Public engineering firm directory

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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

Ally General Solutions, LLC

Houston, TX

Building now for tomorrow

Website1 office8 projects7 leadersFounded 2011Updated Jun 2026

Project: Houston Veterans Affair Medical Center

Service: Civil EngineeringService: Highways and Airports EngineeringService: Access Road DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+31 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

Campos Engineering

Dallas, TX

Customized MEP Solutions

WebsitePhone5 offices12 credentialsFounded 1984Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: MEP Engineering Design

Service: MEP Engineering DesignService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: AviationIndustry: GovernmentType: MEP+38 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

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

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

Dreiym Engineering

Houston, TX

Electrical, Corrosion, and Forensic Engineering

WebsitePhone1 office3 leaders3 credentialsFounded 2014Size Estimate: 1-9 employees

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System StudiesService: Electrical Design & ComplianceIndustry: UtilitiesIndustry: TelecommunicationsType: Electrical Engineering+21 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

Engineerum Solutions

Houston, TX

We Innovate

Website3 officesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Structural DesignService: HydraulicsIndustry: TransportationIndustry: AutomotiveType: Automation & Controls+44 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

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

Front Energies

Houston, TX

Floating System Engineering

WebsitePhone1 office1 projects2 credentials1 publicationsUpdated Jun 2026

Project: PentaSemi 15 MW Floating Substructure Development

Service: Time Domain Structural AnalysisService: Strength and Buckling AssessmentService: Fatigue AnalysisIndustry: WindIndustry: Oil & GasType: Naval Architecture+14 more

Hargrove Engineers & Constructors

Mobile, AL

The right people. The right place. The right time.

WebsitePhone18 offices1 credentialsSize Estimate: 2,700 employeesUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Conceptual and Front End StudiesService: Capital Projects EngineeringIndustry: AgricultureIndustry: ChemicalsType: EPC+27 more

Howland Engineering and Surveying Co.

Laredo, TX

Excellence in Engineering & Surveying Since 1922

WebsitePhone3 offices11 projects3 leaders6 credentialsFounded 1922

Project: Alexander 9th Grade Center

Service: SurveyingService: ALTA SurveysService: TxDOT SurveyingIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+63 more

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 more

Lozann, LLC

Houston, TX

Lozann is a Houston, Texas energy-management and sustainability engineering consultancy. It assists commercial developers, builders, and building owners in minimizing energy waste, meeting stringent energy codes, obtaining permits, and securing sustainability certifications. The practice also guides clients through energy-efficiency tax savings, including the 179D tax deduction and 45L tax credit, while providing energy analysis, audits, building commissioning, and sustainable design implementation.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Energy-Efficiency Tax Incentives

Service: Energy-Efficiency Tax IncentivesService: 179D Commercial Buildings Energy-Efficient Tax DeductionService: 45L Energy Efficient Home CreditIndustry: CommercialIndustry: ResidentialType: Mechanical Engineering+12 more

MRI Technologies

Houston, TX

Where creativity meets mission capability.

Website1 office4 projects7 leaders2 credentialsFounded 1988Size Estimate: 100-499 employees

Project: Luna Platform

Service: AI & Intelligent SystemsService: AI AgentsService: RAG PipelinesIndustry: SpaceIndustry: AerospaceType: Aerospace Engineering+35 more

Magnum Technical Services, Inc.

Houston, TX

Engineering tomorrow's ideas today

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Multi-Discipline Engineering Services

Service: Multi-Discipline Engineering ServicesService: Multi-Discipline Project EngineeringService: Programming & ControlsIndustry: ChemicalsIndustry: PetrochemicalType: Process Engineering+22 more

NEKO Aerospace Engineering

Houston, TX

Engineering with precision above all

WebsitePhone1 officeFounded 2021Updated Jun 2026

Service detail: Aerospace Project Engineering

Service: Aerospace Project EngineeringService: FAA Certification and DER SupportService: Supplemental Type CertificatesIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+21 more

Oceaneering International, Inc.

Houston, TX

60 Years of Solving the Unsolvable

WebsitePhone1 office5 projects5 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: FPSO Life Extension - Ocean Installer Collaboration

Service: Remotely Operated Vehicle (ROV) ServicesService: Work-Class ROV OperationsService: Inspection-Class ROV OperationsIndustry: Oil & GasIndustry: Renewable EnergyType: Aerospace Engineering+39 more

Odyssey Space Research, LLC

Houston, TX

Engineering the Future of Spaceflight

WebsitePhone2 offices6 credentialsSize Estimate: 50-200 employeesUpdated Jun 2026

Service detail: Flight Software

Service: Flight SoftwareService: Guidance, Navigation & ControlService: Avionics Integration & TestIndustry: SpaceType: Aerospace Engineering+4 more

Quartet Engineers

Houston, TX

From the Ground Up!

WebsitePhone1 office2 credentialsFounded 2015Size Estimate: 5-50 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering and Testing

Service: Geotechnical Engineering and TestingService: Subsurface investigation and soil boringService: Foundation design recommendationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+26 more