Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

Baselines Inc.

Expert Engineering Lifecycle Management Consulting

Website1 leaders1 credentialsUpdated Jun 2026

Service detail: Engineering Lifecycle Management Suite Consulting

Service: Engineering Lifecycle Management Suite ConsultingService: Requirements Management with DOORS NextService: Engineering Workflow Management (EWM)Industry: AerospaceIndustry: DefenseType: Software Engineering+20 more

Buzz High Voltage, LLC

Expert Consulting for All Things High Voltage

Website6 projects1 leaders1 credentialsUpdated Jun 2026

Project: Cable Accessory Manufacturer Test Area Design

Service: High Voltage Testing & InspectionService: Dielectric TestingService: Equipment InspectionIndustry: Electric UtilitiesIndustry: GovernmentType: Electrical Engineering+33 more

Core Source Technologies, LLC

Germantown, MD

Accelerating Your Innovative Solutions

WebsitePhone1 office10 projects6 credentialsUpdated Jun 2026

Project: Vulcane Enclosure

Service: Mechanical EngineeringService: Electronic EnclosuresService: Hardware Engineering & PCB DesignIndustry: DefenseIndustry: Medical DevicesType: Mechanical Engineering+16 more

Diatomic Product Development

Seattle, WA

World-class engineering design and product development consultancy

WebsitePhone1 officeUpdated Jun 2026

Service detail: Product Development

Service: Product DevelopmentService: Opportunity and StrategyService: Research and DefineIndustry: Consumer ProductsIndustry: Medical DevicesType: Mechanical Engineering+26 more

Differential Designs, Inc.

Commerce Township, MI

The future starts today.

WebsitePhone1 office8 projects2 credentialsUpdated Jun 2026

Project: Inertial Navigation System Upgrade

Service: Embedded and Real-Time Software EngineeringService: Software Development Life Cycle (SDLC)Service: Requirements DefinitionIndustry: AutomotiveIndustry: ElectronicsType: Software Engineering+36 more

ISOTEK Engineering Group

Riverside, CA

MEP, Structural & Energy Consultant

WebsitePhone5 offices16 projectsUpdated Jun 2026

Project: Academy of Math & Science - Baseline

Service: Civil EngineeringService: Site Development PlanningService: Infrastructure RehabilitationIndustry: CommercialIndustry: RetailType: Civil Engineering+39 more

LHP Engineering Solutions

Columbus, IN

Guiding Global Brands in Safe, Software-Defined Mobility

WebsitePhone1 office1 projects2 leaders1 credentialsFounded 2001

Project: ASIL D-Certified Automator Safety Interlock Breakthrough

Service: Process & AutomationService: Functional SafetyService: ASPICE ConsultingIndustry: AerospaceIndustry: DefenseType: Software Engineering+30 more

McShea Consulting LLC

Mechanical, Electrical & Plumbing Engineering

Website12 projectsFounded 2010Updated Jun 2026

Project: Bristol Brewery / Ivywild

Service: Mechanical EngineeringService: Central Plant Heating and Cooling SystemsService: Boiler DesignIndustry: RetailIndustry: IndustrialType: MEP+67 more

Optimum Design Associates

Milpitas, CA

Experts in Today's Electronic Engineering. Innovators of Tomorrow's Technologies.

WebsitePhone2 offices2 projects3 leaders4 credentials3 publications

Project: Converting Debug Tools Into Manufacturing Fixtures

Service: PCB Design LayoutService: RF and Mixed-Signal PCB LayoutService: High-Density Interconnect (HDI) DesignIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+38 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

Perseus Technology, Inc.

Apopka, FL

Expert electronics engineering and PCB design

WebsitePhone1 officeUpdated Jun 2026

Service detail: Electronics and Product Design

Service: Electronics and Product DesignService: Circuit Design and SimulationService: Schematic CaptureIndustry: ElectronicsIndustry: ManufacturingType: Electrical Engineering+26 more

Quadrelec Engineering Corp.

Tulsa, OK

Setting the Standard for Quality Electrical Engineering Support for the Government, Utility, and Industrial Sectors

WebsitePhone1 office1 projects1 leaders3 credentialsFounded 1993

Project: De Facto Standard Power System Studies

Service: Power System AnalysisService: Protective Device Coordination StudiesService: Short Circuit AnalysisIndustry: DefenseIndustry: GovernmentType: Electrical Engineering+41 more

SN&N Electronics, Inc.

San Jose, CA

Changing our World through Innovative Design and Engineering

WebsitePhone1 office8 projects1 leaders2 credentialsUpdated Jun 2026

Project: Plaz4

Service: Electrical EngineeringService: Circuit Design and LayoutService: Low Power and Ultralow Noise Front-End Analog DesignIndustry: Medical DevicesIndustry: Life SciencesType: Electrical Engineering+36 more

Scott Engineering

Maui, HI

Scott Engineering is a structural and civil engineering design practice founded in 2008 and based in Maui, Hawaii. Scott Engineering serves developers, owners, architects, and general contractors, with a focus on custom residential and commercial projects across the Hawaiian islands and in Seattle, Washington. The practice is committed to economical structural solutions and emphasizes communication between owners, design teams, and general contractors throughout the project lifecycle.

WebsitePhone2 offices1 leaders6 credentialsFounded 2008Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: BuildingsService: Retaining WallsIndustry: ResidentialIndustry: HospitalityType: Structural Engineering+9 more

Spicer Bridge Consultants

Orlando, FL

Spicer Bridge Consultants is a structural engineering firm specializing in transportation-related structures in Florida. Led by Gary J. Spicer Jr., PE, it is an FDOT Prequalified Consultant and FDOT-approved Specialty Engineer providing traditional bridge design, miscellaneous structures design, and construction-phase specialty engineering to owners, consultants, and contractors. It is also recognized as an FDOT Small Business.

WebsitePhone1 office3 projects1 leaders5 credentialsSize Estimate: 1-10 employees

Project: Weems Road over Weems Pond Outfall

Service: Bridge DesignService: Prestressed Concrete Girder BridgesService: Steel BridgesIndustry: Highways & RoadsIndustry: TransportationType: Structural Engineering+26 more

Spicer Group

Spicer Group is a professional engineering, land surveying, and community planning firm that has served clients across the United States since 1944. Originally established as a civil engineering and surveying practice, its team now delivers services spanning surface water management, transportation engineering, drinking water and wastewater infrastructure, planning and parks, geospatial services, land development, and construction services. Spicer Group operates regional business units in Michigan, Georgia, and Ohio, serving state and local governments, federal clients, educational institutions, and commercial and industrial developers.

Website4 leadersFounded 1944Updated Jun 2026

Service detail: Surface Water

Service: Surface WaterService: TransportationService: Drinking Water & WastewaterIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+12 more

Step Response SI Consulting, Inc.

Plano, TX

Targeted, on-Demand Signal Integrity Solutions

Website1 officeUpdated Jun 2026

Service detail: Signal Integrity Consulting

Service: Signal Integrity ConsultingService: Design Flow OptimizationService: System and Board SI PlanningIndustry: ElectronicsIndustry: SemiconductorsType: Electrical Engineering+4 more

Studio Plus Engineering Inc

Fort Myers, FL

Together, we create design solutions that transform lives.

WebsitePhone5 offices10 projects67 leadersUpdated Jun 2026

Project: NCH Heart, Vascular, & Stroke Institute

Service: ArchitectureService: Healthcare ArchitectureService: Senior Living ArchitectureIndustry: HealthcareIndustry: Senior LivingType: Architecture & Engineering+13 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

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