Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026

Project: Minnesota Zoo Treetop Trail

Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 more

B2Z Engineering, LLC

Mission, TX

Building a Better Texas

Website5 offices3 projects1 credentialsFounded 2009Size Estimate: 20-75 employeesUpdated Jun 2026

Project: US 77 Geotechnical Investigation

Service: Plans, Specifications & Estimates (PS&E)Service: Highway and Road DesignService: Bridges and Structural DesignIndustry: Highways & RoadsIndustry: GovernmentType: Civil Engineering+38 more

Bay Area Geotechnical Group

San Jose, CA

Geotechnical and environmental engineering solutions that balance cost and risk.

WebsitePhone1 office7 credentialsFounded 1988Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Geotechnical Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+25 more

Bob Taylor Engineering, Inc.

Lexington Park, MD

Bob Taylor Engineering, Inc. (BTE) is a Lexington Park, Maryland-based geotechnical engineering and construction materials testing firm. Founded in 1981, BTE delivers construction inspection and testing services for concrete, soils, asphalt, and aggregate. BTE maintains an accredited laboratory and a certified technical staff holding ACI, MARTCP, AASHTO, ASTM, and MDE credentials, and serves transportation, highway, airfield, and public-sector clients across southern Maryland.

WebsitePhone1 office1 projects2 leaders26 credentialsFounded 1981

Project: Lead Coffin Crypt Project at Historic St. Mary's City

Service: Construction Inspection and TestingService: Concrete TestingService: Soils TestingIndustry: Highways & RoadsIndustry: AviationType: Geotechnical Engineering+7 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

CSI Engineering

Portsmouth, NH

CSI Engineering is an MEP/FP engineering design practice based in Portsmouth, New Hampshire. Founded in 1996, CSI Engineering began by supporting general and mechanical contractors with coordination drawings, as-built drawings, and design-build projects. In 2007, CSI Engineering expanded into full MEP/FP engineering services for architects, contractors, developers, municipalities, and the military. The three principal engineers are involved directly in every project, bringing construction-background perspective to building systems design. CSI Engineering's primary service area is New England, with completed projects extending to other US states and internationally.

WebsitePhone1 office3 leadersFounded 1996Updated Jun 2026

Service detail: HVAC Design

Service: HVAC DesignService: New construction systemsService: Existing system renovationsIndustry: EducationIndustry: HealthcareType: MEP+27 more

CSI Geo, Inc.

Jacksonville, FL

No Slogan… Just Results

WebsitePhone1 office5 projects5 leaders12 credentialsFounded 2007

Project: Herbert Hoover Dike

Service: Geotechnical EngineeringService: Soils Survey and Geotechnical InvestigationService: Deep and Shallow Foundation AnalysisIndustry: AirportsIndustry: BridgesType: Geotechnical Engineering+38 more

Chamlin & Associates

Peru, IL

Shaping communities with integrity, expertise, and purpose.

WebsitePhone3 offices2 projects4 leaders1 credentialsFounded 1952

Project: Spring Valley Wastewater Treatment Plant

Service: Land SurveysService: Boundary SurveysService: Construction LayoutIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+35 more

Clark & Enersen

Lincoln, NE

Clark & Enersen is a full-service multidisciplinary architecture and engineering practice founded in 1946 in Lincoln, Nebraska. With more than 80 years of practice, Clark & Enersen brings together architects, engineers, interior designers, and landscape architects under one roof to deliver integrated design solutions for clients across the country and internationally. The practice operates eight office locations and maintains a team of over 180 professionals across disciplines including architecture, civil, structural, mechanical, and electrical engineering.

Website1 officeFounded 1946Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: ProgrammingService: Schematic DesignIndustry: HealthcareIndustry: Life SciencesType: Architecture & Engineering+30 more

Cornwell Engineering Group, Inc.

Hampton, VA

Recognized as a national leader in water treatment.

WebsitePhone1 office1 leaders2 credentials8 publicationsFounded 1985

Service detail: Water Treatment Plant Design

Service: Water Treatment Plant DesignService: Pilot Plant StudiesService: Plant TroubleshootingIndustry: Water SupplyIndustry: WastewaterType: Environmental Engineering+25 more

Cosey Engineering & Consulting LLC

Inverness, FL

Fire Protection Engineering Firm Serving Nationwide. Locally positioned in Florida and South Carolina.

WebsitePhone1 office2 leaders5 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Fire Code Consultation

Service: Fire Code ConsultationService: Building Fire Code ReviewService: Regulatory Compliance GuidanceIndustry: CommercialIndustry: IndustrialType: Fire Protection Engineering+13 more

DTM Tech Inc.

DTM Tech Inc. is a consulting engineering firm providing HVAC, electrical, plumbing, and fire protection design for public and private sector clients across the United States and internationally. Its services span high-performance building design for aviation, commercial, educational, government, industrial, mission-critical, multifamily, and senior living facilities.

Website7 credentialsUpdated Jun 2026

Service detail: HVAC Design

Service: HVAC DesignService: Central Energy Plants and District CoolingService: Air Distribution SystemsIndustry: AviationIndustry: CommercialType: MEP+34 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

DiDonato Associates Engineering and Architecture, P.C.

Buffalo, NY

Responsive. Honest. Accurate.

WebsitePhone1 office7 projects10 leaders14 credentialsFounded 1965

Project: Main Street Revitalization - Cars Sharing Main

Service: Civil EngineeringService: Roadway Rehabilitation / Complete StreetsService: Site / Civil DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+53 more

EMK Vehicle Dynamics, LLC

Buffalo, NY

Automobile Vehicle Dynamics Engineering and Simulation Consulting

Website1 office2 projects1 leaders4 credentials3 publicationsFounded 2014

Project: Formula SAE Tire Test Consortium

Service: Vehicle Dynamics ConsultingService: Tire TestingService: Test Planning and LogisticsIndustry: AutomotiveIndustry: Research FacilitiesType: Mechanical Engineering+24 more

Earth Mechanics, Inc.

Fountain Valley, CA

Engineering resilience for a safer future

WebsitePhone4 offices5 projects11 leaders20 credentials4 publications

Project: Superior Avenue Pedestrian-Bicycle Bridge & Parking Lot

Service: Geomechanical & SeismologyService: Soil MechanicsService: Rock MechanicsIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+35 more

Encorus Group Engineering, P.C.

Springville, NY

Design, Build, and Sustain a Better World

WebsitePhone5 offices5 projects7 leaders4 credentialsFounded 1996

Project: West Valley Demonstration Project

Service: Engineering and Architectural DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+46 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

Environmental Science Corporation

Honolulu, HI

Environmental Science Corporation (ESC) is a US-based multinational engineering and consulting practice. It provides architect-engineering design, geotechnical engineering, geophysics, topographic surveys, technical inspections, and environmental services across Hawaii, Guam, Japan, and other Pacific locations. With offices in Tokyo, Okinawa, Misawa, and Guam, ESC supports military and government facility engineering, Pacific island infrastructure development, and multilingual project execution.

Website6 offices3 projects7 leadersSize Estimate: 25-150 employeesUpdated Jun 2026

Project: Okinawa Branch Office Solar Installation

Service: Architect-Engineering DesignService: Civil DesignService: Sustainable Design DevelopmentIndustry: DefenseIndustry: GovernmentType: Architecture & Engineering+42 more

Eustis Engineering L.L.C.

New Orleans, LA

Where Experience Meets Innovation

WebsitePhone1 office6 leaders21 credentialsFounded 1946Size Estimate: 100+ employees

Service detail: Geotechnical Exploration & Laboratory Testing

Service: Geotechnical Exploration & Laboratory TestingService: Geotechnical EngineeringService: Geotechnical InstrumentationIndustry: Stormwater & Flood ControlIndustry: TransportationType: Geotechnical Engineering+12 more

FloorSciences

Atlanta, GA

Technical Flooring Consulting & Concrete Testing

WebsitePhone1 office4 projects1 leaders11 credentials2 publications

Project: Fort Belvoir Community Hospital Flooring Evaluation

Service: Consulting and Expert ServicesService: ConsultingService: Expert WitnessIndustry: CommercialIndustry: RetailType: Forensic Engineering+57 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

HED

Boston, MA

Because great design is more than what we do. It's who we are.

Website8 officesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Electrical EngineeringService: Mechanical & Plumbing EngineeringIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+18 more