Public engineering firm directory

Find engineering consulting firms by capability and location.

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Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Service detail: Facilities Engineering and Design

Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignService: Industrial and Refining Facility EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+27 more

Associated Design Group Inc

Lafayette, LA

Engineering Excellence. Energy Efficiency. Proven Results.

WebsitePhone3 offices4 projects42 leaders12 credentialsFounded 1981

Project: Caesars Superdome

Service: Mechanical DesignsService: HVAC & Climate ControlService: Plumbing & Piping DesignIndustry: Arts & CultureIndustry: CommercialType: Electrical Engineering+24 more

Bartlett Engineering LLC

Metairie, LA

Forensic Engineering & Custom ASME Process Equipment Design

WebsitePhone1 office2 credentialsFounded 2000Updated Jun 2026

Service detail: Failure Analysis & Forensic Engineering

Service: Failure Analysis & Forensic EngineeringService: Root Cause Failure AnalysisService: Accident ReconstructionIndustry: IndustrialIndustry: MarineType: Forensic Engineering+15 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

Charlie Rick Engineering LLC

Abita Springs, LA

If You Can Dream It, We Can Create It.

WebsitePhone1 office2 leadersFounded 2002Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Construction Services

Service: Construction ServicesService: Residential Construction and RemodelsService: Design-Build ProjectsIndustry: CommercialIndustry: ResidentialType: Design-Build+28 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 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

Downs Engineering, Inc.

West Monroe, LA

Experience. Accountability. Trust.

WebsitePhone1 office1 leaders12 credentialsFounded 2010Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural and foundation designService: Large rotating equipment foundationsIndustry: Oil & GasIndustry: ChemicalsType: Civil Engineering+16 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

G.R. Stucker & Associates, Inc.

Baton Rouge, LA

G.R. Stucker & Associates, Inc. (GRSA) is a full-service engineering and design company headquartered in Baton Rouge, Louisiana. Founded by George R. Stucker in 1972, GRSA provides experience-based, cost-effective engineering solutions to the oil and gas, chemical process, specialty chemical, and related industries. With 50+ years of history, a portfolio of 1,500+ completed projects, and 1,300+ cumulative years of industry experience, GRSA delivers process engineering, mechanical engineering, piping design, and project management services from conceptual design through commissioning.

WebsitePhone1 officeFounded 1972Updated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Conceptual Design & Feasibility StudiesService: Process Simulation & Heat and Material BalancesIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+35 more

Gregory Consulting and Controls, LLC

Lafayette, LA

Service to clients through relationships

WebsitePhone1 office9 projects13 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Drilling Fluids Facility (Adelaide)

Service: Mechanical EngineeringService: Mechanical Design and AnalysisService: Specialized Product DesignIndustry: Food & BeverageIndustry: ManufacturingType: Automation & Controls+24 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

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

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

Infinity Engineering Consultants, LLC

Metairie, LA

Infinite Capabilities | Boundless Potential

WebsitePhone2 offices4 leaders6 credentialsFounded 2004Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Bulkheads and Retaining WallsService: Caissons and CofferdamsIndustry: MarineIndustry: IndustrialType: Civil Engineering+25 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

Kemper Engineering Services, LLC

Baton Rouge, LA

World Class Design, Analysis, and Innovation

WebsitePhone2 offices1 credentialsFounded 2006Updated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Mechanical DesignService: Structural EngineeringIndustry: PetrochemicalIndustry: Oil & GasType: Mechanical Engineering+16 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

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

MCA Engineering

Baton Rouge, LA

MCA Engineering is a Baton Rouge, Louisiana multi-discipline engineering firm established in 2019 by Marcio Araujo, Ph.D., P.E. and Richard Farmer. It delivers civil/structural, process, mechanical, electrical, and piping engineering services to industrial, commercial, and government clients.

WebsitePhone1 office2 leadersFounded 2019Updated Jun 2026

Service detail: Civil / Structural Engineering

Service: Civil / Structural EngineeringService: Structural analysisService: Feasibility studiesIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+12 more

Modjeski and Masters, Inc.

Mechanicsburg, PA

One of the world's leading bridge engineering practices

WebsitePhone19 offices7 projects2 leaders2 credentialsFounded 1893

Project: Hawk Falls Bridge Replacement

Service: Bridge DesignService: Fixed Bridge DesignService: Movable Bridge DesignIndustry: BridgesIndustry: TransportationType: Structural Engineering+26 more

Neu Company, LLC

Lafayette, LA

Engineering With Confidence & Integrity

Website1 office5 leaders1 credentialsFounded 2021Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Overhead CranesService: Below the Hook AttachmentsIndustry: IndustrialIndustry: CommercialType: Civil Engineering+28 more