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.

Filters1

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

4D Systems

Flint, MI

The future of manufacturing is digital. Are you ready?

WebsitePhone3 offices5 credentialsFounded 2010Updated Jun 2026

Service detail: Controls Engineering

Service: Controls EngineeringService: Control System IntegrationService: Manufacturing Controls SupportIndustry: ManufacturingIndustry: AutomotiveType: Automation & Controls+23 more

ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Readiness and Lifecycle Support

Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadService: Engineering Readiness ReviewsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+23 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publicationsFounded 1995Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Worst-Case Circuit Analysis (WCCA)

Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentService: WCCA document reviewIndustry: ElectronicsIndustry: SpaceType: Electrical Engineering+38 more

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects8 leaders2 credentials5 publications

Project: Rhode Island Corridor Modernization

Service: BridgesService: Bridge structural designService: Bridge inspection and safety evaluationIndustry: FederalIndustry: GovernmentType: Civil Engineering+45 more

AKEA Design, Inc.

Gainesville, FL

Architectural, MEP, and Civil Design Solutions

Website1 office6 projects1 leaders2 credentialsFounded 2011Updated Jun 2026

Project: Ironwood Golf Course Clubhouse HVAC System Replacement

Service: Architectural DesignService: BIM & 3D ModelingService: Interior DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+16 more

AMERICAN SYSTEMS Corporation

McLean, VA

Leaders by Performance.

WebsitePhone3 offices6 leaders15 credentialsFounded 1975Updated Jun 2026

Service detail: Engineering and Analysis

Service: Engineering and AnalysisService: Aerospace EngineeringService: Defense Systems AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+12 more

ARC Defense

Contract engineering, consulting, and manufacturing for military and government sectors

Website2 leadersUpdated Jun 2026

Service detail: Manufacturing

Service: ManufacturingService: Component AssemblyService: Welding FabricationIndustry: DefenseIndustry: GovernmentType: Defense Engineering+18 more

AVI, PC

Cheyenne, WY

Engineering Excellence

WebsitePhone2 offices9 projects6 leaders2 credentialsUpdated Jun 2026

Project: Casper's West Belt Loop Road

Service: TransportationService: Roadway DesignService: Drainage DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more

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

AYCE Consulting Engineers, Inc.

Santa Ana, CA

Large Firm Expertise Small Firm Values

Website1 office1 leadersFounded 2015Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Complete Street Design (Rural and Urban)Service: Freeway System Interchange DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+23 more

Aditi Consulting

Bellevue, WA

Global. Innovative. Transformative.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: Cross-Cloud Migration for a Global Insurance Enterprise

Service: AI + Data TransformationService: Data Strategy & ArchitectureService: Data EngineeringIndustry: Financial ServicesIndustry: HealthcareType: Software Engineering+23 more

Advanced CFD Solutions, LLC

Oviedo, FL

Take your innovation to the next level with us

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: Inter-Navy Collaboration Modeling (SIANC IV)

Service: Modeling and SimulationService: Aerodynamic OptimizationService: Environmental Dynamics SimulationIndustry: AerospaceIndustry: DefenseType: Simulation Engineering+11 more

Advanced Structural Technologies Inc

Edina, MN

Engineering expertise. Easy communication. Collaborative solutions.

WebsitePhone1 office2 leaders3 credentialsFounded 2002Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Conceptual PlanningService: Design-Build DeliveryIndustry: Multifamily ResidentialIndustry: HospitalityType: Structural Engineering+27 more

Advanced Technology Systems Company

McLean, VA

We build solutions.

WebsitePhone5 offices3 projects8 leaders2 credentialsUpdated Jun 2026

Project: Georgia Border Surveillance Program

Service: Systems IntegrationService: Security Surveillance SystemsService: Communications SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+18 more

Advantech GS Enterprises

La Jolla, CA

Advantech GS Enterprises is a La Jolla, California-based technical and professional services firm serving the Department of Defense, U.S. military branches, and other government agencies. Its team blends deep defense and government expertise with engineering, cybersecurity, analytics, and program management capabilities to support mission-critical programs.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Cybersecurity and Intelligence

Service: Cybersecurity and IntelligenceService: Systems EngineeringService: Analytics and AIIndustry: DefenseIndustry: FederalType: Defense Engineering+4 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 more

AeroFrohne LLC

The New Standard in Reality Capture & 3D Visualization

WebsiteUpdated Jun 2026

Service detail: Geospatial Mapping & Drone Capture

Service: Geospatial Mapping & Drone CaptureService: RTK/PPK Drone Mapping & Object DetectionService: Orthomosaic, DSM/DTM Surface & Contour ProductionIndustry: InfrastructureIndustry: CommercialType: Land Surveying+37 more

Agile Discovery Group LLC

West Berlin, NJ

Radar, Systems, and Hardware/Software Engineering

WebsitePhone2 offices2 projects7 leadersFounded 2007Updated Jun 2026

Project: X-Band Man Portable Doppler Radar (MPDR-X)

Service: Radar Systems EngineeringService: General Radar Systems EngineeringService: Radar Component EngineeringIndustry: DefenseIndustry: AerospaceType: Defense Engineering+16 more

Air Traffic Engineering Company LLC

Northfield, NJ

Air airspace modernization, modeling, and simulation engineering

WebsitePhone1 office4 projects8 leadersFounded 2006Updated Jun 2026

Project: Airport Facilities Terminal Integration Laboratory (AFTIL) Support

Service: Modeling & SimulationService: Airport Modeling and SimulationService: Dynamic Real-Time Air Traffic SimulationIndustry: AviationIndustry: TransportationType: Transportation Engineering+24 more

Airwai Inc.

Gardena, CA

The autonomous civil engineer for critical infrastructure

Website1 office1 projectsUpdated Jun 2026

Project: San Bernardino International Airport LAIRA Deployment

Service: LAIRA Pavement and Asset InspectionService: Pavement Condition DeliverablesService: Continuous CaptureIndustry: AirportsIndustry: AviationType: Civil Engineering+18 more

Akiva AI, LLC

Leesburg, VA

Committed to Excellence

Website1 office3 projectsFounded 2019Updated Jun 2026

Project: Predictive Logistics Implementation

Service: AI EngineeringService: Multi-Agent SystemsService: AI Strategy & ConsultingIndustry: SoftwareIndustry: Financial ServicesType: Software Engineering+52 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Altatech Engineering Technologies

Sioux Falls, SD

Advanced Engineering Solutions

Website1 officeUpdated Jun 2026

Service detail: Model-Based Systems Engineering

Service: Model-Based Systems EngineeringService: Requirements integrationService: Design and verification modelingIndustry: DefenseIndustry: FederalType: Defense Engineering+22 more