Public engineering firm directory

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3D Innovations, LLC

Honolulu, HI

Developing Ideas From Concept To Product

WebsitePhone1 office5 projectsFounded 2007Updated Jun 2026

Project: The BabyToon Silicone Baby Spoon

Service: Product Design & EngineeringService: 3D CAD Design & VisualizationService: 3D EngineeringIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+14 more

Achates Power, Inc.

San Diego, CA

Fundamentally Better Engines

WebsitePhone2 offices4 projects2 credentialsFounded 2004Updated Jun 2026

Project: Ultralow NOx Diesel Heavy-Duty Engine Deployment

Service: Opposed-Piston Engine Technology LicensingService: Engine Design LicensingService: Development and Test ToolsIndustry: AutomotiveIndustry: DefenseType: Mechanical Engineering+14 more

Aerospace Structural Research Corp

Milford, CT

Transforming Ideas into Reality with Engineering Expertise

WebsitePhone1 officeFounded 1995Updated Jun 2026

Service detail: Engineering Design Services

Service: Engineering Design ServicesService: Computer-Aided Design (CAD)Service: Solid ModelingIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+45 more

American Engineering Group LLC

Akron, OH

Fast-Track Your Product From Concept To Reality

WebsitePhone1 office5 projects11 credentialsUpdated Jun 2026

Project: Pressure Zero Tire Development

Service: Product Design & DevelopmentService: Product ideation and concept testingService: Industrial product designIndustry: DefenseIndustry: HealthcareType: Mechanical Engineering+35 more

Ascent Design, Inc.

Boulder, CO

Mechanical engineering and product development services

WebsitePhone1 office1 projects1 leadersFounded 2002Updated Jun 2026

Project: Dual Dose Syringe

Service: Product DevelopmentService: Concept FeasibilityService: Requirement SpecificationIndustry: Medical DevicesIndustry: AerospaceType: Mechanical Engineering+11 more

Bevel Edge PLLC

Richardson, TX

Mechanical Design & Product Development Consulting

Website1 office4 projects2 credentialsUpdated Jun 2026

Project: The Mack Clamps

Service: Mechanical Engineering & Product DevelopmentService: Product Design & 3D ModelingService: Engineering Analysis & SimulationIndustry: Oil & GasIndustry: AutomotiveType: Mechanical Engineering+12 more

Birchrun Labs

Birchrunville, PA

Making the Aspirational Real

Website1 office3 projects3 leadersUpdated Jun 2026

Project: High-Temperature Piezoelectric Material Deployment

Service: Piezoelectric Materials and Component EngineeringService: High-Temperature Ceramic MaterialsService: Piezoelectric Stack ActuatorsIndustry: DefenseIndustry: AerospaceType: Mechanical Engineering+17 more

Casper, Phillips & Associates, Inc. P.C.

University Place, WA

Worldwide Structural and Mechanical Consulting Engineering Services

WebsitePhone1 office5 leaders1 credentialsFounded 1987Size Estimate: 1-25 employees

Service detail: Crane Engineering

Service: Crane EngineeringService: Crane Design ReviewService: Crane Procurement SupportIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+23 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

Coho Designs LLC

Palm Coast, FL

Our Product Is Your Product

WebsitePhone1 office2 projects2 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Space-Based Software Defined Radio Enclosure

Service: Product DevelopmentService: Additive ManufacturingService: System-Level IntegrationIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+20 more

Corvus Engineering

Logan, UT

Create with Corvus

Website1 office2 projects4 leaders2 credentialsUpdated Jun 2026

Project: AutoSpout Rainwater Management Redesign

Service: Product Design and DevelopmentService: Consumer Product DevelopmentService: Medical Device DesignIndustry: Consumer ProductsIndustry: Medical DevicesType: Mechanical Engineering+29 more

Daniel Development Group, LLC

Phoenix, AZ

Help clients solve their engineering and design challenges and get to market quickly.

WebsitePhone1 office3 leadersFounded 1997Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Embedded Systems & Circuit DesignService: IoT & Wireless NetworkingIndustry: ElectronicsIndustry: Consumer ProductsType: Electrical Engineering+30 more

Daring Engineering LLC

Engineering for Things That are Hard to Make

Website2 projects1 leadersFounded 2001Updated Jun 2026

Project: Copepod Ferris Wheel Enclosure

Service: Research EngineeringService: Scientific Instrumentation & PrototypingService: Data Analysis & Control SoftwareIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+18 more

Design Innovation Inc.

Mechanical & New Product Design, Rapid Prototype Fabrication

Website5 projects1 leadersSize Estimate: 1-5 employeesUpdated Jun 2026

Project: Ford DeWalt Tool Link RFID System

Service: Product DesignService: System Integration & Power ManagementService: Electronic Packaging & EnclosuresIndustry: Medical DevicesIndustry: AutomotiveType: Mechanical Engineering+20 more

Equator Corporation

Washington, DC

Strength of Team, Depth of Capability

WebsitePhone3 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: DISA JITC Test and Evaluation Contract II

Service: Executive, Program, and Project ManagementService: Strategic Planning and Policy DevelopmentService: Executive Management Consulting and MentoringIndustry: DefenseIndustry: FederalType: Defense Engineering+43 more

ITM | Integrated Test + Measurement

Milford, OH

ITM Engineering Measurement Solutions

WebsitePhone1 office1 credentialsFounded 2001Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Structural and Mechanical Testing Services

Service: Structural and Mechanical Testing ServicesService: Strain Gauge InstallationService: Sound and Vibration TestingIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+11 more

Innalytical Solutions, Inc.

Janesville, WI

Equipment and Automation Experts

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Breach of Contract - Conveyor System

Service: Litigation Support and Expert TestimonyService: Expert testimonyService: Product failure analysisIndustry: IndustrialIndustry: ManufacturingType: Mechanical Engineering+33 more

Kalsi Engineering, Inc.

Sugar Land, TX

Rotary seals, valve software, consulting engineering

WebsitePhone1 office1 leaders2 credentials1 publicationsFounded 1978

Service detail: Structural, Fluid, and Thermal Analysis

Service: Structural, Fluid, and Thermal AnalysisService: Solid mechanics and stress analysisService: Thermo-fluid analysisIndustry: Oil & GasIndustry: NuclearType: Forensic Engineering+38 more

Kemper Engineering Services, LLC

Baton Rouge, LA

World Class Design, Analysis, and Innovation

WebsitePhone2 offices1 credentialsFounded 2006Updated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Mechanical DesignService: Structural EngineeringIndustry: PetrochemicalIndustry: Oil & GasType: Mechanical Engineering+16 more

Proe Power Systems, LLC

Propulsion, Power and Energy Engineering Services

Website1 credentialsUpdated Jun 2026

Service detail: Thermal and Energy Engineering

Service: Thermal and Energy EngineeringService: Liquid and Air Cooled Electronics OptimizationService: Thermal Control SystemsIndustry: AerospaceIndustry: SpaceType: Automation & Controls+35 more

RPS Consulting, LLC

Naperville, IL

Quality Freight Car Technical Services

WebsitePhone1 office3 projectsFounded 2008Updated Jun 2026

Project: Specialized Freight Car Prototyping and Testing

Service: Freight Car Engineering & Technical ServicesService: Design and Analysis ReviewsService: Testing SupportIndustry: RailIndustry: Freight & LogisticsType: Transportation Engineering+8 more

Redgarden Engineering LLC

Boulder, CO

Electronics Engineering Consulting Services

WebsitePhone2 offices2 projects2 leaders3 publicationsFounded 2008

Project: Perfect Wave DAC Board PCB Layout

Service: Electronic and Software EngineeringService: Electronic and Software DesignService: Printed Circuit Board LayoutIndustry: Medical DevicesIndustry: AutomotiveType: Electrical Engineering+25 more

Second Order Effects Inc

El Segundo, CA

The engineer's engineer

WebsitePhone2 offices19 projectsUpdated Jun 2026

Project: Avionics development for a microgravity manufacturing spacecraft

Service: Design and AnalysisService: Aerospace Avionics Design ReviewsService: Aerospace Root Cause AnalysisIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+21 more

Sigma Design Company, LLC

Middlesex, NJ

Sigma Design Company, LLC is a product design, engineering, and contract manufacturing firm founded in 1999 and headquartered in Middlesex, New Jersey. It operates from a 20,000-square-foot Technology Commercialization and New Product Manufacturing Center and serves global manufacturing clients across industries including health and life sciences, food processing, clean energy, industrial water, marine, and defense. Core capabilities include mechanical and electrical product design, new product development, design/build manufacturing, custom machine manufacturing, build-to-print fabrication, and advanced engineering analysis and simulation. It employs licensed professional engineers in New York and New Jersey and has delivered over 1,000 design and design/build projects. A subsidiary group, Sigma Industrial Water Group, develops patented filtration and water conditioning systems for industrial water and non-hazardous wastewater applications.

WebsitePhone1 office2 leaders8 credentialsFounded 1999Updated Jun 2026

Service detail: Product Design & Development

Service: Product Design & DevelopmentService: New Product DevelopmentService: Design for Manufacturing (DFM)Industry: Life SciencesIndustry: Food & BeverageType: Mechanical Engineering+21 more