Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Filters2

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

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

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

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

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

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

Schaper Energy Consulting, LLC

Houston, TX

Evaluation and Advisory for the Energy Industry

WebsitePhone1 office1 projects7 leaders3 publicationsUpdated Jun 2026

Project: Riser Energy ORRI Project

Service: Oil & Gas ServicesService: Reserves Engineering and AuditsService: Buyside Technical AdvisoryIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+12 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