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.

Filters2

AMP Optics LLC

Blue-Sky to Reality

Website6 publicationsFounded 2010Updated Jun 2026

Service detail: Optical Design and Engineering

Service: Optical Design and EngineeringService: Advanced Optical DesignService: Optical System Concept DevelopmentIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+26 more

BLT

Columbia, MD

The FPGA Experts

WebsitePhone2 offices2 credentialsFounded 1989Updated Jun 2026

Service detail: FPGA & SoC Design

Service: FPGA & SoC DesignService: FPGA Design ServicesService: SoC & SoM DesignIndustry: AerospaceIndustry: SpaceType: Electrical Engineering+18 more

Butler Aerospace & Defense

Engineering Your Future-readiness

WebsiteUpdated Jun 2026

Service detail: Product Development

Service: Product DevelopmentService: Engineering SupportService: DER SupportIndustry: Automation & ControlsIndustry: AerospaceType: Aerospace Engineering+59 more

Clay Allen Design

Sacramento, CA

From napkin sketches to production, delivering mechanical engineering and industrial design to bring complex products to market.

WebsitePhone1 office1 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Mechanical Engineering & Product Design

Service: Mechanical Engineering & Product DesignService: Industrial Design ServicesService: Aerospace & Defense Spec DesignIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+15 more

Cold Spring Engineering, LLC

Santa Barbara, CA

Engineering Services, Software, Hardware, Systems

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Software EngineeringService: Mechanical EngineeringIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+16 more

Custom Silicon Solutions, Inc.

Irvine, CA

Empowering Success Through Custom ASICs

WebsitePhone1 office7 projectsFounded 1996Updated Jun 2026

Project: 6-Axis Inertial Motion Unit (MEMS Gyroscope)

Service: Turnkey ASIC DevelopmentService: High-Voltage IC DesignService: Sensors and MEMS InterfacingIndustry: IndustrialIndustry: Medical DevicesType: Electrical Engineering+13 more

Cyient

Delivering Intelligent Engineering

Website4 projects3 leaders4 credentialsFounded 1991Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: World's Most Fuel-Efficient Aircraft Engine

Service: Product EngineeringService: Digital Twin & Digital ThreadService: Autonomous SystemsIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+31 more

FOMS Inc.

San Diego, CA

Manufacturing commercial products in a microgravity environment.

WebsitePhone1 officeSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Space-Based Fiber Manufacturing Systems

Service: Space-Based Fiber Manufacturing SystemsService: Microgravity Fiber Optic FabricationService: Thermal Control EngineeringIndustry: AerospaceIndustry: SpaceType: Mechanical Engineering+7 more

Pegasus Design

Livermore, CA

Providing machine design services and contract manufacturing to Silicon Valley, the National Labs and beyond...

WebsitePhone1 office2 projectsFounded 1994Updated Jun 2026

Project: Titan Laser Five-Axis Optical Mount

Service: Mechanical Engineering DesignService: Electro-Mechanical PackagingService: Vacuum and Cryogenic SystemsIndustry: LaboratoriesIndustry: PharmaceuticalType: Mechanical Engineering+15 more

R Sigma LLC

Turning legacy complexity into modern capability.

Website3 projects8 leadersFounded 2023Updated Jun 2026

Project: Legacy NDT Inspection System Modernization

Service: Strategic Business and Process OptimizationService: Business Transformation and Process DesignService: Partnerships and Growth StrategyIndustry: AerospaceIndustry: SemiconductorsType: Automation & Controls+17 more

Radiation Test Solutions Inc

Colorado Springs, CO

Radiation effects testing and analysis of semiconductor devices and materials

WebsitePhone2 offices3 credentialsUpdated Jun 2026

Service detail: Radiation Effects Testing

Service: Radiation Effects TestingService: High Dose Rate (HDR) TestingService: Low Dose Rate (LDR) TestingIndustry: SpaceIndustry: AerospaceType: Aerospace Engineering+16 more

Rink International

High-precision testing of components, pressure vessels and energetic devices

Website1 leaders5 credentialsUpdated Jun 2026

Service detail: Leak Detection and Seal Testing

Service: Leak Detection and Seal TestingService: Conventional Leak DetectionService: Advanced High-Pressure Leak TestingIndustry: DefenseIndustry: GovernmentType: Forensic Engineering+20 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

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

TJ Green Associates, LLC

Bethlehem, PA

Microelectronics Training and Technical Consulting

WebsitePhone1 office1 leaders1 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Microelectronics Training

Service: Microelectronics TrainingService: Visual Inspection CoursesService: Assembly and Packaging SeminarsIndustry: DefenseIndustry: AerospaceType: Defense Engineering+18 more

TeamUP Engineering Solutions

Austin, TX

Elite Engineering Services for Semiconductors and Defense and Aerospace

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: AI Chip Breakthrough

Service: Semiconductor EngineeringService: ASIC and RTL DesignService: Physical Design and PackagingIndustry: SemiconductorsIndustry: ElectronicsType: Electrical Engineering+27 more

Thermotive LLC

invents / designs / analyzes / fabricates / tests thermal control components & systems for ground / air / space applications

Website7 projects1 leaders4 publicationsUpdated Jun 2026

Project: Lightning Imaging Sensor (LIS) on the International Space Station

Service: Thermal StrapsService: Pyrovo(R) PGF Thermal StrapsService: Aluminum and Copper Foil Thermal StrapsIndustry: AerospaceIndustry: SpaceType: Mechanical Engineering+30 more

Tomco Service Group

Safety-critical product engineering for the autonomous world.

Website14 projects10 credentials4 publicationsFounded 2016Updated Jun 2026

Project: Project Atlas - L4 Driverless Delivery

Service: Functional SafetyService: Hazard Analysis and Risk AssessmentService: FMEDA and Safety MetricsIndustry: AutomotiveIndustry: AerospaceType: Process Safety Engineering+29 more