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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154 Tech LLC

Santa Barbara, CA

Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support

WebsitePhone1 office2 credentials
Service: Technical Program ManagementService: End-to-End Program ManagementIndustry: DefenseType: Defense Engineering+30 more

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects
Service: Electronics Design ServicesService: Hardware DesignIndustry: DefenseType: Electrical Engineering+26 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publications
Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentIndustry: ElectronicsType: Electrical Engineering+40 more

AFuzion Inc.

Carlsbad, CA

When Safety Is Critical.

WebsitePhone1 office1 projects
Service: Safety-Critical EngineeringService: Aviation Systems EngineeringIndustry: AviationType: Aerospace Engineering+33 more

AUSGAR Technologies, Inc.

San Diego, CA

Innovative, High-Quality Engineering Services

WebsitePhone2 offices4 projects
Service: CybersecurityService: Assessment and Authorization (A&A)Industry: DefenseType: Defense Engineering+21 more

Acomb Ostendorf & Associates (AOA)

Winter Park, FL

Immersive Experience Makers: We Bring Stories to Life

WebsitePhone4 offices6 projects
Service: Master Planning and VisioningService: Strategic PlanningIndustry: Arts & CultureType: Architecture & Engineering+61 more

Aerospace Technical Services LLC

Boston, MA

Best-in-Class Data Science Solutions for Aerospace, Energy, and Health Systems

Website4 offices7 projects5 leaders
Service: Data ScienceService: Machine LearningIndustry: AerospaceType: Aerospace Engineering+13 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects
Service: Electrical EngineeringService: Lighting Design and ModelingIndustry: WastewaterType: Automation & Controls+35 more

Aurex

Huntsville, AL

Engineering the Edge of Possible

WebsitePhone6 offices2 projects
Service: Hypersonic Systems EngineeringService: Modeling and SimulationIndustry: AerospaceType: Aerospace Engineering+44 more

Canyon

El Segundo, CA

Canyon is an El Segundo, California defense engineering and acquisition consulting firm founded in 2006 that supports U.S. Space Force, Air Force, and Department of Defense program offices in GPS and positioning, navigation, and timing (PNT) programs. Canyon's engineers and acquisition specialists bring over 100 combined years of program management, systems engineering, and test and evaluation experience to space vehicle, ground, and user equipment programs. Canyon holds a patent on a Steerable Antenna System (US 12,562,472 B2) and has provided broad expertise in GPS-III satellite development and the Modernized GPS User Equipment (MGUE) program.

WebsitePhone1 office2 projects
Service: Acquisition Engineering SupportService: Systems EngineeringIndustry: DefenseType: Defense Engineering+8 more

Celeris Systems, Inc.

Anaheim, CA

Your Mission, Our Purpose

WebsitePhone3 offices1 leaders
Service: Engineering & Mission Integration ServicesService: Systems EngineeringIndustry: DefenseType: Defense Engineering+22 more

Creative Aero Engineering Solutions, Inc.

Long Beach, CA

Engineering Solutions with Innovation, Excellence and Affordability

WebsitePhone1 office3 projects
Service: Computational Fluid Dynamics and Heat TransferService: Steady-state and time-accurate CFD analysisIndustry: AerospaceType: Aerospace Engineering+37 more

Cutting Edge Communications, LLC

Huntington Beach, CA

Providing Multi-Domain, Multidisciplinary Expertise for Programs of Critical National Value.

Website1 office6 leaders1 credentials
Service: Mission EngineeringService: Product DeliveryIndustry: DefenseType: Defense Engineering+13 more

DCOSTA LLC

Arroyo Grande, CA

Always Capable and Relevant by Design

WebsitePhone1 office1 leaders
Service: Program ManagementService: Manages Programs Mapped To Critical Objectives To Enhance Organizational PerformanceIndustry: DefenseType: Environmental Engineering+32 more

DR Machinery

Anaheim, CA

Custom process equipment and industrial automation solutions

WebsitePhone1 officeUpdated Jun 2026
Service: Custom Machinery & Process EquipmentService: Custom MachineryIndustry: ManufacturingType: Automation & Controls+30 more

DVK Integrated Services

San Jose, CA

You Ask, We Deliver

WebsitePhone1 officeFounded 1984
Service: PCB Layout and DesignService: High Density SMT and BGA DesignsIndustry: ElectronicsType: Electrical Engineering+20 more

FKI SpaceStructures

Los Angeles, CA

Specialized aerospace structural analysis, structural testing, and optomechanical engineering

WebsitePhone1 office4 projects
Service: Aerospace Structural AnalysisService: Finite Element AnalysisIndustry: AerospaceType: Aerospace Engineering+17 more

FOMS Inc.

San Diego, CA

Manufacturing commercial products in a microgravity environment.

WebsitePhone1 officeSize Estimate: 1-5 employees
Service: Space-Based Fiber Manufacturing SystemsService: Microgravity Fiber Optic FabricationIndustry: AerospaceType: Mechanical Engineering+9 more

Gemini Design LLC

Poway, CA

Leading the Industry in Space Products and Engineering Services

WebsitePhone1 office1 leaders
Service: Electrical EngineeringService: PCB LayoutIndustry: AerospaceType: Aerospace Engineering+32 more

GreenDart Incorporated

Long Beach, CA

GreenDart delivers superior program savings to U.S. government mission-critical system development efforts, focusing on environments where risk reduction yields significant program cost savings. The practice provides Test and Evaluation (T&E), Verification and Validation (V&V), Cybersecurity Assessments, Data Analytics, and Systems Engineering and Integration (SE&I) services, operating either as an independent assessment team or embedded directly with development teams. GreenDart holds a GSA Multiple Award Schedule contract vehicle and has delivered advanced engineering services to agencies including DHS Customs and Border Protection, the USAF Space and Missile Systems Center, and the DHS Science and Technology Directorate.

WebsitePhone1 office3 projects
Service: Test and EvaluationService: Developmental Testing and AnalysisIndustry: DefenseType: Defense Engineering+27 more

IESE Solutions

Boulder, CO

Delivering Integrated Enterprise Systems Engineering Solutions

WebsitePhone2 officesFounded 2011
Service: Systems EngineeringService: Life-cycle, Model Based Systems Engineering (MBSE)Industry: DefenseType: Software Engineering+28 more

Ingenium Technical Services, Inc.

Cupertino, CA

Ingenium Technical Services, Incorporated (ITSI) is a Cupertino, California-based aerospace engineering services and technology company founded by senior engineers with over 100 years of combined industry experience. Ingenium specializes in thermal engineering of ground- and space-based systems, covering design and analysis from cryogenic through high-temperature applications, and supports clients from design concept through testing and mission operations. It serves NASA, federally funded research centers, and prime aerospace contractors, and also offers mechanical design, contamination control, and systems engineering support.

WebsitePhone1 office4 projects
Service: Thermal Design and AnalysisService: Ground-based Thermal Control SystemsIndustry: AerospaceType: Aerospace Engineering+20 more

Intellicom Technologies, Inc.

San Diego, CA

Communications systems engineering and spectrum management for mobile satellite systems

WebsitePhone2 offices4 projects
Service: Communications Systems EngineeringService: System Definition & RequirementsIndustry: TelecommunicationsType: Telecom / RF Engineering+17 more

Karagozian & Case, Inc.

Pasadena, CA

Science & Engineering for the Most Challenging Problems Since 1945

Website1 office7 projects7 leaders
Service: Protective DesignService: Blast-Resistant Building DesignIndustry: DefenseType: Defense Engineering+27 more