Public engineering firm directory

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Chicago Testing Laboratory

Warrenville, IL

Delivering expertise and accuracy for over a century

Website4 offices5 credentialsFounded 1912Updated Jun 2026

Service detail: Construction Materials Testing

Service: Construction Materials TestingService: Asphalt & Asphalt Materials TestingService: Concrete TestingIndustry: InfrastructureIndustry: TransportationType: Materials Testing+9 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

Concord Engineering & Surveying Inc.

Concord, NC

Knowledgeable Partners. Leading with Expertise. Committed to Excellence.

Website1 office3 projects4 leaders2 credentialsFounded 1978Updated Jun 2026

Project: Fire Station 12

Service: Civil EngineeringService: Geotechnical EngineeringService: Construction Materials TestingIndustry: ResidentialIndustry: IndustrialType: Civil Engineering+16 more

Cooper Engineering Company, Inc.

Rice Lake, WI

Working with Communities

WebsitePhone1 office6 projectsUpdated Jun 2026

Project: Village of Dorchester Street Reconstruction

Service: Municipal EngineeringService: Community and Facility PlanningService: Grant Writing and AdministrationIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+44 more

Core Engineering & Consulting, Inc.

Fort Thompson, SD

Engineering with Integrity, Honesty & Highest Standard of Care

WebsitePhone1 office1 leaders4 credentialsFounded 2008Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Laboratory TestingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+21 more

Cornerstone Engineering, LLC

Clinton, MS

Bringing Together Ideas That Work

WebsitePhone2 offices1 projects3 leadersFounded 2017Size Estimate: 10-49 employees

Project: Clarke County Airport

Service: Civil EngineeringService: Water Resources EngineeringService: Drinking Water Systems DesignIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+30 more

DDS Engineering, PLLC

Bowling Green, KY

Founded in 1973, DDS Engineering, PLLC is the oldest continually operated engineering practice in Bowling Green, Kentucky. Serving South Central Kentucky and North Central Tennessee, it delivers land surveying, civil and geotechnical engineering, construction materials testing, and special inspection services to public agencies, private developers, and municipal, commercial, industrial, and residential clients.

WebsitePhone1 office14 leadersFounded 1973Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Geotechnical EngineeringService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+15 more

Despiau Associates Corp.

San Juan, PR

Founded in 1986, Despiau Associates Corp. is a San Juan, Puerto Rico geotechnical engineering practice and soil/geotechnical engineering laboratory. Since its founding, it has delivered foundation design, geotechnical investigation, materials testing, and construction inspection across more than 6,500 public and private projects throughout Puerto Rico, including Vieques and Culebra. Direct involvement in foundation supervision, analysis, and design spans more than 3,000 projects - roads, bridges, schools, parking facilities, residential and multi-story buildings, industrial facilities, and pharmaceutical plants. Alongside core geotechnical services, the practice offers environmental soil and groundwater characterization and forensic engineering and expert witness support for financial institutions, insurance companies, attorneys, and developers. Industries served include pharmaceutical, commercial, manufacturing, retail, waste management, and state, federal, and municipal government.

Website1 office2 leaders6 credentialsFounded 1986Updated Jun 2026

Service detail: Geotechnical Engineering Services

Service: Geotechnical Engineering ServicesService: Foundation DesignService: Pavement DesignIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+21 more

Development Facilitators, Inc.

Millersville, MD

Construction management, civil engineering, and land surveying services for public and private sector clients.

WebsitePhone1 office7 projects6 leaders14 credentialsUpdated Jun 2026

Project: Central Holding and Processing Center Facility, CM&I Services

Service: Construction Management and InspectionService: ADA Compliance InspectionService: Building Envelope and MEP Systems InspectionIndustry: CommercialIndustry: GovernmentType: Civil Engineering+45 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

EAS Professionals, Inc.

Greenville, SC

Geotechnical, Environmental, Surveying & Materials Testing Services

WebsitePhone4 offices9 projects2 leaders1 credentialsFounded 2003

Project: QuikTrip Multiple Locations

Service: Geotechnical EngineeringService: Subsurface Exploration & Geophysical TestingService: Foundation & Earth Retention DesignIndustry: RetailIndustry: TransportationType: Geotechnical Engineering+23 more

ECS

Asheville

YOUR GO-TO Engineering Consulting Partner

Website44 offices6 projects6 leadersFounded 1988Updated Jun 2026

Project: SK Innovation EV Battery Site

Service: GeotechnicalService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+39 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

ETTL Engineers & Consultants Inc.

Whitehouse, TX

ETTL Engineers & Consultants Inc. is a multidisciplinary engineering and consulting firm founded in 1965 and headquartered in Whitehouse (Tyler area), Texas. With over 100 employees across five offices in Texas and Arkansas, ETTL provides geotechnical engineering, construction materials testing, environmental consulting, drilling, and landfill services to industrial, commercial, governmental, and private clients throughout Texas and adjoining regions. ETTL maintains an accredited geotechnical and construction materials testing laboratory.

WebsitePhone4 offices6 leadersFounded 1965Size Estimate: 101+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface investigation and soil samplingService: Laboratory soil testingIndustry: IndustrialIndustry: GovernmentType: Geotechnical Engineering+23 more

Engineering & Research International, Inc.

Pavement, Geotechnical and Materials Engineers

Website5 projectsUpdated Jun 2026

Project: Utility Cut Patching Impact Study

Service: Pavement Management SystemsService: PMS Software ImplementationService: Distress SurveysIndustry: Highways & RoadsIndustry: AviationType: Civil Engineering+21 more

Engineering Plus, Inc.

Meridian, MS

Planning | Surveying | Testing | Landscape Design

WebsitePhone3 offices3 leaders1 credentialsFounded 1929Size Estimate: 1-25 employees

Service detail: Site Development

Service: Site DevelopmentService: Site GradingService: Site Design & LayoutIndustry: CommercialIndustry: RetailType: Civil Engineering+59 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

Enprotec / Hibbs & Todd, Inc. (eHT)

Abilene, TX

Civil, Environmental and Geotechnical Engineers Serving Texas Since 1989.

Website3 offices5 projectsFounded 1989Size Estimate: 10-50 employeesUpdated Jun 2026

Project: Upper Leon River MWD Water Treatment Plant

Service: Water Resources & TreatmentService: Water Supply Planning & DevelopmentService: Water Transmission / DistributionIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+28 more

Envirotech Engineering & Consulting, Inc.

Enid, OK

Quality Actions for Quality Clients

WebsitePhone3 offices2 projects3 leaders1 credentialsFounded 1992

Project: Oil & Gas Recycle Water Facilities Construction QA/QC

Service: Engineering, Design & PermittingService: Site DevelopmentService: Municipal Infrastructure DesignIndustry: Oil & GasIndustry: AgricultureType: Civil Engineering+29 more

FMG, Inc.

Rapid City, SD

Civil, Geotechnical, Surveying, Testing, Environmental

WebsitePhone1 office9 leaders1 credentialsFounded 1894Updated Jun 2026

Service detail: Civil Infrastructure

Service: Civil InfrastructureService: Municipal InfrastructureService: Water Resources and StormwaterIndustry: GovernmentIndustry: FederalType: Civil Engineering+36 more

Falcon Engineering, Inc.

Cary, NC

We are Falcon. Experience the difference.

WebsitePhone1 office15 projects1 leadersFounded 1992Updated Jun 2026

Project: Mist Lake Facilities Expansion

Service: Environmental ServicesService: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site Assessment (ESA)Industry: EducationIndustry: GovernmentType: Geotechnical Engineering+20 more

Federal Engineering & Testing, Inc.

Oakland Park, FL

Building Inspiring Spaces

WebsitePhone1 office2 credentialsFounded 1989Size Estimate: 5-50 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Drilling & Subsoil InvestigationsService: Geotechnical Engineering AnalysisIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+57 more

Fourrier & de Abreu Engineers, L.L.C.

Baton Rouge, LA

Solid waste, environmental, and geotechnical engineering services

WebsitePhone1 office4 projects3 leaders5 credentialsFounded 2016

Project: Tangipahoa Parish Regional Solid Waste Facility

Service: Environmental EngineeringService: Solid Waste Facility DesignService: Liner & Cap Engineered SystemsIndustry: Waste ManagementIndustry: IndustrialType: Environmental Engineering+30 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