Public engineering firm directory

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Advanced Cryogenics, Ltd

Tavernier, FL

Optimizing CO2 Management for Sustainability and Success

WebsitePhone1 office1 leaders6 publicationsSize Estimate: 1 employeesUpdated Jun 2026

Service detail: CO2 Source Evaluation

Service: CO2 Source EvaluationService: Technical Source AssessmentService: Business Viability AnalysisIndustry: Carbon CaptureIndustry: Oil & GasType: Process Engineering+18 more

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects14 leaders3 credentialsFounded 2024

Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesService: Energy Audits & BenchmarkingIndustry: GovernmentIndustry: FederalType: Defense Engineering+59 more

Baker Engineering and Risk Consultants, Inc.

San Antonio, TX

Better Risk Management Starts Here

WebsitePhone1 office2 projects1 leaders2 publicationsFounded 1984

Project: HF Alkylation Unit Detailed Risk Analyses

Service: Accident InvestigationService: Root-Cause AnalysisService: Incident ReconstructionIndustry: ChemicalsIndustry: PetrochemicalType: Fire Protection Engineering+39 more

Blade Energy Partners

Frisco, TX

Highest quality engineering solutions to complex problems in the energy industry

WebsitePhone6 officesFounded 2008Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: Well Engineering

Service: Well EngineeringService: Critical and complex well designService: Casing design and tubular selectionIndustry: Oil & GasIndustry: GeothermalType: Environmental Engineering+50 more

Cardno Engineering Services

Cardno MM&A delivers geological, environmental, hydrogeological, and mining engineering services with a focus on energy and mineral resources analysis. Professional geologists, hydrogeologists, mining engineers, civil engineers, and geotechnical engineers collaborate with clients across the Americas from approximately 270 offices and 4,500 personnel to address resource, environmental, and subsurface engineering challenges.

WebsiteSize Estimate: 4,500 employeesUpdated Jun 2026

Service detail: Geological and Geotechnical Services

Service: Geological and Geotechnical ServicesService: Environmental EngineeringService: Coal Refuse Disposal Facility Design and PermittingIndustry: MiningIndustry: Environmental & RemediationType: Geotechnical Engineering+23 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

Cornerstone Engineering, Inc.

Bakersfield, CA

People, Processes, Technology

WebsitePhone1 office8 leadersFounded 1979Updated Jun 2026

Service detail: Regulatory, Permitting & Planning

Service: Regulatory, Permitting & PlanningService: Land, Energy & Carbon StrategyService: Land Development & Civil EngineeringIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+10 more

Cozairo LLC

The Woodlands, TX

Putting away carbon for good.

Website1 office1 leadersUpdated Jun 2026

Service detail: Carbon Capture and Sequestration

Service: Carbon Capture and SequestrationService: Pore Space AcquisitionService: PermittingIndustry: Carbon CaptureIndustry: Emissions ControlType: Emissions Control+14 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

ESG Solutions

Houston, TX

Microseismic Subsurface Diagnostics

WebsitePhone3 offices11 projectsFounded 1993Updated Jun 2026

Project: Microseismic Monitoring of Quest's CCUS Operation

Service: Energy ServicesService: Hydraulic Fracture MonitoringService: Induced Seismicity MonitoringIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+26 more

Evoleap

Houston, TX

Backed by experience, enhanced by technology

WebsitePhone1 office6 leaders5 publicationsUpdated Jun 2026

Service detail: Flow Assurance

Service: Flow AssuranceService: Flow Assurance SimulationService: Hydrate & Deposition ModelingIndustry: Oil & GasIndustry: Carbon CaptureType: Process Engineering+13 more

Fenix Solutions, LLC

Responsibility, Innovation, and Experience at the core of what we do

WebsiteUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Conceptual EngineeringService: Basic EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: EPC+13 more

GATE Energy

Houston, TX

Deliver Extraordinary Better.

WebsitePhone1 office6 projects9 leaders3 credentials2 publications

Project: eelReel Blockage Remediation for GOM Deepwater Flowline Decommissioning

Service: Engineering ServicesService: Specialty Well and Pipeline EngineeringService: Well and Process System DesignIndustry: Oil & GasIndustry: PetrochemicalType: Petroleum Engineering+33 more

Geostock Sandia LLC

Pioneering Underground Energy Storage & Subsurface Injection

Website1 projects3 credentialsUpdated Jun 2026

Project: Strategic Biofuels Class VI Well Permitting

Service: Underground Injection & Well EngineeringService: Class I Hazardous & Non-Hazardous Waste DisposalService: Class VI Carbon Dioxide SequestrationIndustry: Carbon CaptureIndustry: Energy StorageType: Geotechnical Engineering+27 more

Green Carbon Capture Inc.

Developing advanced carbon management and utilization technologies

WebsiteUpdated Jun 2026

Service detail: Carbon Capture and Source Retrofits

Service: Carbon Capture and Source RetrofitsService: Direct-Source Emission CaptureService: Direct Air Capture SolutionsIndustry: Power GenerationIndustry: IndustrialType: Environmental Engineering+7 more

Information Systems Laboratories, Inc.

Technology for Real World Solutions

Website1 leadersUpdated Jun 2026

Service detail: RF Digital Engineering and Simulation

Service: RF Digital Engineering and SimulationService: RF Modeling and SimulationService: Hardware-in-the-Loop TestingIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+27 more

Johnston Engineering, PLLC

Spokane, WA

Supporting Your Project Success On Your Timeline

WebsitePhone2 offices1 leadersUpdated Jun 2026

Service detail: Mechanical Engineering and Design

Service: Mechanical Engineering and DesignService: 3D CAD ModelingService: Component DesignIndustry: Carbon CaptureIndustry: Energy StorageType: Mechanical Engineering+37 more

Kelson Marine Co.

Engineering that works in the wild

Website1 leadersUpdated Jun 2026

Service detail: Ocean Structure Design

Service: Ocean Structure DesignService: Aquaculture DesignService: Autonomous Vessel Design and Naval ArchitectureIndustry: MarineIndustry: Renewable EnergyType: Marine Engineering+11 more

Leonardo Technologies, Inc.

Saint Clairsville, OH

Professional Engineering Services

WebsitePhone6 offices3 projects3 publicationsFounded 2001Updated Jun 2026

Project: Wyoming CCUS Study

Service: Engineering Analysis & AssessmentService: Engineering and Economic Cost AnalysisService: Energy System Modeling and Data AnalysisIndustry: Power GenerationIndustry: Oil & GasType: Power & Utility Engineering+10 more

Lonquist Co., LLC

Austin, TX

Leading the Future of Energy with Innovative Consulting and Strategic Project Execution

WebsitePhone1 office1 leaders1 credentialsFounded 2005Updated Jun 2026

Service detail: Solution Mining

Service: Solution MiningService: Salt Cavern EngineeringService: Cavern Drilling and ConstructionIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+16 more

McDermott

Building Energy's Future for Now and What's Next

Website4 projects9 leaders1 credentialsFounded 1923Size Estimate: 30,000 employeesUpdated Jun 2026

Project: Harriet Alpha Platform Decommissioning

Service: EngineeringService: ProcurementService: LocatesIndustry: Oil & GasIndustry: Power Transmission & DistributionType: EPC+25 more

Netherland, Sewell & Associates, Inc.

Dallas, TX

More than a consultant. A trusted advisor.

WebsitePhone2 offices2 leaders2 credentialsFounded 1961Updated Jun 2026

Service detail: Reserves Evaluation and Reporting

Service: Reserves Evaluation and ReportingService: SEC Reserves ReportsService: Reserves AuditsIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+30 more