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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Wilson Okamoto Corporation

Honolulu, HI

Thoughtful Innovation And Highly Responsive Civil Engineering Services

WebsitePhone2 offices10 projects9 leaders37 credentialsFounded 1947

Project: Kaneohe-Kailua Wastewater Conveyance & Treatment Facilities

Service: Civil EngineeringService: Site DevelopmentService: Water and Wastewater SystemsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+21 more

WindWright LLC

Converging the Digital and Physical

Website1 leadersUpdated Jun 2026

Service detail: Digital Engineering for Hypersonics

Service: Digital Engineering for HypersonicsService: Control Systems EngineeringService: Wind Tunnel TestingIndustry: AerospaceIndustry: DefenseType: Defense Engineering+1 more

Windlass Logistics, LLC

San Diego, CA

Engineering & Logistics Support Services to the Maritime Industry Worldwide

WebsitePhone1 officeUpdated Jun 2026

Service detail: Training

Service: TrainingService: Technical WritingService: ProvisioningIndustry: DefenseIndustry: MarineType: Naval Architecture+3 more

Wise Engineering Consulting LLC

Washington, DC

We Simplify Weapon Systems Integration!

WebsitePhone1 office2 projects1 leadersFounded 2017Size Estimate: 1-10 employees

Project: PMA 266 FireScout and Arleigh Burke DDG Integration

Service: Weapons Systems IntegrationService: Unmanned Vehicles IntegrationService: Early Integration TestingIndustry: GovernmentIndustry: FederalType: Defense Engineering+13 more

Wood Harbinger

We solve tough challenges with brilliant engineering and exceptional client service.

Website15 projects1 credentialsSize Estimate: 25-75 employeesUpdated Jun 2026

Project: SR-520 Floating Bridge

Service: Electrical EngineeringService: Power generation, transmission, and distribution systems designService: Electrical system modeling and studiesIndustry: GovernmentIndustry: EducationType: Electrical Engineering+31 more

Woods Peacock Engineering Consultants, Inc.

Alexandria, VA

Woods Peacock Engineering Consultants, Inc. provides structural engineering and project management services for clients across the United States and worldwide. A successor firm to FDE, Ltd., one of the oldest structural engineering practices in Metropolitan Washington, Woods Peacock specializes in new construction, renovation, building evaluation, load surveys, and advanced capabilities including blast resistance, anti-terrorism/force protection design, progressive collapse analysis, seismic analysis and retrofit, concrete repair, and historic restoration.

WebsitePhone1 office2 leaders11 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: New Construction DesignService: Renovation and Building EvaluationIndustry: FederalIndustry: DefenseType: Structural Engineering+14 more

Woodsong Technologies, LLC

Annapolis Junction, MD

Innovation, Experience, Commitment, Integrity

WebsitePhone1 office1 projectsFounded 2018Size Estimate: 10-49 employeesUpdated Jun 2026

Project: WTPLA100 Power Line Adapter Development

Service: WT ConsultingService: Technical Surveillance CountermeasuresService: TEMPEST EngineeringIndustry: DefenseIndustry: GovernmentType: Electrical Engineering+23 more

Woolpert

Beavercreek, OH

Global resources. End-to-end solutions. Innovative results.

WebsitePhone8 offices3 projects8 leaders9 credentialsFounded 1911

Project: USACE I-ATLAS Coastal Mapping and Nautical Charting

Service: ArchitectureService: Mission-Critical ArchitectureService: Education Facility ArchitectureIndustry: AviationIndustry: AirportsType: Architecture & Engineering+48 more

Wyoming Instrumentation Development, LLC

Laramie, WY

Aerodynamic instrumentation consulting and testing services.

WebsitePhone1 officeFounded 2004Updated Jun 2026

Service detail: Aerodynamic Instrumentation Services

Service: Aerodynamic Instrumentation ServicesService: Wall Shear Stress MeasurementsService: Unsteady Aerodynamic MeasurementsIndustry: AerospaceIndustry: Research FacilitiesType: Aerospace Engineering+6 more

X-Feds, Inc.

San Diego, CA

X-perience. X-pertise. X-cellence.

Website1 office4 projects3 credentialsFounded 2004Updated Jun 2026

Project: Navy First ATO for Azure (NAVSEA / Microsoft)

Service: Security EngineeringService: Information AssuranceService: Multi-Level Security EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more

X-PROCAD

Fairfax, VA

Solutions from Concept to Reality & Beyond

WebsitePhone1 officeSize Estimate: 35-49 employeesUpdated Jun 2026

Service detail: CAD Design and Drafting

Service: CAD Design and DraftingService: 3D CAD ModelingService: 2D to 3D CAD ConversionsIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+40 more

XCE

New York, NY

We create thoughtful, livable spaces.

Website1 office16 projectsUpdated Jun 2026

Project: Burlington QCM, Elmhurst NY

Service: Structural EngineeringService: Structural Design for New BuildingsService: Structural Renovation and Building RepositioningIndustry: CommercialIndustry: RetailType: Structural Engineering+18 more

XCraft, Inc.

Boston, MA

Engineering at the Xtreme

Website1 office1 projectsFounded 2007Updated Jun 2026

Project: WavTrac Roll-out Roadway

Service: Composite Materials EngineeringService: Composite Tooling DesignService: Large-Scale Production ToolingIndustry: DefenseIndustry: AerospaceType: Mechanical Engineering+23 more

Xenotran Corporation

Linthicum Heights, MD

Next Generation Wireless

Website1 office4 projects2 credentialsFounded 1996Size Estimate: 1-25 employeesUpdated Jun 2026

Project: XenoData Bridge (XDB) USSF Production OTA

Service: SATCOM EngineeringService: MUOS Waveform Development and PortingService: Waveform Port and IntegrationIndustry: DefenseIndustry: GovernmentType: Defense Engineering+25 more

Xlera Solutions, LLC

Alpharetta, GA

Turn Your FPGA Innovation Into Market Reality

WebsitePhone1 office1 projects1 leaders1 publicationsUpdated Jun 2026

Project: Commercialization Optimization & Acceleration

Service: Strategic ConsultingService: Market Use Case DefinitionService: Architecture & Cost ModelingIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+22 more

Xperience Technology Solutions Corp

Innovative technology and engineering solutions for simulation and training

WebsiteUpdated Jun 2026

Service detail: Systems Engineering and Design

Service: Systems Engineering and DesignService: Cross-Discipline Systems EngineeringService: Systems IntegrationIndustry: AerospaceIndustry: DefenseType: Simulation Engineering+29 more

Y aXis Services, Inc.

Cleveland, OH

Where Inputs Become Impact

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Systems Modeling and DesignService: Equipment Design and PrototypingIndustry: DefenseIndustry: FederalType: Mechanical Engineering+25 more

Yaeger Architecture Inc

Lenexa, KS

Beyond Buildings

WebsitePhone1 office6 projects4 leaders1 credentialsSize Estimate: 11-50 employees

Project: Pascua Yaqui Casino Del Sol

Service: ArchitectureService: Project Management, Coordination, and CommunicationService: Visualization, Building Information Modeling, and Virtual RealityIndustry: FederalIndustry: DefenseType: Architecture & Engineering+25 more

Yeadon Energy Systems, Inc.

Leaders in Electric Motors Design Development, Prototype Fabrication, and Testing

Website2 leaders5 credentialsFounded 1996Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Motor Design

Service: Motor DesignService: Electrical DesignService: Mechanical DesignIndustry: ManufacturingIndustry: AutomotiveType: Electrical Engineering+28 more

Yellowfin Technology

Technology and Business Services

WebsiteFounded 2019Updated Jun 2026

Service detail: Cybersecurity

Service: CybersecurityService: Software / Systems EngineeringService: Customer OutreachIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+20 more

Young & Hedrick Engineering, LLC

Lakewood Ranch, FL

Young & Hedrick Engineering (YHE) is a Lakewood Ranch, Florida-based structural engineering practice specializing in custom residential and commercial structural engineering, renovation support, and expert witness services. It serves builders, architects, contractors, and homeowners throughout Florida and the East Coast. Licensed in states including Florida, New York, Alabama, Connecticut, Georgia, Ohio, Massachusetts, Nevada, North Carolina, Texas, West Virginia, and Washington DC, YHE emphasizes value engineering, safety, and continuous on-site construction support from initial design through certificate of occupancy.

WebsitePhone1 office2 leaders1 credentials3 publicationsSize Estimate: 1-10 employees

Service detail: Residential Structural Engineering

Service: Residential Structural EngineeringService: Wood-Frame, Masonry, and Concrete Residential StructuresService: Multi-Family Residential Structural EngineeringIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+27 more

ZAPATA Group, Inc.

Charlotte, NC

The Few, The Best!

WebsitePhone1 officeSize Estimate: 20-100 employeesUpdated Jun 2026

Service detail: Architecture and Engineering Design

Service: Architecture and Engineering DesignService: Architectural design and interior designService: Civil and structural engineeringIndustry: DefenseIndustry: FederalType: Architecture & Engineering+11 more

ZFI Engineering Co.

Oklahoma City, OK

Structural Solutions That Work.

WebsitePhone1 office3 leadersFounded 1978Updated Jun 2026

Service detail: Structural Design Services

Service: Structural Design ServicesService: Structural Investigative & Rehabilitation ServicesService: Structural Strengthening And ModificationIndustry: HealthcareIndustry: EducationType: Structural Engineering+32 more

ZMM Architects and Engineers

Charleston, WV

It's more than architecture, it's about building your legacy.

Website4 offices2 leaders10 credentialsFounded 1959Size Estimate: 70+ employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Building DesignService: Sustainable / Energy-Efficient DesignIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+22 more