Public engineering firm directory

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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

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

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

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

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

OceanForesters

Feed the World. Fuel the World. Restore Natural CO2 Levels. Cure Climate Change.

Website2 projects7 leaders14 credentials7 publicationsSize Estimate: 1-10 employeesUpdated Jun 2026

Project: SanctuaryReef

Service: Aquaculture & Ocean EngineeringService: Aquatic Foods Ecosystem DesignService: Techno-Economic AnalysisIndustry: MarineIndustry: AgricultureType: Coastal Engineering+4 more

Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leadersFounded 1986Updated Jun 2026

Project: Ash Classification System EPCM

Service: EngineeringService: Mechanical EngineeringService: Structural & Civil EngineeringIndustry: Aggregates & QuarryingIndustry: AgricultureType: Civil Engineering+29 more

Petron Scientech Inc.

Princeton, NJ

Clean technology for a greener future.

WebsitePhone1 office8 leadersUpdated Jun 2026

Service detail: Licensing and Technology Transfer

Service: Licensing and Technology TransferService: Basic Engineering Design PackageService: EPC and PMC ManagementIndustry: Renewable EnergyIndustry: Biomass & BioenergyType: Chemical Engineering+13 more

Pond

Pioneering Innovation Since 1965

Website8 projects3 leaders2 credentialsFounded 1965Size Estimate: 850+ employeesUpdated Jun 2026

Project: Gary/Chicago Airport Air Cargo Development Services

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AviationIndustry: DefenseType: Architecture & Engineering+101 more

Sygnas Corporation LLC

Spring, TX

It's in the Why.

Website1 office3 leadersUpdated Jun 2026

Service detail: Project Management and Development

Service: Project Management and DevelopmentService: Project Feasibility AnalysisService: Project Execution SupportIndustry: Oil & GasIndustry: Renewable EnergyType: Automation & Controls+26 more

Trihydro Corporation

Laramie, WY

Solutions you can count on. People you can trust.

WebsitePhone2 offices3 projects5 leaders1 credentialsFounded 1984

Project: Class VI Carbon Sequestration Project

Service: Environmental ConsultingService: Assessment and RemediationService: Permitting and ComplianceIndustry: Carbon CaptureIndustry: ChemicalsType: Chemical Engineering+33 more

Trimeric Corporation

Process engineering, chemical engineering, and technical research services.

Website2 projects2 leaders1 credentials5 publicationsFounded 2003Updated Jun 2026

Project: Illinois Basin - Decatur Project

Service: Process & Chemical EngineeringService: Process Modeling and SimulationService: Process Troubleshooting and OptimizationIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+26 more