Public engineering firm directory

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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

Advanced Rotorcraft Technology Inc

Fremont, CA

A Leader in Rotorcraft Simulation

WebsitePhone1 office5 projects21 leadersFounded 1982Size Estimate: 10-49 employees

Project: AVCATT Simulator Model Development

Service: Aircraft Design and AnalysisService: Parametric StudiesService: Performance AnalysisIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+26 more

Argos Engineers

Torrance, CA

We are solution forward.

WebsitePhone1 office5 projectsFounded 2003Updated Jun 2026

Project: Piping Design

Service: Solid MechanicsService: Stress AnalysisService: Fatigue AnalysisIndustry: Oil & GasIndustry: ChemicalsType: Mechanical Engineering+31 more

Creative Aero Engineering Solutions, Inc.

Long Beach, CA

Engineering Solutions with Innovation, Excellence and Affordability

WebsitePhone1 office3 projects1 leaders4 credentials2 publications

Project: Transonic Aeroelastic Prototyping Program

Service: Computational Fluid Dynamics and Heat TransferService: Steady-state and time-accurate CFD analysisService: Structured, unstructured, and overset meshingIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+35 more

Device Analytics, LLC

Carlsbad, CA

Engineering Tomorrow's Solutions

Website1 officeFounded 2007Updated Jun 2026

Service detail: FEA and CFD Engineering Services

Service: FEA and CFD Engineering ServicesService: Computational Fluid Dynamics (CFD)Service: Fluid-Structure Interaction (FSI)Industry: AerospaceIndustry: Medical DevicesType: Simulation Engineering+8 more

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders3 credentialsFounded 2011Size Estimate: 1-25 employees

Service detail: Program Management

Service: Program ManagementService: Cost, schedule, performance, and risk managementService: Acquisition document preparation and complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+20 more

Epsilon Systems Solutions, Inc.

San Diego, CA

Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.

Website5 offices12 credentialsUpdated Jun 2026

Service detail: Navy Ship Repair and Modernization

Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairService: Alteration Installation Team (AIT) ServicesIndustry: DefenseIndustry: MarineType: Defense Engineering+30 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 projects1 leaders2 credentialsUpdated Jun 2026

Project: DHS Customs and Border Protection T&E Services

Service: Test and EvaluationService: Developmental Testing and AnalysisService: Operational Phase TestingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+25 more

Innovative Engineering Solutions Inc

Murrieta, CA

Design, Analysis, Fabrication, Testing

WebsitePhone1 office1 credentialsFounded 1995Updated Jun 2026

Service detail: Product Design and Development

Service: Product Design and DevelopmentService: Concept and Detail DesignService: Design and Build Complete Mechanical SystemsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+50 more

Karagozian & Case, Inc.

Pasadena, CA

Science & Engineering for the Most Challenging Problems Since 1945

Website1 office7 projects7 leaders1 publicationsFounded 1945Updated Jun 2026

Project: FEMFRE Version 1.0 Release

Service: Protective DesignService: Blast-Resistant Building DesignService: Force Protection for Critical InfrastructureIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Natel Energy

Alameda, CA

Modernizing the grid. Restoring rivers.

WebsitePhone1 office1 projects1 leaders5 publicationsUpdated Jun 2026

Project: Lower Yellowstone Diversion Dam Migratory Passage Evaluation

Service: FishSafe Turbine Design and Feasibility StudiesService: Hydraulic CFD ModelingService: Fish Passage Survival EstimationIndustry: HydroelectricIndustry: Renewable EnergyType: Power & Utility Engineering+16 more

PCB Automation Inc

Campbell, CA

Empower Your Hardware Success

Website1 office1 leaders3 publicationsUpdated Jun 2026

Service detail: Hardware Design Services

Service: Hardware Design ServicesService: PCB and Package DesignService: SIPI SimulationIndustry: Data CentersIndustry: ElectronicsType: Electrical Engineering+6 more

Photon Ink, LLC

Rancho Cordova, CA

Optical, Thermal, Mechanical Design and Product Development for LED

Website1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Optical / Illumination Engineering

Service: Optical / Illumination EngineeringService: Non-Sequential Optical DesignService: Sequential Optical DesignIndustry: Medical DevicesIndustry: DefenseType: Mechanical Engineering+38 more

Quartus Engineering Incorporated

San Diego, CA

Engineering the future through precision, creativity, and cross-functional expertise.

WebsitePhone2 offices6 projects5 credentialsFounded 1997Updated Jun 2026

Project: Lazuli Space Observatory

Service: Optical InstrumentsService: Optical Systems EngineeringService: Advanced Optical MetrologyIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+27 more

RAM Laboratories, Inc.

San Diego, CA

Solving Hard Problems Through I3: Interdisciplinary Innovation and Invention

WebsitePhone1 office3 projects2 leaders5 credentialsFounded 1997

Project: Avionics Modeling and Simulation for the Air Force

Service: Advanced AnalyticsService: Artificial IntelligenceService: Modeling and SimulationIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+8 more

Relteck

Cherry Hill, NJ

Technology We Test

WebsitePhone2 offices4 credentialsFounded 1990Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Reliability Engineering

Service: Reliability EngineeringService: MTBF Prediction & CalculationService: Parts Stress AnalysisIndustry: AerospaceIndustry: DefenseType: Simulation Engineering+11 more

SC Solutions, Inc.

San Jose, CA

Value Through Innovation

Website3 offices5 projects3 leaders6 credentialsUpdated Jun 2026

Project: Varda Winnebago-1 Re-entry Capsule Development

Service: Control EngineeringService: Model-Based Control SoftwareService: Physics-Based Equipment ModelingIndustry: SemiconductorsIndustry: AerospaceType: Automation & Controls+21 more

SYMVIONICS, Inc.

Arcadia, CA

Developing the Highest Quality Hardware and Software Products

WebsitePhone3 offices2 projects2 leaders1 credentialsFounded 1988

Project: Submarine Skills Training Network (SubSkillsNet)

Service: Training SystemsService: Flight Test SupportService: Hardware EngineeringIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

Saratech

Dana Point, CA

Providing Engineering and Product Development Expertise

WebsitePhone1 office4 projects7 credentialsUpdated Jun 2026

Project: Pacific Gas & Electric - Pipe Drilling & Stopping

Service: Engineering & Product Development ServicesService: CAD Design ServicesService: Advanced Engineering & CFD AnalysisIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+27 more

Science and Technology Applications, LLC

Moorpark, CA

Science and Technology Applications, LLC (STA) delivers innovative technical solutions to the space transportation and defense industries. Its principals are pioneers in the analysis, design, and development of liquid rocket engines, combustion devices, thermal fluid systems, and thermal management systems. STA has been recognized by the United States Government and the space industry for advances in LOX/Hydrocarbon and LOX/Hydrogen engines, as well as NTO/MMH variants and thrusters. Utilizing extensive experience in modeling and simulation, coupled with unique methods of component development, STA has deep heritage in propulsion and launch vehicle systems.

Website1 officeFounded 2004Updated Jun 2026

Service detail: Analysis & Design

Service: Analysis & DesignService: Systems EngineeringService: Thermo-Structural FEAIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+13 more

Sierra Engineering & Software, Inc.

Sacramento, CA

Providing Advanced Simulation Tools and Design Expertise for Liquid and Solid Rocket Propulsion Development

Website1 officeFounded 1998Updated Jun 2026

Service detail: Engine Simulation

Service: Engine SimulationService: Component DesignService: Propulsion Hardware ModelingIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+7 more

Skyward, Ltd.

Dayton, OH

Service and Solutions Above and Beyond, Excellence Above All

WebsitePhone2 offices1 projects1 leaders16 credentialsFounded 1997

Project: Project Helping Hand

Service: Test & EvaluationService: Vulnerability IdentificationService: Lethality ValidationIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more

Solaris Technical, LLC

Monrovia, CA

Delivering Energy-Efficiency Solutions

WebsitePhone1 office1 credentialsFounded 2003Updated Jun 2026

Service detail: Energy Efficiency

Service: Energy EfficiencyService: Energy Efficiency ConsultationService: Energy Efficiency AuditIndustry: CommercialIndustry: IndustrialType: Mechanical Engineering+18 more

Spiral Technology, Inc.

Lancaster, CA

Leader and innovator in hands-on systems engineering providing aerospace support services

Website1 office6 credentialsFounded 2000Size Estimate: 100 employeesUpdated Jun 2026

Service detail: OTIS Telemetry Software (TMATS)

Service: Life Cycle Systems EngineeringService: Flight Controls EngineeringService: Flight Systems EngineeringIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+12 more