Public engineering firm directory

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APS Engineering and Testing

Baton Rouge, LA

APS Lays the Foundation for a Better World

WebsitePhone2 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation DesignIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+22 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

Apex Engineers, Inc.

Kansas City, MO

Your Engineering Partner in Projects Large and Small

WebsitePhone7 offices1 projects8 leadersFounded 2003Size Estimate: 50+ employees

Project: Multi-Sector Structural Engineering Portfolio

Service: Structural DesignService: Commercial Structural DesignService: Residential Structural DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+26 more

Batture LLC

New Orleans, LA

Building a Better Future for New Orleans

WebsitePhone1 office6 credentialsFounded 2018Updated Jun 2026
Service: Civil EngineeringService: Structural EngineeringService: Survey ServicesIndustry: CommercialIndustry: EducationType: Civil Engineering+11 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

Buchart Horn, Inc.

York, PA

Shaping the built environment with precision, creativity, and purpose since 1945

WebsitePhone9 offices6 projects4 leadersFounded 1945Size Estimate: 100-500 employees

Project: I-40/I-240 Interchange Improvements, Memphis, TN

Service: Water Resources EngineeringService: Wastewater treatment plant engineeringService: Water distribution and collection systemsIndustry: Water ResourcesIndustry: WastewaterType: Architecture & Engineering+41 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

Cushing Terrell

Billings, MT

Imagine. Create. Improve.

WebsitePhone17 offices7 projects2 leaders4 credentialsFounded 1938

Project: Google Henderson Hub

Service: ArchitectureService: Historic PreservationService: Adaptive ReuseIndustry: CommercialIndustry: EducationType: Architecture & Engineering+38 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

Eustis Engineering L.L.C.

New Orleans, LA

Where Experience Meets Innovation

WebsitePhone1 office6 leaders21 credentialsFounded 1946Size Estimate: 100+ employees

Service detail: Geotechnical Exploration & Laboratory Testing

Service: Geotechnical Exploration & Laboratory TestingService: Geotechnical EngineeringService: Geotechnical InstrumentationIndustry: Stormwater & Flood ControlIndustry: TransportationType: Geotechnical Engineering+12 more

Evans-Graves Engineers, Inc.

New Orleans, LA

Helping the Gulf Coast work & move.

WebsitePhone2 offices5 projectsFounded 1954Size Estimate: 15-49 employeesUpdated Jun 2026

Project: Cabela's Outdoor Retail

Service: Civil & Site EngineeringService: Commercial DevelopmentService: Community DevelopmentIndustry: CommercialIndustry: TransportationType: Civil Engineering+27 more

FIAB Engineers, LLC

New Orleans, LA

Empowering Industry

WebsitePhone1 office1 leaders1 credentialsFounded 2023Size Estimate: 1-10 employees

Service detail: Electrical Engineering and Design

Service: Electrical Engineering and DesignService: Power Distribution DesignService: Lightning Protection and GroundingIndustry: PetrochemicalIndustry: Oil & GasType: Electrical Engineering+13 more

Function Engineering

Palo Alto, CA

Mechanical engineering and design for new product development

WebsitePhone4 offices1 credentialsFounded 1987Updated Jun 2026

Service detail: Product Development

Service: Product DevelopmentService: Conceptual DesignService: Feasibility StudiesIndustry: Consumer ProductsIndustry: ElectronicsType: Mechanical Engineering+30 more

GreenPoint Engineering

New Orleans, LA

Setting a higher standard in civil infrastructure planning and design

WebsitePhone1 officeUpdated Jun 2026

Service detail: Planning

Service: PlanningService: Water and Wastewater PlanningService: Drainage and Flood Protection PlanningIndustry: InfrastructureIndustry: WastewaterType: Civil Engineering+18 more

Haptech, Inc.

New Orleans, LA

Engineering The Future Of Training & Simulation

WebsitePhone1 officeUpdated Jun 2026

Service detail: ERIS Surrogate Weapons

Service: ERIS Surrogate WeaponsService: Weapon SimulationService: Electronic RecoilIndustry: DefenseType: Defense Engineering+11 more

IMDC, Inc.

Orlando, FL

Quality delivery of multidisciplinary engineering, construction management, and facility support services

WebsitePhone7 offices5 projects1 credentialsFounded 1983Updated Jun 2026

Project: NASA Testing Facility and Shelter Platform Design

Service: Engineering ServicesService: Electrical Systems DesignService: Mechanical and Piping DesignIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+35 more

Integrated Logistical Support, Inc.

New Orleans, LA

ILSI Engineering (Integrated Logistical Support, Inc.) is a New Orleans-based civil engineering practice with decades of experience in civil, structural, and mechanical engineering. It delivers a comprehensive range of services including sewer and drainage design, coastal protection management, water resource management, and program and construction management. ILSI Engineering has contributed to major infrastructure projects across Louisiana, including the Southeast Louisiana Urban Flood Control Project and the Louis Armstrong New Orleans International Airport Capital Improvement Program.

WebsitePhone1 office5 projects3 leadersSize Estimate: 50-99 employeesUpdated Jun 2026

Project: Southeast Louisiana Urban Flood Control Project (SELA)

Service: Water Resource ManagementService: Stormwater & Runoff ManagementService: Sewer & Water InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+19 more

InterMat LLC

New Orleans, LA

Engineering Solutions for Material Handling Terminals

WebsitePhone1 office8 leadersUpdated Jun 2026

Service detail: Strategic Planning

Service: Strategic PlanningService: Financial & Commercial ViabilityService: EHS Compliance PlanningIndustry: MarineIndustry: Ports & HarborsType: Marine Engineering+15 more

Julien Engineering & Consulting, Inc.

New Orleans, LA

Julien Engineering & Consulting, Inc. is a New Orleans-based civil and structural engineering firm founded in 1995, serving public and private clients across Louisiana, Texas, Mississippi, and Illinois. It delivers reliable technical expertise on projects ranging from small-scale renovations to large infrastructure works, including roadways, flood control, waterfront structures, and buildings. Its licensed team provides full project delivery from conceptual planning through construction administration, and also offers expert witness consulting services for attorneys.

WebsitePhone1 officeFounded 1995Size Estimate: 2-15 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Storm Drainage DesignService: Sanitary Sewerage DesignIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+29 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

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