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

Beta Engineering

Pineville, LA

Beta Engineering is a high-voltage EPC firm that designs, procures, and constructs substation and transmission line projects across the US for utilities, renewable developers, data centers, and industrial customers. Founded in 1975 as part of the Crest Industries family of companies, Beta delivers turnkey EPC solutions and factory-built substations under its Agile by Beta product line, and has helped clients connect more than 6,000 MW of renewable energy to the grid.

WebsitePhone1 officeFounded 1975Updated Jun 2026

Service detail: Turnkey EPC Substations

Service: Turnkey EPC SubstationsService: Factory-Built SubstationsService: Engineering ServicesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+4 more

Bridge Diagnostics, Inc.

Louisville, CO

Protecting What You Build

WebsitePhone6 offices1 projects2 publicationsFounded 1989Size Estimate: 50-100 employees

Project: Runway Pavement Sensor System at Charlotte Douglas International Airport

Service: Diagnostic Load TestingService: Structural Health MonitoringService: Nondestructive Evaluation (NDE) and TestingIndustry: TransportationIndustry: Power GenerationType: Civil Engineering+23 more

Brooks, Jackson, Little & May, Inc.

Baton Rouge, LA

Brooks, Jackson, Little & May, Inc. is a consulting and forensic engineering firm founded in 1992 and headquartered in Baton Rouge, Louisiana, with a satellite office in Jacksonville, Florida. BJLM specializes in electrical engineering forensic investigations, including accident and incident reconstruction involving high- and low-voltage power systems, equipment failures, electrical contact and arc-blast injuries, and fire and explosion origin and cause determination. It serves electric utility and industrial clients throughout the United States and routinely supports legal counsel with technical analysis, discovery assistance, and trial exhibits. All member engineers are licensed Professional Engineers and Certified Fire and Explosion Investigators (CFEI), with extensive combined experience in electric utility system design, operation, and maintenance.

WebsitePhone2 offices5 leaders2 credentialsFounded 1992Updated Jun 2026

Service detail: Forensic Engineering Investigation

Service: Forensic Engineering InvestigationService: Electrical accident and incident reconstructionService: Fire and explosion origin and cause determinationIndustry: Electric UtilitiesIndustry: IndustrialType: Forensic Engineering+17 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

CLC Engineering, LLC

Alexandria, LA

CLC Engineering is a consulting practice based in Alexandria, Louisiana, known for its focused, client-driven approach and responsive service. It specializes in civil and structural engineering for foundations, substations, switchyards, and transmission and distribution lines. Additional services include electrical design for high-voltage systems, environmental services, and forensic engineering inspections for industrial, commercial, and residential structures. Licensed in all 50 states and one U.S. territory, CLC manages projects across the continental United States and internationally.

WebsitePhone1 office3 leaders3 credentialsSize Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Civil Design

Service: Civil DesignService: Storm DrainageService: Site GradingIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Civil Engineering+38 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

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

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

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

GEC, Inc.

Baton Rouge, LA

Engineering the Future

WebsitePhone4 offices6 projects11 leaders3 credentialsFounded 1986

Project: Huey P. Long Bridge Widening Project

Service: Civil, Structural, and Transportation EngineeringService: Civil and Structural EngineeringService: Bridges and RoadwaysIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+27 more

Grand Isle Shipyard

Galliano, LA

Pioneering Energy Excellence

WebsitePhone1 office7 projects2 credentialsFounded 1948Size Estimate: 3,200 employees

Project: Hurricane Ida Recovery

Service: Engineering & SurveyService: Civil Engineering & DesignService: Surveying & GeospatialIndustry: Oil & GasIndustry: PetrochemicalType: EPC+35 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

Intelligent Transportation Systems LLC

Prairieville, LA

Engineering a Safer and Better World.

WebsitePhone1 office4 projects1 credentialsUpdated Jun 2026

Project: Louisiana Adaptive Signal System Implementation

Service: EngineeringService: Traffic & Adaptive Signal EngineeringService: ITS Planning & Systems EngineeringIndustry: TransportationIndustry: InfrastructureType: Electrical Engineering+14 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

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

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

Parish Engineering, LLC

Baton Rouge, LA

We Bring Your Ideas to Reality

WebsitePhone2 offices5 projects3 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Lancaster Elementary School Addition

Service: Mechanical EngineeringService: HVAC SystemsService: Plumbing SystemsIndustry: EducationIndustry: HealthcareType: MEP+23 more