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.

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3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects2 leaders3 credentialsUpdated Jun 2026

Project: Superbowl LI Cellular Network Modifications

Service: A&E ServicesService: Site Feasibility StudiesService: Erosion and Sediment Control PlanningIndustry: Oil & GasIndustry: TelecommunicationsType: Architecture & Engineering+30 more

3Dent Technology, LLC

Houston, TX

Offshore Engineering and Consulting

WebsitePhone1 officeUpdated Jun 2026

Service detail: Offshore Engineering & Consulting

Service: Offshore Engineering & ConsultingService: Concept & Basic DesignService: Simulation EngineeringIndustry: Oil & GasIndustry: MarineType: Structural Engineering+5 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

Aiken Engineering Company

Houston, TX

Aiken Engineering designs and evaluates specialized equipment and components for critical service applications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Analysis

Service: Engineering AnalysisService: Finite Element AnalysisService: Engineering Design and DraftingIndustry: Oil & GasIndustry: Power GenerationType: Mechanical Engineering+15 more

Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leadersFounded 1993Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Environmental EngineeringIndustry: Oil & GasIndustry: ManufacturingType: Civil Engineering+26 more

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

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

Baker Marine Solutions

Covington, LA

Your trusted partner in marine assurance and consulting services.

WebsitePhone4 offices4 projects8 leaders4 credentialsFounded 2008

Project: Shell Appomattox Marine Assurance

Service: Marine Engineering SolutionsService: Vessel DesignService: Vessel Upgrades and ModificationsIndustry: Oil & GasIndustry: Renewable EnergyType: Marine Engineering+34 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

Blast Resource Group

Houston, TX

Your trusted, single-source solution for all things blast

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Facility SitingService: Consequence AnalysisIndustry: Oil & GasIndustry: PetrochemicalType: Simulation Engineering+37 more

Brown & Root Industrial Services, LLC

Baton Rouge, LA

Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.

Website4 offices1 credentialsUpdated Jun 2026

Service detail: Plan & Design

Service: Plan & DesignService: EngineeringService: EstimatingIndustry: IndustrialIndustry: Oil & GasType: Industrial Engineering+27 more

BuildEng LLC

Houston, TX

Houston's Trusted Geotechnical Engineering Company - Serving Texas & Arizona Since 2016

WebsitePhone1 office2 credentialsFounded 2016Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Soil Testing & InvestigationService: Foundation Engineering & DesignIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+16 more

C&I Engineering

Louisville, KY

Your Engineering Partner

Website6 offices6 projects3 leaders1 credentialsUpdated Jun 2026

Project: Thin Liquids Production Facility

Service: Multi-Discipline EngineeringService: Civil and structural engineeringService: Mechanical engineeringIndustry: Oil & GasIndustry: PetrochemicalType: Industrial Engineering+45 more

C-Job Naval Architects

Hoofddorp, TX

Maritime innovators creating ripples of change in naval architecture

Website2 offices8 projectsFounded 2009Size Estimate: 50-200 employeesUpdated Jun 2026

Project: Anna Weber-van Bosse - Research Vessel for NIOZ

Service: Design and Engineering for New-Build VesselsService: Feasibility StudiesService: Operational Pattern AnalysisIndustry: MarineIndustry: Power GenerationType: Naval Architecture+29 more

C. H. Fenstermaker & Associates, L.L.C.

Lafayette, LA

Surveying. Engineering. Environmental Consulting.

WebsitePhone9 offices10 projectsFounded 1950Updated Jun 2026

Project: Louisiana Watershed Initiative - Topographic and Bathymetric Data Collection

Service: Surveying & MappingService: Topographic & Boundary SurveysService: Construction Surveys & StakeoutIndustry: Oil & GasIndustry: PetrochemicalType: Land Surveying+30 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Civil & Environmental Consultants, Inc.

Pittsburgh, PA

We Own It.

WebsitePhone14 offices9 leaders2 credentialsFounded 1989Size Estimate: 1,500 employees

Service detail: Civil Engineering

Service: Air QualityService: Civil EngineeringService: One Of Cec's Four Founding PracticesIndustry: ManufacturingIndustry: MiningType: Civil Engineering+31 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

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

D3 Engineering Solutions

Houston, TX

Listen. Collaborate. Solve.

Website1 office3 leadersFounded 2020Updated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Project PlanningService: Offshore LogisticsIndustry: Oil & GasIndustry: Renewable EnergyType: Marine Engineering+20 more

Deepwater Corrosion Services Inc.

Houston, TX

Way ahead in corrosion control

WebsitePhone4 offices5 projects1 leaders5 credentialsFounded 1986

Project: SYU Platforms Anode Retrofit

Service: Cathodic Protection EngineeringService: CP Design and EngineeringService: Predictive CP ModelingIndustry: Oil & GasIndustry: WindType: Materials Engineering+26 more

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

Draftex Services Inc

The Woodlands, TX

Proven Reputation with Innovative Solutions

WebsitePhone2 offices3 leadersFounded 2000Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Commercial Structural DesignService: Residential Structural DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+16 more