Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Design and AnalysisService: Cast-in-Place ConcreteIndustry: CommercialIndustry: RetailType: MEP+81 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publicationsFounded 1979Size Estimate: 200-250 employeesUpdated Jun 2026

Project: Haven Hollow Park Improvements

Service: Civil EngineeringService: Stormwater ManagementService: Utility EngineeringIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+57 more

Akana

Portland, OR

Engineering, Design & Construction Services, Plus Advisory and Grant Support

WebsitePhone5 offices5 projects1 leadersUpdated Jun 2026

Project: New Taholah K-12 School

Service: Engineering ServicesService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+34 more

Alpha Corporation

Dulles, VA

Where Engineering Meets Adventure

WebsitePhone1 office3 projects6 leaders4 credentialsFounded 1979

Project: Hampton Roads Bridge-Tunnel (HRBT) Expansion Design-Build Project

Service: Engineering DesignService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: TransportationType: Civil Engineering+28 more

Atane Consulting

New York, NY

Excel. Together.

WebsitePhone10 offices7 projects17 leaders17 credentialsUpdated Jun 2026

Project: Bloomingdale Road Reconstruction

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+33 more

Athavale, Lystad & Associates, Inc.

McLean, VA

Innovative Engineering Solutions for the Mid-Atlantic

WebsitePhone2 offices16 projects6 leadersFounded 1985Size Estimate: 1-25 employees

Project: Telegraph Road Bridge Rehabilitation and Widening

Service: Structural EngineeringService: Bridge DesignService: Pedestrian Bridge DesignIndustry: TransportationIndustry: GovernmentType: Civil Engineering+21 more

BBIX, LLC

Boston, MA

Trusted Design and Engineering Solutions for Federal Projects

WebsitePhone3 offices1 credentialsUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: New construction designService: Building renovation and rehabilitationIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+29 more

BETA Group, Inc.

Improving Communities Together

Website3 projects73 leaders1 credentialsFounded 1982Updated Jun 2026

Project: PCB Investigation, Remediation, and Visioning for City Pier

Service: Transportation and Traffic EngineeringService: Urban Design, Land Planning, and Landscape ArchitectureService: Water and Wastewater EngineeringIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+18 more

Bartlett & West

Topeka, KS

Forward, Together

WebsitePhone1 office12 projectsFounded 1951Size Estimate: 200-500 employeesUpdated Jun 2026

Project: Missouri DOT Climbing Lane Design

Service: Transportation EngineeringService: Roadway and Highway DesignService: Climbing Lane and Intersection DesignIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+67 more

Barton & Loguidice

Syracuse, NY

The Experience to Listen. The Power to Solve.

WebsitePhone1 office5 projects1 leaders5 credentials5 publications

Project: Rome Water Pollution Control Facility Anaerobic Digestion and Combined Heat and Power Improvements

Service: Water ResourcesService: Water Supply EngineeringService: Wastewater & Water Resource RecoveryIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+61 more

Biggs Cardosa Associates, Inc.

Reshaping California's infrastructure through innovative structural engineering and design

Website8 projects19 leaders5 credentialsSize Estimate: 100+ employeesUpdated Jun 2026

Project: Leimert Bridge Seismic Retrofit

Service: Structural EngineeringService: Structural DesignService: Seismic RetrofitIndustry: BridgesIndustry: Highways & RoadsType: Structural Engineering+21 more

Byson Solutions Group Corp

Corpus Christi, TX

Multi-Discipline Engineering Solutions Built on Experience

WebsitePhone1 office2 leadersFounded 2019Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Pump and Mechanical SystemsService: Marine ApplicationIndustry: CommercialIndustry: GovernmentType: Automation & Controls+36 more

C.S. Davidson, Inc.

York, PA

Engineering A Better Community

WebsitePhone3 offices7 projects3 leadersFounded 1923Size Estimate: 50-249 employees

Project: Memorial Park - Poorhouse Run Stream Restoration

Service: Municipal EngineeringService: Roadway & Street DesignService: Stormwater ManagementIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+26 more

CBS Squared, Inc.

Minneapolis, MN

Engineers, Architects, Surveyors & Grant Writers

WebsitePhone5 offices5 projects2 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Milwaukee Readiness Center

Service: Municipal EngineeringService: Water system design and improvementsService: Wastewater collection and treatment designIndustry: GovernmentIndustry: Highways & RoadsType: Architecture & Engineering+71 more

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

Cedar Corporation

Cedarburg, WI

Community Infrastructure, Architectural & Environmental Services

WebsitePhone5 offices8 projects7 leadersUpdated Jun 2026

Project: iMark Molding Site Design

Service: Municipal EngineeringService: Industrial Park and Commercial Site DesignService: Capital Improvement PlansIndustry: GovernmentIndustry: Highways & RoadsType: Architecture & Engineering+54 more

Chappell Engineering Associates, LLC

Marlborough, MA

Consulting Engineering and Land Surveying

WebsitePhone1 office9 projectsFounded 2004Size Estimate: 25 employeesUpdated Jun 2026

Project: Barre Common Traffic Improvements

Service: Transportation EngineeringService: Highway and Local Road DesignService: Highway Interchange DesignIndustry: RailIndustry: TelecommunicationsType: Civil Engineering+47 more

Chastain & Associates LLC

Creating infrastructure for 70 years.

Website1 projects3 leadersSize Estimate: 80+ employeesUpdated Jun 2026

Project: Village of Oak Park Right-of-Way Permitting Services

Service: Transportation EngineeringService: Expressways, Interstates, Tollways, and HighwaysService: Safety and Feasibility StudiesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+52 more

Clapsaddle-Garber Associates, Inc.

Marshalltown, IA

Engineers, Surveyors, and Architects

WebsitePhone6 offices6 projects35 leaders6 credentialsFounded 1959

Project: Grand Crossing PICP Parking Lot

Service: Civil EngineeringService: Site DesignService: Streets and TransportationIndustry: AviationIndustry: GovernmentType: Architecture & Engineering+34 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

DECON Environmental, Inc.

Scotts Valley, CA

Professional engineering, environmental assessment, and industrial hygiene services

WebsitePhone1 office11 projects7 credentialsUpdated Jun 2026

Project: Air Discharge Permitting for 300,000-Gallon Per Day Wastewater Treatment Plant

Service: Demolition Environmental ServicesService: Preparation and Presentation of Demolition Environmental PlansService: Demolition PermittingIndustry: Land DevelopmentIndustry: Food & BeverageType: Environmental Engineering+45 more