1 credentialsFounded 1995Size Estimate: 70-99 employees

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Explorations and InstrumentationService: Soil and Rock Laboratory TestingIndustry: TransportationIndustry: TransitType: Geotechnical Engineering+11 more

BOZ Engineering Group

Falls Church, VA

From Foundation To Final Permit.

WebsitePhone1 office4 projects1 leaders3 credentialsFounded 2008

Project: DC 12-Unit Residential Development

Service: Structural EngineeringService: Residential & Commercial Structural DesignService: Load-Bearing Wall Analysis & RemovalIndustry: ResidentialIndustry: CommercialType: Structural Engineering+45 more

Building & Earth Sciences, Inc.

Birmingham, AL

The Benchmark for Professional Services

Website5 offices3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical ConsultingService: Subsurface ExplorationIndustry: CommercialIndustry: InfrastructureType: Geotechnical Engineering+37 more

DMY Engineering Consultants Inc.

Chantilly, VA

Reliable. Innovative.

WebsitePhone3 offices10 projects1 credentialsFounded 2009Updated Jun 2026

Project: Dulles Corridor Silver Line Metrorail Project Phase II

Service: Geotechnical EngineeringService: In-House Geotechnical Drilling and TestingService: Foundation Analysis and DesignIndustry: TransportationIndustry: WastewaterType: Geotechnical Engineering+23 more

Dulles Engineering, Inc.

Sterling, VA

Your Trusted Partner in Quality Control & Geotechnical Solution

WebsitePhone1 office8 projects1 leaders7 credentialsFounded 2017

Project: New Frederick Douglass Memorial Bridge and Suitland Parkway / I-295 Interchange

Service: Geotechnical EngineeringService: Construction Materials TestingService: Laboratory TestingIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+6 more

Dulles Geotechnical and Materials Testing Services, Inc.

Chantilly, VA

Geotechnical engineering, construction inspection, materials testing, and software solutions

WebsitePhone4 offices10 projects7 credentialsFounded 2012Size Estimate: 70+ employees

Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Service: Geotechnical EngineeringService: Engineering Analysis and DesignService: Foundation DesignIndustry: Highways & RoadsIndustry: TransitType: Geotechnical Engineering+36 more

EBA Engineering, Inc.

Laurel, MD

Results With No Excuses

WebsitePhone5 offices3 projects1 credentialsFounded 1981Updated Jun 2026

Project: HSWA Non-Revenue Water Tracking Project

Service: Civil / Site EngineeringService: Environmental EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+27 more

ECS Group of Companies

Chantilly, VA

Your Go-To Engineering Consulting Partner

Website1 office6 projects1 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: SK Innovation EV Battery Site

Service: Geotechnical EngineeringService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+48 more

Engineering Materials Technologies, Inc.

Manassas, VA

Quality Matters

WebsitePhone1 office4 projects5 leadersFounded 1997Updated Jun 2026

Project: Ronald Reagan Washington National Airport (DCA) Geotechnical and Special Inspections

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Problem Soil EvaluationIndustry: AirportsIndustry: Highways & RoadsType: Geotechnical Engineering+31 more

Engineering and Testing Services, Inc.

Hampton Roads, VA

Local Experience, Local Team, Locally Focused

WebsitePhone1 office10 projects2 credentialsFounded 2002Size Estimate: 1-25 employees

Project: Old Dominion University

Service: Geotechnical EngineeringService: Drilling ServicesService: Preliminary and General StudiesIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+21 more

Froehling & Robertson

Richmond, VA

Froehling & Robertson (F&R) is a geotechnical engineering, environmental consulting, and materials testing firm headquartered in Richmond, Virginia. With more than 70 years of subsurface exploration experience, F&R serves clients across the Mid-Atlantic and Carolinas through an in-house fleet of drill rigs, soils laboratories, and an interdisciplinary team of engineers, geologists, scientists, and inspectors. Core services span geotechnical engineering, environmental consulting, construction materials testing, geostructural monitoring, drilling, and specialty engineering.

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationsService: Foundation EngineeringIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+22 more

G-ES, LLC

Powhatan, VA

Engineer - Design - Inspect

WebsitePhone2 offices1 leadersFounded 2010Updated Jun 2026

Service detail: In-Situ Testing

Service: In-Situ TestingService: Soil Boring & TestingService: Construction Materials TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+9 more

GEO Consultants Corporation

Kevil, KY

Providing Environmental, Geological Engineering and Planning Solutions Since 1997

WebsitePhone4 offices13 leadersFounded 1997Updated Jun 2026

Service detail: Environmental Consulting & Compliance

Service: Environmental Consulting & ComplianceService: Environmental ComplianceService: Groundwater CharacterizationIndustry: Environmental & RemediationIndustry: GovernmentType: Environmental Engineering+19 more

Gall Zeidler Consultants

Ashburn, VA

Innovative tunnel, geotechnical, and underground engineering solutions

WebsitePhone10 offices7 projects3 leaders7 credentialsUpdated Jun 2026

Project: Potomac River Tunnel

Service: Tunnel and Underground Engineering DesignService: Reference and Detailed DesignService: Design Concepts, Options and FeasibilityIndustry: TunnelsIndustry: TransitType: Civil Engineering+25 more

Geo-Technology Associates, Inc.

Laurel, MD

Growing Together To Enhance Our Built Environment

WebsitePhone28 offices5 projectsSize Estimate: 600 employeesUpdated Jun 2026

Project: Ewing Town Center

Service: Geotechnical ServicesService: Construction ServicesService: High-Rise Building ConstructionIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+13 more

GeoEnvironmental Resources, Inc.

Virginia Beach, VA

Professional consulting engineering specializing in geotechnical, environmental, groundwater, and industrial services.

WebsitePhone1 office5 projectsFounded 1992Updated Jun 2026

Project: Virginia Beach Convention Center

Service: Environmental EngineeringService: Phase I, II & III Environmental Site AssessmentsService: NEPA Documentation (CE, PCE & EA)Industry: Environmental & RemediationIndustry: GovernmentType: Geotechnical Engineering+41 more

Global Geotechnical Consultants, LLC

Woodbridge, VA

Innovative Engineering with Quality Service

WebsitePhone1 office4 projects1 leaders3 credentialsFounded 2012

Project: Dulles Metro Silver Line Phase II

Service: Geotechnical EngineeringService: Geotechnical Exploration and AnalysisService: Retaining Wall DesignIndustry: TransportationIndustry: CommercialType: Geotechnical Engineering+23 more

Godwin Engineering

Winchester, VA

Engineering | Surveying | Planning

WebsitePhone1 officeFounded 2007Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: SurveyingService: PlanningIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+19 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

Hillis-Carnes Engineering Associates

Annapolis Junction, MD

Your Foundation for Success

WebsitePhone21 offices7 projects3 leaders3 credentialsFounded 1993

Project: Anthem House Luxury Residential Development

Service: Geotechnical EngineeringService: Subsurface investigations and soil boringsService: Foundation design recommendationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+56 more

Hurt & Proffitt, Inc.

Lynchburg, VA

Inspired, Responsive, and Trusted

WebsitePhone7 offices20 leadersFounded 1973Size Estimate: 100-499 employeesUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Geotechnical EngineeringIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+20 more

Infrastructure Consulting & Engineering, LLC

West Columbia, SC

A Full Service Transportation Consulting and Design Firm

WebsitePhone15 offices6 projects5 credentialsFounded 2005Size Estimate: 500-1,000 employees

Project: NC-540 (Triangle Expressway SE Extension)

Service: Roadway and Highway DesignService: Roadway widening and extensionService: Major interchange and intersection designIndustry: TransportationIndustry: GovernmentType: Civil Engineering+85 more

InnovoGeo Engineering

Powhatan, VA

InnovoGeo Engineering is a civil and geotechnical engineering firm based in Powhatan, Virginia, serving clients across Central Virginia and beyond. InnovoGeo provides foundation design, slope stability analysis, dam safety inspections, forensic engineering, stormwater management, and solar project consulting, using advanced in-situ testing equipment including seismic cone penetration testing and flat dilatometer testing. Licensed in Virginia and North Carolina.

WebsitePhone1 office1 leaders3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Seismic Cone Penetration Testing (SCPTu)Service: Flat Dilatometer Testing (DMT)Industry: ResidentialIndustry: Land DevelopmentType: Geotechnical Engineering+22 more