Public engineering firm directory

Find engineering consulting firms by capability and location.

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YUB Alchemy LLC

Elevate Your Government Solutions

WebsiteUpdated Jun 2026
Service: Model-Based Systems EngineeringService: Requirements AuditIndustry: GovernmentType: Software Engineering+4 more

YarCom Inc.

Incline Village, NV

Celebrating 25+ years of service to our clients

WebsitePhone1 officeFounded 1998
Service: Electrical and Electronic EngineeringService: Power Systems EngineeringIndustry: GovernmentType: Electrical Engineering+22 more

Yellowfin Technology

Technology and Business Services

WebsiteFounded 2019Updated Jun 2026
Service: CybersecurityService: Software / Systems EngineeringIndustry: DefenseType: Defense Engineering+22 more

Young Enterprise Systems Inc

Reston, VA

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

WebsitePhone1 officeFounded 1999
Service: Government Mission Critical IT & Telecom SystemsService: IT and Telecom Systems IntegrationIndustry: AirportsType: Software Engineering+16 more

Zentech Technical Services Inc

Houston, TX

Innovative Engineering, Project Management, and Software Solutions for Marine and Offshore Assets

WebsitePhone6 offices4 projects
Service: Engineering ServicesService: Naval ArchitectureIndustry: MarineType: Marine Engineering+18 more

Zephyr Engineering, Inc.

Specialists in Custom Designs

Website2 projects1 credentialsUpdated Jun 2026
Service: FPGA Design ServicesService: FPGA Firmware DesignIndustry: ElectronicsType: Electrical Engineering+15 more

Zilitivity Inc.

Software engineering and IT services

Website4 projects1 leaders4 credentials
Service: Software Engineering ConsultingService: Requirements Analysis and PlanningIndustry: DefenseType: Software Engineering+21 more

Zyno Engineering

Precision for the work that matters. Funded by the waste we eliminate.

Website11 projectsUpdated Jun 2026
Service: AI Systems EngineeringService: System ArchitectureIndustry: DefenseType: Software Engineering+32 more

apex rocket science, llc

Strategic Solutions for Your Aerospace & Defense Challenges

Website2 credentials3 publicationsUpdated Jun 2026
Service: Enterprise Risk ManagementService: Portfolio and Program Risk ManagementIndustry: DefenseType: Aerospace Engineering+35 more

deciBel Research

Huntsville, AL

Making Systems and Their Sensors Smarter

Website5 offices1 projectsFounded 2002
Service: Modeling, Simulation, and AnalysisService: Digital and Hardware-in-the-Loop TestingIndustry: DefenseType: Defense Engineering+18 more

eScience & Technology Solutions, Inc.

Landover, MD

eScience & Technology Solutions, Inc. (eSTS) engineers and delivers technology services to Department of Defense and federal agency clients. Its staff integrates systems engineering, software development, cyber support, and program management across defense domains including C4ISR, short- and long-range radar, air traffic control, naval command platforms, and Navy manpower and personnel systems. eSTS holds a $300M IDIQ award from the Space and Naval Warfare Systems Command Sea Warrior Program Office for software development, modernization, and sustainment.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Requirements Engineering and AnalysisIndustry: DefenseType: Defense Engineering+12 more

iroquoiSystems, Inc.

Huntsville, AL

Creating innovative technologies today for the business environments of tomorrow.

Website1 officeUpdated Jun 2026
Service: Commercial Software DevelopmentIndustry: GovernmentType: Software Engineering+2 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 employees
Service: RMF CybersecurityService: System Architecture RestructuringIndustry: GovernmentType: Defense Engineering+32 more

tQ Automation, LLC

Houston, TX

Field service engineering, control systems, and digital oilfield solutions

WebsitePhone1 office3 projects
Service: Engineering ConsultingService: Control System DesignIndustry: Oil & GasType: Automation & Controls+20 more

vigilant.engineering

Seattle, WA

Many engineering firms build hardware. We build operational impact.

Website1 office2 leadersFounded 2025
Service: Concept & Architecture DevelopmentService: Concept DevelopmentIndustry: DefenseType: Electrical Engineering+34 more