Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

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

Caird Sextant, LLC

Annandale, VA

From the Poles to the Tropics - and Everywhere in Between

WebsitePhone1 office5 projects2 publicationsFounded 2013Size Estimate: 1-9 employees

Project: LCS Full Ship Shock Trial - Environmental Mitigation

Service: Research and Development SupportService: Ocean Science ResearchService: Energy Technology EvaluationIndustry: DefenseIndustry: GovernmentType: Environmental Engineering+19 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

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

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

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

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

McCallum Testing Laboratories

Chesapeake, VA

Serving Individuals, Businesses, and Governmental Organizations Since 1928

WebsitePhone1 office20 projects8 leadersFounded 1928Size Estimate: 11-50 employees

Project: The Tide Light Rail Transit System

Service: Geotechnical EngineeringService: DrillingService: Field Inspection and TestingIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

Pons & Associates, LLC

Herndon, VA

Sustainable Solutions

WebsitePhone1 office8 projects3 leaders5 credentials1 publications

Project: Arbor Row Athletic Fields and Stream Restoration

Service: Geotechnical EngineeringService: Geotechnical Subsurface InvestigationsService: Foundation EngineeringIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+31 more

Potesta & Associates, Inc.

Charleston, WV

Professional engineering and environmental consulting services

WebsitePhone4 offices3 leaders2 credentialsFounded 1997Updated Jun 2026

Service detail: Civil Engineering and Site Design

Service: Civil Engineering and Site DesignService: Site DesignService: Roadway EngineeringIndustry: MiningIndustry: Oil & GasType: Civil Engineering+48 more

RS&H

Jacksonville, FL

Creating Tomorrow, Together.

Website74 offices3 leaders2 credentialsFounded 1941Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+25 more

Rox Engineering, Inc.

Vienna, VA

A Professional Engineering Firm Since 1986

WebsitePhone2 offices3 credentialsFounded 1986Updated Jun 2026

Service detail: Third-Party Inspections

Service: Third-Party InspectionsService: Structural Steel InspectionService: Soils Testing & InspectionIndustry: CommercialIndustry: GovernmentType: Environmental Engineering+15 more

Soil Consultants Engineering, LLC

Manassas, VA

Geotechnical Engineering | Inspections | Material Testing | Environmental Compliance

WebsitePhone1 office1 projects1 credentialsFounded 1960Size Estimate: 10-60 employees

Project: Vint Hill Data Center - OVH Cloud

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Soil AnalysisIndustry: Data CentersIndustry: GovernmentType: Geotechnical Engineering+20 more

Townes Site Engineering

Midlothian, VA

Dependable Civil Engineering, Surveying, and Environmental Services in Richmond, VA

WebsitePhone1 office5 projects4 credentialsFounded 1973Updated Jun 2026

Project: Metropolis Apartments

Service: Civil EngineeringService: Subdivision construction documentsService: Site and plan of development construction documentsIndustry: IndustrialIndustry: CommercialType: Civil Engineering+59 more

Triad Engineering, Inc.

Scott Depot, WV

Triad Listens, Designs & Delivers.

Website10 officesFounded 1975Size Estimate: 100-249 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Grading and Development PlansService: Stormwater ManagementIndustry: CommercialIndustry: ResidentialType: Civil Engineering+109 more

Zannino Engineering, Inc.

Glen Allen, VA

Innovative & Reliable

WebsitePhone1 office4 projects16 leaders10 credentialsFounded 1991

Project: Manchester Condos

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Foundation Design RecommendationsIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+25 more