Public engineering firm directory

Find engineering consulting firms by capability and location.

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AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026

Project: WMATA Bus System Renovations

Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more

AHA Marine Engineering

Nyack, NY

Your waterfront idea, our engineering expertise

WebsitePhone1 office2 leadersFounded 2023Updated Jun 2026

Service detail: Underwater Inspections

Service: Underwater InspectionsService: Waterfront Structural DesignService: Piers and Wharves EngineeringIndustry: MarineIndustry: Ports & HarborsType: Marine Engineering+17 more

AP Engineering & Consulting, Inc.

Greenfield, IN

AP Engineering & Consulting, Inc. (APEC) is a full-service geotechnical engineering, environmental consulting, compliance management, and construction materials testing firm based in Greenfield, Indiana. APEC's team of licensed professional engineers, geologists, and scientists delivers quality, efficient, and value-added solutions for commercial, residential, and municipal projects. Its INDOT-prequalified and AASHTO-certified in-house laboratory supports construction materials testing in accordance with ASTM and AASHTO standards.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationsService: Soil BoringsIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

AREHNA Engineering, Inc.

Tampa, FL

Innovative geotechnical, forensic structural, and materials testing services throughout Florida.

Website3 offices4 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Explorations and DrillingService: Sinkhole InvestigationsIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+22 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects2 leadersFounded 1975Size Estimate: 10-49 employees

Project: Pierre SD Wastewater Treatment Plant

Service: Civil Design and EngineeringService: Site Master Planning and LayoutService: Underground Utilities DesignIndustry: WastewaterIndustry: EducationType: Materials Testing+31 more

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Honolulu Rapid Transit Project

Service: Soil InvestigationService: Subsurface InvestigationService: Soil and Groundwater SamplingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more

Ardaman & Associates, Inc.

Orlando, FL

Meeting All Your Project Needs, Anywhere

WebsitePhone8 offices7 projectsFounded 1959Size Estimate: 100-300 employeesUpdated Jun 2026

Project: Ballpark of the Palm Beaches

Service: Geotechnical and Foundation EngineeringService: Subsurface exploration and boringsService: Foundation recommendationsIndustry: MiningIndustry: ChemicalsType: Civil Engineering+65 more

Aubrey Testing Materials Engineering

Hialeah, FL

Geotechnical, environmental, and materials testing services in South Florida

WebsitePhone1 office8 leaders4 credentialsSize Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Construction Material Testing

Service: Construction Material TestingService: Concrete Sampling and TestingService: Soil Density TestingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

Black Box Engineering, PLLC

New York, NY

Providing structural solutions for buildings of all shapes and sizes in NYC and its neighboring counties since 2018.

Website1 office3 leaders1 credentialsFounded 2018Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Structural Consulting and Design

Service: Structural Consulting and DesignService: New Construction and Renovation EngineeringService: Parking and Retaining Wall DesignIndustry: ResidentialIndustry: CommercialType: Structural Engineering+15 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

Bunnell-Lammons Engineering, Inc.

Greenville, SC

Technical Expertise for Tough Challenges

WebsitePhone4 offices5 projects9 leaders2 credentialsFounded 1996

Project: Harrah's Cherokee Casino Expansions

Service: Geotechnical EngineeringService: Geotechnical Investigations & Field ExplorationService: Foundation Design (Shallow & Deep Foundations)Industry: CommercialIndustry: IndustrialType: Geotechnical Engineering+25 more

Byer Geotechnical Inc.

Glendale, CA

Integrity Is Our Foundation

WebsitePhone1 office8 projects4 leadersSize Estimate: 18 employeesUpdated Jun 2026

Project: One Santa Fe

Service: Geologic & Soils EngineeringService: Single Family Residential ConstructionService: Residential Hillside SubdivisionsIndustry: ResidentialIndustry: Multifamily ResidentialType: Geotechnical Engineering+37 more

C.V. Associates NY; PE, LS, P.C.

Harriman, NY

Consulting Engineers & Land Surveyors

WebsitePhone7 offices9 projects1 leaders3 credentialsFounded 1995

Project: NYSDOT Biennial Bridge Inspection in New York State

Service: Maintenance InspectionsService: Biennial Bridge InspectionService: Large Culvert InspectionIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+20 more

CORE Environmental Consultants, Inc.

Buffalo, NY

Innovative Engineering & Environmental Solutions

WebsitePhone2 offices10 projects6 leaders20 credentialsFounded 2004

Project: Community Air Monitoring Parks - NYC Park Reconstruction Project

Service: Hazardous Materials ConsultingService: Asbestos Surveys and Abatement DesignService: Lead-Based Paint Inspections & Risk AssessmentsIndustry: GovernmentIndustry: TransportationType: Environmental Engineering+57 more

Carolinas Geotechnical Group, PLLC

Charlotte, NC

A Geotechnical Engineering Group Built for the Road Ahead

Website1 office5 projects5 leadersFounded 2018Size Estimate: 11-25 employeesUpdated Jun 2026

Project: Future US 74 (NCDOT A-0009C)

Service: Subsurface Exploration & InvestigationService: Geotechnical Drilling & BoringService: Cone Penetration Testing (CPT)Industry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+17 more

Catawba Valley Engineering & Testing, P.C.

Hickory, NC

Geotechnical engineering, environmental services, construction materials testing, and special inspections provider

Website2 offices6 leaders1 credentialsFounded 2012Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Exploration & TestingService: Geostructural DesignIndustry: CommercialIndustry: TransportationType: Geotechnical Engineering+14 more

Coleman Engineering Company

Iron Mountain, MI

Professional Engineering and Surveying

WebsitePhone3 offices4 credentialsFounded 1969Size Estimate: 100-200 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road and Highway DesignService: Water Supply and Distribution SystemsIndustry: GovernmentIndustry: FederalType: Civil Engineering+70 more

Comak Group, Inc.

Wellington, FL

Creating Solutions

WebsitePhone1 office1 leadersFounded 2017Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Value Engineering and QA/QCService: Construction Documents and Cost EstimatesIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+30 more

DHDC Engineering Consulting Services, Inc.

Columbus, OH

Providing cost-effective solutions to your engineering needs.

WebsitePhone2 offices15 projects4 leaders7 credentialsSize Estimate: 20+ employees

Project: City of Columbus Pump Station

Service: Geotechnical EngineeringService: Soil Borings and Subsurface InvestigationsService: Foundation, Retaining Structure, and Tunnel DesignIndustry: InfrastructureIndustry: TransportationType: Geotechnical 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

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

Edifica USA

Lake Forest, CA

Multi-discipline geotechnical, structural, and environmental engineering services

WebsitePhone2 offices1 projectsUpdated Jun 2026

Project: SPLA Port

Service: Geotechnical EngineeringService: Geotechnical Design and AnalysisService: Subsurface Exploration for InfrastructureIndustry: Ports & HarborsIndustry: Highways & RoadsType: Geotechnical Engineering+40 more

Endeavor Professional Services, LLC

State College, PA

Engineering Excellence for the Future

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering & Permitting

Service: Civil Engineering & PermittingService: Preliminary Site Scouting, Routing, and SelectionService: Facility DesignIndustry: Oil & GasIndustry: UtilitiesType: Civil Engineering+29 more