Public engineering firm directory

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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

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

Baird & Associates

Oakville, ON

Innovation Engineered.®

WebsitePhone14 offices2 projects2 leaders2 credentials2 publications

Project: Gibraltar Point Nearshore Reef Design

Service: Ports, Terminals & Vessel OperationsService: Port & Terminal PlanningService: Port & Terminal DesignIndustry: Ports & HarborsIndustry: MarineType: Coastal Engineering+38 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 more

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

Bryant Consultants

Carrollton, TX

Engineering Solutions for the Built World

WebsitePhone2 offices12 projectsFounded 1996Updated Jun 2026

Project: County Dam Slope Stability Analysis

Service: Forensic ServicesService: Building Envelope ForensicsService: Geotechnical and Foundation Engineering (GEOFORENSICS)Industry: InfrastructureIndustry: Water ResourcesType: Geotechnical Engineering+30 more

Cadick Corporation

Garland, TX

Customized electrical power solutions

WebsitePhone1 office4 leadersFounded 1986Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Flash Hazard AnalysisService: Short Circuit AnalysisIndustry: Electric UtilitiesIndustry: Power GenerationType: Electrical Engineering+27 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

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

Convergence Controls & Engineering

Littleton, CO

Where Controls & Engineering Converge

WebsitePhone2 offices4 credentialsUpdated Jun 2026

Service detail: Control Engineering and Programming

Service: Control Engineering and ProgrammingService: Programmable Logic ControllersService: Supervisory Control and Data AcquisitionIndustry: Oil & GasIndustry: Power GenerationType: Automation & Controls+32 more

DBM Vircon

Tempe, AZ

3D Modeling, Steel Detailing & Digital Engineering

Website2 offices2 leaders1 credentialsFounded 1964Size Estimate: 1,000+ employeesUpdated Jun 2026

Service detail: Steel Modeling and Detailing

Service: Steel Modeling and DetailingService: Design AssistService: Reinforced Concrete Modeling and DetailingIndustry: TransportationIndustry: BridgesType: Structural Engineering+15 more

DC Engineering

Meridian, ID

Defining, refining, and implementing solutions.

Website4 offices2 projects6 leaders2 credentialsFounded 1998Updated Jun 2026

Project: City of Meridian Wastewater Treatment Plant

Service: Electrical EngineeringService: LightingService: PowerIndustry: RetailIndustry: Food & BeverageType: Electrical Engineering+18 more

Deep Reach Technology, Inc.

Stafford, TX

Emerging Market Marine Engineering Consultancy

WebsitePhone1 office4 projects5 leaders1 credentialsFounded 2011

Project: Deep-Sea Mining Digital Twin

Service: Deep-Sea Mining EngineeringService: Mine development plan preparationService: Offshore mining system concept designIndustry: MiningIndustry: WindType: Geotechnical Engineering+53 more

Dinvent Tech LLC

Spring, TX

Empowering minds, Driving innovation.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: Pallas Project

Service: Aerospace EngineeringService: Aerospace Systems EngineeringService: Concept Design & Structural AnalysisIndustry: AerospaceIndustry: NuclearType: Aerospace Engineering+30 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

Engineering Inc Mt

Concord, CA

Intelligent Infrastructure. Enduring Communities.

Website14 offices2 leadersFounded 2023Updated Jun 2026

Service detail: Transportation Engineering

Service: Civil EngineeringService: Transportation EngineeringService: Traffic EngineeringIndustry: MiningType: Civil Engineering+12 more

Engineering Systems Inc.

Scottsdale, AZ

Multidisciplinary Expertise. Industry Insight.

Website22 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Uncovering the Truth Behind a Toy Archery Injury

Service: Accident ReconstructionService: Motor Vehicle Accident ReconstructionService: Industrial and Workplace Incident AnalysisIndustry: AgricultureIndustry: MiningType: Chemical Engineering+57 more

GERS USA LLC

Weston, FL

Generating comprehensive and innovative solutions for the energy sector

WebsitePhone3 officesFounded 1981Updated Jun 2026

Service detail: Power System Studies

Service: Power System StudiesService: Power Systems Planning (Generation and Transmission)Service: Power System Planning (Distribution)Industry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+30 more

GTS Consulting

Bryant, AR

Quality results, timely service.

WebsitePhone5 offices5 credentialsFounded 2005Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Drilling and SamplingService: Foundation Design and Support OptionsIndustry: CommercialIndustry: GovernmentType: Environmental Engineering+34 more

Impac Systems Engineering

Temple, TX

3D Printing Specialist

WebsitePhone1 officeUpdated Jun 2026

Service detail: Product Design and Engineering Support

Service: Product Design and Engineering SupportService: Consumer Electronic PackagingService: Oil and Gas EquipmentIndustry: ManufacturingIndustry: Consumer ProductsType: Industrial Engineering+19 more

Johnson & Pace Incorporated

Longview, TX

Engineering. Architecture. Surveying.

WebsitePhone2 offices10 projects10 leaders7 credentialsFounded 1995

Project: RoyOMartin Corrigan OSB Plant

Service: Civil EngineeringService: Land Planning & Site DevelopmentService: Design & Plan ProductionIndustry: ManufacturingIndustry: EducationType: Civil Engineering+38 more

Kalsi Engineering, Inc.

Sugar Land, TX

Rotary seals, valve software, consulting engineering

WebsitePhone1 office1 leaders2 credentials1 publicationsFounded 1978

Service detail: Structural, Fluid, and Thermal Analysis

Service: Structural, Fluid, and Thermal AnalysisService: Solid mechanics and stress analysisService: Thermo-fluid analysisIndustry: Oil & GasIndustry: NuclearType: Forensic Engineering+38 more

Keystone Engineering Inc.

Mandeville, LA

Engineering Excellence & Innovation in Every Design

WebsitePhone9 offices5 projects8 leaders3 credentialsFounded 1988

Project: Geothermal Water System

Service: Multi-Discipline EngineeringService: Process EngineeringService: Mechanical EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: EPC+26 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