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Ammonite Resources

Houston, TX

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Website9 offices25 leadersFounded 1982Updated Jun 2026

Service detail: Investment Due Diligence

Service: Investment Due DiligenceService: First-Pass Opportunity ReviewsService: Joint Venture Evaluation and RepresentationIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+19 more

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Aura Engineering, LLC

Pearland, TX

A Leading Innovator in Engineering and Design Services

WebsitePhone1 office5 projects2 leaders1 credentials11 publications

Project: Hayti, MO - Railcar to Marine Transfer Facility

Service: Storage Terminal EngineeringService: Storage and Transfer Facility DesignService: Project Feasibility StudiesIndustry: PetrochemicalIndustry: ChemicalsType: Automation & Controls+36 more

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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

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Broadbent & Associates, Inc.

Tempe, AZ

Broadbent & Associates is a full-service environmental consulting, civil engineering, and water resources firm founded in 1987. With approximately 100 employees and offices across Arizona, California, Colorado, Michigan, Nevada, New Mexico, Oregon, Texas, and Utah, Broadbent helps clients maintain compliance, manage environmental liabilities, and develop resources through environmental assessment and remediation, air quality services, water resources, civil engineering, and health and safety consulting.

WebsitePhone11 officesFounded 1987Size Estimate: 100 employeesUpdated Jun 2026

Service detail: Environmental Assessment & Remediation

Service: Environmental Assessment & RemediationService: Air Quality Permitting & Stack TestingService: Civil EngineeringIndustry: Power GenerationIndustry: MiningType: Environmental Engineering+16 more

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Collier Consulting, Inc.

Stephenville, TX

We Bring a World of Solutions

WebsitePhone11 offices18 leadersFounded 1998Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geoscience

Service: GeoscienceService: GroundwaterService: EnvironmentalIndustry: Water ResourcesIndustry: Water SupplyType: Environmental Engineering+30 more

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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

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DeepwaterQA & Engineering

Houston, TX

Zero Failures from Shop to Subsurface.

Website2 officesUpdated Jun 2026

Service detail: Project Planning and Procurement QA

Service: Project Planning and Procurement QAService: Strategic Tender SelectionService: Long Lead Equipment Purchase PlanningIndustry: Oil & GasType: Owner's Engineer+7 more

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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

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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

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Frontier Surveying Co.

Corpus Christi, TX

Oil and gas land surveying experts since 1979.

WebsitePhone1 office12 credentialsFounded 1979Updated Jun 2026

Service detail: Oil and Gas Surveying

Service: Oil and Gas SurveyingService: Proposed well location and pad stakingService: Boundary and surface ownership surveysIndustry: Oil & GasIndustry: TransportationType: Land Surveying+46 more

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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

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GGE Consulting Engineers Inc.

San Antonio, TX

Structural Engineers - Civil - Land Surveying

WebsitePhone3 officesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Slab-on-Grade and Post-Tension Slab DesignService: Structural Systems DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+40 more

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HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

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LCA Environmental, Inc.

Farmers Branch, TX

Providing Sustainable Environmental Solutions That Stand the Test of Time

WebsitePhone1 office2 projects6 leaders11 credentialsFounded 1992

Project: LBJ Freeway Environmental Compliance

Service: Environmental Site AssessmentService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: GovernmentIndustry: FederalType: Environmental Engineering+22 more

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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

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Marino Engineering Associates, Inc.

St. Louis, MO

Advanced Geotechnical, Subsidence, and Forensic Engineering

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Shallow & Deep FoundationsService: Earth Retaining SystemsIndustry: MiningIndustry: Oil & GasType: Geotechnical Engineering+35 more

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Metallurgical Engineering Services, Inc.

Richardson, TX

Your expert resource for materials analysis.

WebsitePhone1 office8 credentialsFounded 1985Updated Jun 2026

Service detail: Materials Testing

Service: Materials TestingService: Mechanical TestingService: Tensile TestingIndustry: AerospaceIndustry: AutomotiveType: Materials Testing+79 more

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NAI Company

Houston, TX

Specializing In Oil And Gas Transmission, Pipeline Integrity Management Services, Leak Detection & Pipelines Maintenance For 25 Years

WebsitePhone1 office1 credentialsFounded 1998Updated Jun 2026

Service detail: Pipeline Integrity Management

Service: Pipeline Integrity ManagementService: Pipeline Inventory MonitoringService: Pipeline Stress MonitoringIndustry: Oil & GasIndustry: UtilitiesType: Process Engineering+9 more

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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

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Process Engineering Associates, LLC

Oak Ridge, TN

Applied Chemical Engineering Services for the Process Industries

WebsitePhone6 officesFounded 1996Updated Jun 2026

Service detail: Process Design

Service: Process DesignService: Conceptual and Preliminary Process Design (FEL-0 / FEL-1)Service: Detailed Process Design (FEL-2 / FEL-3 / Pre-FEED)Industry: Oil & GasIndustry: ChemicalsType: Chemical Engineering+27 more

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Rosenbaum Engineering, PLLC

Abilene, TX

Engineering to Meet Your Needs

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Foundation DesignService: Structural DesignIndustry: CommercialIndustry: GovernmentType: Structural Engineering+15 more

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Roux

Islandia, NY

We Solve Our Clients' Most Challenging Environmental Issues

WebsitePhone15 offices3 leaders1 credentialsFounded 1981Size Estimate: 450+ employees

Service detail: Engineering & Remediation Services

Service: Environmental, Health & Safety Compliance ServicesService: Brownfields / Due DiligenceService: Engineering & Remediation ServicesIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+20 more

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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

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Solaray Engineering, Inc.

Irving, TX

High Standards. Maximum Results.

WebsitePhone2 offices6 projects4 leaders22 credentialsFounded 2009

Project: US377 Cresson Bypass

Service: Transportation EngineeringService: Highway and Freeway Interchange DesignService: Drainage Design and Hydrologic StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

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