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

BECI

Houston, TX

Protecting Enclosures. Together.

WebsitePhone14 offices7 projects33 leadersUpdated Jun 2026

Project: 1111 Church Street

Service: Building Enclosure ConsultingService: Building Enclosure CommissioningService: Building Enclosure TestingIndustry: RetailIndustry: HospitalityType: Architecture & Engineering+21 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

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

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

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

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

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

EJES Inc

Dallas, TX

Providing Service with Excellence

WebsitePhone5 offices9 projects1 credentialsUpdated Jun 2026

Project: Marine Corps Air Station Iwakuni (MCASI)

Service: Civil EngineeringService: Roadway DesignService: Bridge DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+45 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

Infrastructure Consulting & Engineering, LLC

West Columbia, SC

A Full Service Transportation Consulting and Design Firm

WebsitePhone15 offices6 projects5 credentialsFounded 2005Size Estimate: 500-1,000 employees

Project: NC-540 (Triangle Expressway SE Extension)

Service: Roadway and Highway DesignService: Roadway widening and extensionService: Major interchange and intersection designIndustry: TransportationIndustry: GovernmentType: Civil Engineering+85 more

KSA Engineers Inc

Longview, TX

Dedicated to making life better in communities

WebsitePhone17 offices7 projects3 leaders5 credentialsFounded 1978

Project: Sabine River Water Treatment Facility

Service: Water and Wastewater EngineeringService: Water Treatment Plant DesignService: Wastewater Treatment Plant DesignIndustry: AviationIndustry: AirportsType: Architecture & Engineering+43 more

Kenall, Inc.

Houston, TX

Engineering to a Better World

WebsitePhone2 offices4 projects6 leaders8 credentialsFounded 2002

Project: San Joaquin River Restoration Program

Service: Civil and Structural EngineeringService: Civil DesignService: Structural Engineering and DesignIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+40 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

Landau Associates

Seattle, WA

Landau's interdisciplinary team of environmental engineers, geologists, and scientists applies an integrated technical approach - spanning air, noise, water, stormwater, remediation, and permitting - to transform complex environmental challenges into effective risk management solutions. Headquartered in Seattle, Landau operates from nine offices across the Pacific Northwest, Pacific Coast, and Gulf Coast.

Website9 officesUpdated Jun 2026

Service detail: Environmental Remediation

Service: Environmental RemediationService: Water ResourcesService: Permitting & Engineering DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+7 more

Lanier & Associates Consulting Engineers, Inc.

New Orleans, LA

Excellence by Design

WebsitePhone5 officesFounded 1974Updated Jun 2026

Service detail: Civil and Structural Engineering

Service: Civil and Structural EngineeringService: Heavy Haul DesignService: Rail TerminalsIndustry: MarineIndustry: Oil & GasType: Automation & Controls+34 more

MSMM Engineering, LLC

Metairie, LA

From Conception to Completion

WebsitePhone4 offices11 projects5 leaders10 credentialsFounded 2011

Project: Morganza to the Gulf - Reach L Levee

Service: Engineering DesignService: Public InfrastructureService: Flood ControlIndustry: FederalIndustry: GovernmentType: Civil Engineering+32 more

MTA Structural & Forensic Engineers

Houston, TX

MTA Structural & Forensic Engineers provides forensic structural engineering, building failure analysis, hurricane damage assessments, and expert witness services to property owners, attorneys, insurance companies, and contractors throughout Texas, Louisiana, and Florida. Licensed Professional Engineers with multi-discipline expertise in concrete, steel, wood, and masonry structures serve residential, commercial, and industrial clients from offices in Houston and New Orleans.

WebsitePhone2 offices2 leaders6 credentialsUpdated Jun 2026

Service detail: Forensic Structural Engineering

Service: Forensic Structural EngineeringService: Building Failure AnalysisService: Construction Defect Inspections & Peer ReviewIndustry: ResidentialIndustry: CommercialType: Structural Engineering+14 more

N-Y Associates, Inc.

Metairie, LA

Excellence in Design Since 1969

WebsitePhone4 offices1 projects7 leadersFounded 1969Updated Jun 2026

Project: Western Tie-In Closure Structure at Bayou Verret (Sellers Canal)

Service: EngineeringService: Transportation EngineeringService: Water and Wastewater EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+26 more

Orion Engineers & Constructors

Mobile, AL

Enabling success and building relationships.

Website4 officesFounded 2001Updated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Feasibility StudiesService: Front End Loading PackagesIndustry: Biomass & BioenergyIndustry: ChemicalsType: Architecture & Engineering+73 more

RS&H

Jacksonville, FL

Creating Tomorrow, Together.

Website74 offices3 leaders2 credentialsFounded 1941Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+25 more

TAI Engineers LLC

New Orleans, LA

Solutions Built for Tomorrow's Challenges

WebsitePhone2 offices6 projects5 leaders1 credentialsFounded 1993

Project: USCG Sentinel Class Heavy Polar Icebreaker

Service: Engineering and DesignService: Concept and Preliminary DesignService: Contract and Functional DesignIndustry: FederalIndustry: DefenseType: Marine Engineering+20 more

TLC Engineering, Inc.

Houston, TX

TLC Engineering, Inc. is a Houston-based practice providing multi-disciplinary engineering, environmental planning, construction management, and disaster recovery services. Established in 1994, it serves public, private, and municipal clients across Texas, the Gulf Coast, and national markets. It delivers turnkey services from conceptual design through facilities commissioning, with deep experience in infrastructure projects, pipeline design, and FEMA disaster recovery assistance.

WebsitePhone6 offices10 projects9 leadersFounded 1994Size Estimate: 1-50 employees

Project: Hurricane Harvey - City of La Marque Recovery

Service: EngineeringService: Structural Seismic Analysis and DesignService: Architectural Engineering and PlanningIndustry: GovernmentIndustry: Oil & GasType: Architecture & Engineering+41 more