Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

Acker & Associates

Green Bay, WI

Consulting engineering, audits and analysis

WebsitePhone1 office4 projects1 leaders3 credentials3 publications

Project: Curwood Gas-Fired Make-Up Air System Design

Service: Condensation & Moisture AnalysisService: Building Water Vapor TransmissionService: Blower Door & Infrared DiagnosticsIndustry: Pulp & PaperIndustry: IndustrialType: Mechanical Engineering+23 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

Airflow Sciences Corporation

Livonia, MI

Engineered CFD Solutions

WebsitePhone1 officeFounded 1975Updated Jun 2026

Service detail: Computational Fluid Dynamics (CFD) Modeling

Service: Computational Fluid Dynamics (CFD) ModelingService: Combustion ModelingService: Dispersion ModelingIndustry: Emissions ControlIndustry: Power GenerationType: Mechanical Engineering+53 more

Arnold & Associates, Inc.

Roswell, GA

Arnold & Associates, Inc. (A&A) is an Operations and Maintenance (O&M) engineering consulting practice founded in 1988 and based in Roswell, Georgia. It provides professional engineering, training, technical O&M consulting, and staff support services. Its capabilities serve industrial and utility systems, steam and electric power generation, building HVAC systems, and similar facility operations. The practice specializes in the efficient management and utilization of personnel, energy, rotating equipment, boilers, steam and combustion turbines, and diesel-engine-driven components. It also offers technical recruiting, energy conservation surveys, and professional power engineering licensing preparation seminars.

Website1 office2 credentialsFounded 1988Updated Jun 2026

Service detail: Operations & Maintenance Consulting

Service: Operations & Maintenance ConsultingService: Procedures Review and UpdatingService: O&M Personnel EvaluationsIndustry: Power GenerationIndustry: Oil & GasType: Mechanical Engineering+29 more

Badger Technology Group, Inc.

Port Washington, WI

Advanced aerospace engineering, flight simulation, and technology integration solutions

Website1 office1 projects3 credentialsUpdated Jun 2026

Project: US Air Force HESS Contract

Service: Avionics and Mission SystemsService: Glass Cockpit UpgradesService: Navigation and Communication SystemsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+26 more

Baker Engineering

Nunica, MI

Driving the Future: Fueled by Excellence, Inspired by Innovation

WebsitePhone2 offices3 projects8 leaders6 credentialsFounded 1965

Project: Air Force SBIR - Baker Micro CI Fuel Injection System

Service: Engineered SolutionsService: Combustion Engine Design & TestingService: Propulsion Systems DevelopmentIndustry: DefenseIndustry: AerospaceType: Mechanical Engineering+18 more

BlazeTech Corporation

Woburn, MA

BlazeTech Corporation is an engineering consulting and R&D firm founded in 1987 and based in Woburn, Massachusetts, specializing in fire and explosion safety, aircraft survivability, energy systems, and environmental sustainability. It provides contract R&D, specialized testing, safety and risk assessment, training, litigation support, and proprietary hardware and software solutions to both government and industry clients working with hazardous materials and high-consequence scenarios.

Website1 office1 leadersFounded 1987Updated Jun 2026

Service detail: Contract R&D

Service: Contract R&DService: Safety AssessmentService: Technology AssessmentIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+6 more

C-K Technologies, LLC

Ellisville, MO

Innovative Engineering Solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering Design and Consulting

Service: Mechanical Engineering Design and ConsultingService: Engine and Cylinder Kit ModelingService: Cylinder Kit AnalysisIndustry: AutomotiveIndustry: AviationType: Mechanical Engineering+8 more

CIM-Tech

Valparaiso, IN

Redefining Industry Standards in Engineering & Design

WebsitePhone1 office3 leadersFounded 2006Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Ironmaking Engineering

Service: Ironmaking EngineeringService: Blast Furnace Design & EngineeringService: Process OptimizationIndustry: MetalsIndustry: IndustrialType: Process Engineering+20 more

Clean Energy Systems, Inc.

Rancho Cordova, CA

CES offers the world's lowest cost products for carbon-free combustion.

WebsitePhone1 office1 projects7 leaders9 credentials1 publications

Project: ZEUS - Zero Emission Power Station Demo FEED

Service: Oxy-Fuel Combustion TechnologyService: Direct Steam Gas GeneratorsService: Platelet Burner TechnologyIndustry: Power GenerationIndustry: IndustrialType: Aerospace Engineering+14 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 more

Commonwealth Associates, Inc.

Jackson, MI

Experience the power of partnership.

WebsitePhone1 office11 projects6 credentialsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: 500MW Solar Farm Engineering & System Studies

Service: Renewable Energy EngineeringService: Solar PV DesignService: Battery Energy Storage SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+44 more

Coterie Environmental LLC

King of Prussia, PA

Leading the Way in Combustion and Air Pollution Control

Website1 office2 leaders1 credentialsFounded 2008Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Regulatory Gap Analysis

Service: Regulatory Gap AnalysisService: Conceptual Design SelectionService: Air Pollution Control Concept DevelopmentIndustry: ManufacturingIndustry: GovernmentType: Environmental Engineering+14 more

Czero

Making Energy Cleaner

Website7 projects1 credentialsUpdated Jun 2026

Project: Integrated SOFC/GT System

Service: Mechanical DesignService: 3D CAD and Solid ModelingService: GD&T and Tolerance AnalysisIndustry: Power GenerationIndustry: Energy StorageType: Mechanical Engineering+24 more

Economy Controls Corporation

Intelligent Flow Systems That Measure Up!

WebsiteFounded 1935Updated Jun 2026

Service detail: Fluid Transfer System Design

Service: Fluid Transfer System DesignService: Injector SystemsService: Blending SystemsIndustry: IndustrialIndustry: ChemicalsType: Process Engineering+28 more

Exponent

Hard Questions. Tough Challenges. Bring It.

Website5 projects4 leaders12 credentialsFounded 1967Size Estimate: 950 employeesUpdated Jun 2026

Project: AI and Driver Safety Evaluation

Service: Accident & Failure InvestigationService: Failure AnalysisService: Vehicle & Aircraft TechnologyIndustry: ChemicalsIndustry: Power GenerationType: Forensic Engineering+48 more

FPLS Engineering, LLC

Richmond, VA

When Failure Isn't an Option, Trust Engineers Who Have Seen It All.

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Fire Protection System Design

Service: Fire Protection System DesignService: Fire Detection and Alarm DesignService: Mass Notification System DesignIndustry: FederalIndustry: DefenseType: Fire Protection Engineering+19 more

Fire and Materials Research Laboratory LLC

Livonia, MI

Fire and Materials Investigation, Testing, and Failure Analysis

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Fire and Explosion documentation and Debris Analysis

Service: Fire and Explosion documentation and Debris AnalysisService: On-Site Scene InvestigationService: On-Site documentation SamplingIndustry: LegalIndustry: InsuranceType: Forensic Engineering+41 more

Fossil Energy Research Corporation

Laguna Hills, CA

Specialists in environmental and energy technologies

WebsitePhone1 officeFounded 1984Updated Jun 2026

Service detail: Catalyst Activity Testing

Service: Catalyst Activity TestingService: Bench-Scale Activity TestingService: Micro-Scale Activity TestingIndustry: Emissions ControlIndustry: Power GenerationType: Combustion Engineering+32 more

Franklin Engineering Group Inc

Franklin, TN

Delivering trusted engineering and environmental solutions.

WebsitePhone1 office40 leadersUpdated Jun 2026

Service detail: Chemical and Process Engineering

Service: Chemical and Process EngineeringService: Chemical Process Engineering DesignService: Process EngineeringIndustry: AutomotiveIndustry: ChemicalsType: Automation & Controls+28 more

Frontline BioEnergy LLC

Nevada, IA

Innovative gasification solutions for renewable energy, renewable fuels, and renewable products.

WebsitePhone1 office6 projects4 leaders3 publicationsFounded 2003

Project: CVEC Commercial Gasification System

Service: Gasification Technology Design and LicensingService: Biomass GasificationService: Refuse-Derived Fuel GasificationIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: Process Engineering+36 more

GAI Consultants, Inc.

Indianapolis, IN

Transforming Ideas Into Reality®

WebsitePhone5 offices24 leaders4 publicationsFounded 1958Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact Analysis and NEPA DocumentationService: Permitting and Regulatory ComplianceIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+44 more

GHG Engineering, LLC

Turning Location and Environmental Complexity into Clarity

Website1 credentialsUpdated Jun 2026

Service detail: Sustainability Engineering

Service: Sustainability EngineeringService: Industrial Water Sustainability & Stormwater Pollution Prevention ProgramsService: Energy & Carbon Footprint Reduction ProjectsIndustry: SolarIndustry: Renewable EnergyType: Environmental Engineering+24 more