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

Westside Engineering, LLC

Atlanta, GA

We Deliver

WebsitePhone1 office4 projectsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Mercedes-Benz Dealership

Service: Electrical EngineeringService: Power DistributionService: Generator SystemsIndustry: EducationIndustry: Multifamily ResidentialType: MEP+43 more

Wiles Mensch Corporation

Washington, DC

Designing Dynamic Development

Website1 office9 projects4 leadersUpdated Jun 2026

Project: Parc Riverside

Service: Civil EngineeringService: Feasibility Studies and Due DiligenceService: Site DesignIndustry: GovernmentIndustry: TransitType: Civil Engineering+40 more

Willdan Group

Anaheim, CA

Willdan transitions communities to clean energy and a sustainable future

WebsitePhone2 offices3 projects1 leadersFounded 1964Size Estimate: 1,000-2,000 employees

Project: NFL Stadium Transportation Management and Operations Plan

Service: Energy and SustainabilityService: Energy efficiency program design and deliveryService: Utility program design and deliveryIndustry: UtilitiesIndustry: GovernmentType: Civil Engineering+55 more

Wireless Data Collections, LLC

Longwood, FL

System performance is our business.

WebsitePhone2 offices1 credentialsFounded 2017Updated Jun 2026

Service detail: Network Testing and Verification

Service: Network Testing and VerificationService: Venue TestingService: Drive TestingIndustry: AirportsIndustry: EducationType: Telecom / RF Engineering+16 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

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

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

Xdesign Engineering Services

Washington, DC

Innovative Engineering Solutions

Website1 officeUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power Distribution DesignService: Lighting DesignIndustry: ManufacturingIndustry: HealthcareType: Electrical Engineering+28 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

YarCom Inc.

Incline Village, NV

Celebrating 25+ years of service to our clients

WebsitePhone1 officeFounded 1998Updated Jun 2026

Service detail: Electrical and Electronic Engineering

Service: Electrical and Electronic EngineeringService: Power Systems EngineeringService: Electronic Hardware EngineeringIndustry: GovernmentIndustry: SolarType: Electrical Engineering+20 more

Young Enterprise Systems Inc

Reston, VA

Responsive provider of high-quality professional technical services delivering strategic value to government organizations.

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Government Mission Critical IT & Telecom Systems

Service: Government Mission Critical IT & Telecom SystemsService: IT and Telecom Systems IntegrationService: Program ManagementIndustry: AirportsIndustry: AviationType: Software Engineering+14 more

Zarcadia Systems Corporation

Denver, CO

Sourcing and supplying bespoke communication, navigation, surveillance and automation systems - and systems of systems - globally

WebsitePhone1 officeFounded 2018Updated Jun 2026

Service detail: Systems Engineering & Integration

Service: Systems Engineering & IntegrationService: Needs Analysis & Requirements DefinitionService: Program ManagementIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+9 more

Zephyr Engineering, Inc.

Specialists in Custom Designs

Website2 projects1 credentialsUpdated Jun 2026

Project: IQ2 SDR Transceiver Development

Service: FPGA Design ServicesService: FPGA Firmware DesignService: SoC Software DevelopmentIndustry: ElectronicsIndustry: SemiconductorsType: Electrical Engineering+13 more

eBeam, Inc.

Consulting and design services for the vacuum electron device industry

Website5 projectsFounded 1985Updated Jun 2026

Project: High Power Microwave Window

Service: Vacuum Electron Device EngineeringService: Electron Tube DesignService: Vacuum Tube DesignIndustry: DefenseIndustry: SpaceType: Electrical Engineering+19 more

eTribeca LLC

New York, NY

The Wi-Fi Site Survey and Design Expert

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Wireless Site Survey

Service: Wireless Site SurveyService: RF AnalysisService: Wireless Network DesignIndustry: ManufacturingIndustry: RetailType: Telecom / RF Engineering+16 more

iFactor

iFactor is a boutique MEP engineering and commissioning firm that specializes in consulting, engineering, and design services for complex facilities. With over 15 years in business across three offices, iFactor's engineers have designed more than 55 million square feet of mission-critical space and completed more than 145 LEED-certified projects for Fortune 500 clients in healthcare, critical facilities, retail, entertainment, defense, and science and technology sectors. iFactor has master-planned over $10 billion worth of infrastructure construction and upgrades, and its certified commissioning agents establish pre- and post-occupancy procedures to ensure systems perform throughout their life cycle.

Website8 credentialsUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Commissioning ServicesService: Campus Master PlanningIndustry: HealthcareIndustry: Mission Critical FacilitiesType: MEP+8 more

kw systems LLC

kw systems LLC provides engineering services specializing in technology systems design, build, and construction administration. It delivers integrated solutions for network infrastructure, security, audio-visual, and smart building automation systems.

WebsiteUpdated Jun 2026

Service detail: Technology Systems Design

Service: Technology Systems DesignService: Network InfrastructureService: Security SystemsIndustry: CommercialIndustry: Automation & ControlsType: Electrical Engineering+6 more

onBoresight Research LLC

Lihue, HI

onBoresight Research LLC is an engineering services organization headquartered in Lihue, Hawaii, providing systems engineering, cybersecurity, hardware modernization, and software development for government test ranges and forward-deployed defense assets. Its technical staff includes electrical, mechanical, and civil engineers, as well as architects with expertise in radar systems, RMF cybersecurity accreditation, FPGA integration, and model-based systems engineering. The organization supports mission planning, operations and maintenance, system performance evaluation, and radar operator training specific to MIT Lincoln Laboratory ROSA and WB-COSIP radar systems.

WebsitePhone1 officeSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: RMF Cybersecurity

Service: RMF CybersecurityService: System Architecture RestructuringService: Vulnerability Scanning & HardeningIndustry: GovernmentIndustry: FederalType: Defense Engineering+30 more

vigilant.engineering

Seattle, WA

Many engineering firms build hardware. We build operational impact.

Website1 office2 leadersFounded 2025Updated Jun 2026

Service detail: Concept & Architecture Development

Service: Concept & Architecture DevelopmentService: Concept DevelopmentService: Architecture DevelopmentIndustry: DefenseIndustry: Intelligence & National SecurityType: Electrical Engineering+32 more