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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AXIONS Corporation

Cheyenne, WY

Getting Actions Done with Swift, Smart, Superior & Sustained Results

Website1 office7 leadersUpdated Jun 2026

Service detail: Strategy Consulting

Service: Strategy ConsultingService: Strategy FormulationService: Strategic Assessment and OptimizationIndustry: AerospaceIndustry: SpaceType: Defense Engineering+36 more

Ad Astra Collaborative, LLC

Diverse Capabilities, Flexible Solutions

Website2 projects3 leadersSize Estimate: 1-50 employeesUpdated Jun 2026

Project: Prairie Band Potawatomi Nation Land & Water Management Plan

Service: Water Resources EngineeringService: Stormwater Design & Watershed PlanningService: Hydraulics Structure ServicesIndustry: GovernmentIndustry: Environmental & RemediationType: Civil Engineering+23 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Iowa Colony City Engineer

Service: Civil EngineeringService: Site DevelopmentService: Land Development & Master PlanningIndustry: EducationIndustry: CommercialType: Civil Engineering+40 more

Adkins Engineering and Surveying

Klamath Falls, OR

Serving S. Oregon and N. California Since 1983

Website1 office6 projects3 leaders3 credentialsFounded 1983Size Estimate: 15-25 employees

Project: Klamath Irrigation District - C-Flume Replacement

Service: Civil EngineeringService: Land Development PlanningService: Transportation SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+37 more

Aix Consulting Inc

Long Beach, CA

The command center for infrastructure and safety. Operational readiness. Absolute precision.

Website3 offices6 projectsUpdated Jun 2026

Project: Pier B On-Dock Rail Support Facility

Service: Infrastructure & ConstructionService: Civil Engineering and DesignService: Construction Management and OversightIndustry: InfrastructureIndustry: TransitType: Civil Engineering+13 more

Antillean Engineers Inc

St. Croix, VI

Engineering Quality in Every Project

WebsitePhone1 office5 projects2 leaders2 credentialsFounded 1970

Project: Hovensa Coker Plant Expansion & Geodetic Surveys

Service: Civil EngineeringService: Subdivision PlanningService: Highway DesignIndustry: AirportsIndustry: MarineType: Civil Engineering+27 more

Aqua Vitae Engineering, LLC

Arlington Heights, IL

Water & Life

WebsitePhone2 offices3 leaders7 credentialsFounded 2014Updated Jun 2026

Service detail: Planning, Design, and Implementation

Service: Planning, Design, and ImplementationService: Low Impact Development (LID)Service: Watershed-Based PlanningIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+14 more

Aquatech Engineering P.C.

New York, NY

Leveraging technology to solve today's water-related challenges

Website1 office8 projects2 leadersFounded 2012Updated Jun 2026

Project: Hydrologic/Hydraulic Modeling for New York City DEP's LTCP4

Service: Hydraulic, Hydrodynamic & Hydrologic ModelingService: Water Distribution System Hydraulic & Water Quality ModelingService: Stormwater Management & Flood MitigationIndustry: Stormwater & Flood ControlIndustry: WastewaterType: Water / Wastewater Engineering+16 more

Azar Design Co PC

Buffalo, NY

Bridging grace and imagination with functionality while delivering pragmatic solutions.

WebsitePhone5 offices4 projects8 leaders2 credentialsFounded 1979

Project: Jacobs School of Medicine & Biomedical Sciences

Service: ArchitectureService: Architectural DesignService: Historic PreservationIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+112 more

Base10 Technology, LLC

Baltimore, MD

People-Driven, Mission-Focused

Website1 officeUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Mission architecture supportService: Scalable platform solutionsIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+22 more

Benton Engineering

Jacksonville, IL

Partnership. Commitment. Results.

WebsitePhone5 offices9 leaders4 credentialsFounded 1970Size Estimate: 25-100 employees

Service detail: Civil / Site Development

Service: Civil / Site DevelopmentService: Feasibility Studies and Planning ReportsService: Preliminary and Final DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+52 more

Black Water Consulting Engineers, Inc.

Modesto, CA

Clean Water Shaping Stronger Communities

Website3 offices5 projects3 leaders1 credentialsFounded 2012Updated Jun 2026

Project: Oakdale Wastewater River Crossing

Service: Drinking Water EngineeringService: Hydraulic ModelingService: Water Treatment Plant DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+26 more

Blossom Consulting & Engineering Inc.

Williamsburg, VA

Engineering Land & Water Resources for the Future

WebsitePhone2 offices10 projects5 leaders11 credentialsSize Estimate: 1-25 employees

Project: Beaver Creek Watershed Assessment

Service: Water Resources EngineeringService: Watershed Analysis and Hydrologic ModelingService: Hydrologic and Hydraulic AnalysesIndustry: GovernmentIndustry: DefenseType: Civil Engineering+54 more

Blue Arc Engineering Inc.

Fort Myers, FL

Coastal and Environmental Permitting Consultants

WebsitePhone1 office2 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Permitting

Service: PermittingService: Coastal Construction Control Line (CCCL) PermittingService: Environmental Resource Permitting (ERP)Industry: ResidentialIndustry: GovernmentType: Coastal Engineering+29 more

Brainstorm Technologies LLC

Engineering Solutions You Can Trust

WebsiteUpdated Jun 2026

Service detail: Artificial Intelligence / Machine Learning

Service: Artificial Intelligence / Machine LearningService: Agentic AI DevelopmentService: Data FusionIndustry: DefenseIndustry: UtilitiesType: Defense Engineering+18 more

Buchart Horn, Inc.

York, PA

Shaping the built environment with precision, creativity, and purpose since 1945

WebsitePhone9 offices6 projects4 leadersFounded 1945Size Estimate: 100-500 employees

Project: I-40/I-240 Interchange Improvements, Memphis, TN

Service: Water Resources EngineeringService: Wastewater treatment plant engineeringService: Water distribution and collection systemsIndustry: Water ResourcesIndustry: WastewaterType: Architecture & Engineering+41 more

CJS Conveyance, PLLC

Cary, NC

Small Firm Service - Large Firm Experience

Website2 offices6 projects5 leaders1 credentialsFounded 2016Size Estimate: 10-20 employees

Project: NW Maynard Water Main Extension and Sidewalk

Service: Water System Planning and DesignService: Water system master planning and engineering studiesService: Water main replacement and trenchless rehabilitationIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+40 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

Cardinal Strategies Engineering Services, LLC

Dallas-Fort Worth, TX

Purpose-Driven Water and Environmental Solutions

WebsitePhone2 offices2 credentialsFounded 2014Size Estimate: 50-75 employeesUpdated Jun 2026

Service detail: Stormwater Engineering

Service: Stormwater EngineeringService: Flood Study and Downstream AssessmentsService: Dam Breach AnalysisIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+34 more

Carlexson Consulting LLC

Pasadena, MD

Resilient solutions for the waters we call home.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Coastal Restoration and EngineeringService: Living Shoreline DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Coastal Engineering+12 more

Coastal Engineering Company, Inc.

Orleans, MA

Professional engineering and land surveying firm serving Cape Cod, The Islands, and Southern New England.

WebsitePhone1 officeFounded 1976Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Analysis and Feasibility AssessmentService: Site EngineeringIndustry: GovernmentIndustry: MarineType: Civil Engineering+54 more

Coastal Engineering Consultants, Inc.

Bonita Springs, FL

Restoring ecosystems and protecting shorelines through multidisciplinary engineering and science

WebsitePhone2 offices9 projects1 leaders4 credentialsUpdated Jun 2026

Project: Caminada Headland Restoration

Service: Coastal EngineeringService: Beach Restoration & RenourishmentService: Inlet & Navigation ManagementIndustry: Environmental & RemediationIndustry: MarineType: Coastal Engineering+34 more

Collaborative Robotics Inc

Seattle, WA

Robots that react to you.

Website2 offices3 projects1 leadersSize Estimate: 100-499 employeesUpdated Jun 2026

Project: Moderna Robotics Integration

Service: Autonomous Mobile Robot (AMR) DeploymentService: AMR Piloting and Fleet DeploymentService: Proxie Hardware CustomizationIndustry: Freight & LogisticsIndustry: HealthcareType: Automation & Controls+14 more

Cypress Environment & Infrastructure

Ocean Springs, MS

Engineering a Sustainable Future

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: Water Resources EngineeringService: Coastal EngineeringIndustry: Environmental & RemediationIndustry: Water ResourcesType: Civil Engineering+43 more