Public engineering firm directory

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A2 Efficiency

Santa Rosa, CA

Building performance consulting, from first principles to policy.

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Basis of Design & Performance Consulting

Service: MEP Basis of Design & Performance ConsultingService: Early-Stage Energy & Comfort ModelingService: Mechanical System Concept & Basis of DesignIndustry: CommercialIndustry: EducationType: MEP+18 more

Alampalli Engineering, PLLC

Albany, NY

Key to reliable engineering, business and software solutions

WebsitePhone1 office1 leaders9 credentialsUpdated Jun 2026

Service detail: Infrastructure and Engineering

Service: Infrastructure and EngineeringService: Infrastructure Asset ManagementService: Structural MonitoringIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+25 more

Arup

We shape a better world

Website19 projects6 leadersUpdated Jun 2026

Project: LGA Delta Terminal C

Service: TransportationService: Airport Design and InfrastructureService: Airport PlanningIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+47 more

Astra Solutions LLC

Huntsville, AL

Expert engineering, procurement, and advisory services for defense and commercial clients

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Systems Engineering & Technical Assistance (SETA)

Service: Systems Engineering & Technical Assistance (SETA)Service: Systems Integration and EvaluationService: Agency and Advisory SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

Brown Technologies Incorporated

Huntsville, AL

Precision. Integrity. Impact.

WebsitePhone1 office1 projects2 leaders2 credentialsFounded 2013

Project: Universal Music Group AI Applications

Service: Cybersecurity ServicesService: NIST Compliance AssessmentService: Gap AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Burton Planning Services

Westerville, OH

Providing sustainable planning and environmental solutions.

WebsitePhone1 office4 projects1 leaders5 credentialsFounded 2008

Project: Livingston MT Growth Policy

Service: Community Planning and DevelopmentService: Comprehensive PlansService: Land Use Planning and Growth PoliciesIndustry: GovernmentIndustry: TransportationType: Transportation Engineering+23 more

BuzzDoc LLC

Tampa, FL

Operational analysis, simulation, and strategic planning support.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: New Account Processing Simulation

Service: Strategic and Operations ManagementService: Strategic PlanningService: Operations ManagementIndustry: DefenseIndustry: GovernmentType: Simulation Engineering+17 more

CivilAir Engineers, PLLC

Burley, WA

Vision Driven. Planned to Succeed. Designed to Exceed Expectations.

WebsitePhone1 office5 projects4 leadersFounded 2021Size Estimate: 1-10 employees

Project: City of Kirkland I-405/NE 05th Street Interchange and Inline BRT Station Design-Build Owner's Representative

Service: Airport EngineeringService: Airfield Planning and DesignService: Aprons and GA RampsIndustry: AirportsIndustry: AviationType: Civil Engineering+30 more

Decision Technologies, Inc.

Arlington, VA

Decision Technologies, Inc. is a defense engineering and intelligence services provider headquartered in Arlington, Virginia. Founded in 2003, it delivers systems engineering, program management, in-service engineering, equipment repair, research and development, test and evaluation, and intelligence support to the Department of Defense and federal agencies. It provides specialized support for naval radar and missile programs across multiple directorates of the Program Executive Office Integrated Warfare Systems (PEO IWS), including AEGIS, Above Water Sensors, Surface Ship Weapons, and Ship Self-Defense Systems (SSDS). Additionally, it supports NSWC Crane and NSWC Port Hueneme, alongside strategic and policy programs for the Office of the Undersecretary of Defense for Intelligence (OUSD(I)).

WebsitePhone5 offices2 projects8 leaders6 credentialsFounded 2003

Project: Naval Surveillance Radar Engineering and Logistics Support Services

Service: Systems EngineeringService: Performance & Requirements AnalysisService: Trade Studies & Risk AssessmentIndustry: DefenseIndustry: FederalType: Defense Engineering+27 more

Dynamic Research, Inc.

Torrance, CA

Automotive testing, vehicle dynamics, ADAS targets, and human factors research

WebsitePhone1 officeFounded 1984Updated Jun 2026

Service detail: ADAS Testing

Service: ADAS TestingService: Regulatory & Consumer Compliance TestingService: Advanced Development & Swarm TestingIndustry: AutomotiveIndustry: Sports & RecreationType: Automation & Controls+24 more

Ecotope, Inc.

Seattle, WA

High-Performance Building Design, Innovative Research, and Policy Development

WebsitePhone1 office5 projectsFounded 1976Updated Jun 2026

Project: Metropole

Service: MEP Engineering DesignService: Building Technology ResearchService: Building Performance VerificationIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+7 more

Evergreen StormH2O

Spokane, WA

Delivering innovative and sustainable stormwater solutions.

WebsitePhone1 office5 leadersFounded 2015Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Applied Research

Service: Applied ResearchService: Effectiveness StudiesService: Treatment Technology DevelopmentIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+17 more

Fuess Consulting, LLC

Reno, NV

Fuess Consulting, LLC is a professional engineering practice based in Reno, Nevada, specializing in traffic engineering and roadway maintenance engineering. It provides technical expertise, operational leadership, and practical field experience to help public agencies and organizations address infrastructure challenges.

Website1 office1 leaders9 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Traffic & Transportation Engineering

Service: Traffic & Transportation EngineeringService: Traffic Studies & AnalysesService: Development Application ReviewIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+17 more

Guzman & Griffin Technologies, Inc.

Alexandria, VA

Maintaining the safety and efficiency of the National Airspace System

WebsitePhone1 office3 projects4 leadersFounded 1997Size Estimate: 50-199 employees

Project: Surface and Airborne Safety Metrics Automation

Service: Systems & Software EngineeringService: Software Development & Systems IntegrationService: Independent Verification & Validation (IV&V)Industry: AviationIndustry: FederalType: Aviation Engineering+17 more

High Street Consulting Group LLC

Pittsburgh, PA

Inspired Transportation Solutions for a Complex World

WebsitePhone1 office7 projects8 leadersUpdated Jun 2026

Project: Arizona DOT, West Kingman I-40 and US-93 Traffic Interchange Projects

Service: Long-Range Transportation PlansService: Performance ManagementService: Transportation Asset Management PlanningIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+9 more

Inch and Meter, PC

Philadelphia, PA

Environmental Consulting and Engineering

WebsitePhone3 offices4 leadersFounded 2019Updated Jun 2026

Service detail: Environmental Planning

Service: Environmental PlanningService: Environmental Review (NEPA, state, and local)Service: Environmental Impact AssessmentIndustry: Power GenerationIndustry: TransportationType: Environmental Engineering+29 more

KLJ Engineering, LLC

Bismarck, ND

Engineering, Reimagined

WebsitePhone1 office16 projects1 credentialsUpdated Jun 2026

Project: Four Bears Bridge

Service: AviationService: PlanningService: Program ManagementIndustry: AviationIndustry: AirportsType: Civil Engineering+54 more

Kandou Structural Engineering and Testing

San Francisco, CA

Resilient by nature.

WebsitePhone1 office9 projects1 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Eshleman Hall

Service: DesignService: Residential and Commercial Structural DesignService: Permitting and Documentation SupportIndustry: CommercialIndustry: ResidentialType: Structural Engineering+24 more

Kittelson & Associates

Orlando, FL

Transforming how communities move

WebsitePhone31 offices6 projects3 publicationsFounded 1984Size Estimate: 200-500 employees

Project: Lancaster County Freight Infrastructure Prioritization

Service: Transportation PlanningService: Corridor and regional studiesService: Freight planning and infrastructure prioritizationIndustry: GovernmentIndustry: FederalType: Transportation Engineering+44 more

Leonardo Technologies, Inc.

Saint Clairsville, OH

Professional Engineering Services

WebsitePhone6 offices3 projects3 publicationsFounded 2001Updated Jun 2026

Project: Wyoming CCUS Study

Service: Engineering Analysis & AssessmentService: Engineering and Economic Cost AnalysisService: Energy System Modeling and Data AnalysisIndustry: Power GenerationIndustry: Oil & GasType: Power & Utility Engineering+10 more

LuxNova LLC

Reston, VA

Illuminating Tomorrow, Transforming Today.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Information Technology

Service: Information TechnologyService: Program Management ServicesService: Contract Center Support ServicesIndustry: FederalIndustry: DefenseType: Software Engineering+7 more

PKMM, Inc.

Las Vegas, NV

Advanced Technology Solutions for Government and Commercial Agencies.

WebsitePhone2 offices6 credentialsFounded 1988Updated Jun 2026

Service detail: Wire Harness and Cable Manufacturing

Service: Wire Harness and Cable ManufacturingService: Custom cable and harness assembly for aerospace and defenseService: High-reliability testing and quality assuranceIndustry: DefenseIndustry: AerospaceType: Defense Engineering+80 more

R3M Solutions LLC

Mission-Ready Technical Excellence

Website1 leadersFounded 2025Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Cybersecurity & Compliance

Service: Cybersecurity & ComplianceService: Risk Management Framework ComplianceService: NIST Framework ImplementationIndustry: GovernmentIndustry: FederalType: Defense Engineering+26 more