Public engineering firm directory

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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

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

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

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

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

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

Civotec LLC

Houston, TX

Where Insight Matters

WebsitePhone3 offices3 credentialsFounded 2022Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Traffic Impact Analysis

Service: Traffic Impact AnalysisService: Traffic Impact Studies & AnalysesService: Trip Generation & DistributionIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+40 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

Collaborative Engineering Group

Houston, TX

Let's Build a Smarter, More Efficient Future

WebsitePhone1 office4 projectsFounded 2010Updated Jun 2026

Project: Brockman Hall for Opera - Rice University

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing and Fire ProtectionIndustry: Arts & CultureIndustry: ReligiousType: MEP+6 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

DCCM

Houston, TX

Design. Consulting. Construction Management.

WebsitePhone1 office5 projects5 leadersFounded 1950Size Estimate: 1,100 employees

Project: Sir Francis Drake Corridor Rehabilitation

Service: Infrastructure Design and ConsultingService: Planning and EngineeringService: Architecture and SurveyingIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+33 more

Doucet Associates Inc A Kleinfelder Company

Austin, TX

We are Doucet.

WebsitePhone6 offices4 leaders2 credentialsUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Master Planned CommunitiesService: Multi-Family DevelopmentsIndustry: CommercialIndustry: RetailType: Civil Engineering+110 more

Duplantis Design Group, PC

Thibodaux, LA

Broad Vision. Expert Focus.

Website9 offices4 projects10 leadersFounded 1997Updated Jun 2026

Project: Louisiana Clean Energy Complex

Service: Civil EngineeringService: PlanningService: Civil Site DesignIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+50 more

ENGlobal Corporation

Houston, TX

Delivering Innovation

WebsitePhone3 officesUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Program ManagementService: Front-End Engineering and Design (FEED)Industry: Oil & GasIndustry: PetrochemicalType: EPC+26 more

ESE Partners

Houston, TX

Responsibly Moving Business Forward

WebsitePhone5 offices8 leadersUpdated Jun 2026

Service detail: Due Diligence

Service: Due DiligenceService: Phase I Environmental Site AssessmentsService: Phase II Environmental InvestigationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+18 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

Engineered Utility Solutions Inc

Houston, TX

Your Partners In Project Delivery

WebsitePhone1 office1 leadersFounded 2019Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Engineering Design & DraftingService: Contract DevelopmentIndustry: Electric UtilitiesIndustry: InfrastructureType: Design-Build+35 more

Eradeh Power Consulting

Houston, TX

Empowering Engineering Excellence

Website1 office1 projects1 leaders2 credentials3 publicationsUpdated Jun 2026

Project: Brook Park Data Center Power Assessment

Service: Power Systems & Data Center ConsultingService: Advanced Grid Connection & Islanded Integration StudiesService: Control Architecture DevelopmentIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Electrical Engineering+33 more

Eric L. Davis Engineering, Inc.

Forney, TX

Plan Build Manage

WebsitePhone4 offices1 leaders1 credentialsFounded 2000Size Estimate: 1-25 employees

Service detail: Commercial Structural Engineering

Service: Commercial Structural EngineeringService: Steel Structural SystemsService: Concrete Structural SystemsIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+32 more

FFG Strategic Consulting, LLC

Houston, TX

Your "Project Excellence" Is Our Goal

WebsitePhone2 offices3 projects1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Gas Turbine Lube Oil Flush

Service: Engineering Consulting ServicesService: Piping and Instrumentation Diagram DevelopmentService: Turbine and Generator Advisory ServicesIndustry: Power GenerationIndustry: IndustrialType: EPC+23 more