Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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A & S Engineers, Inc.

San Francisco, CA

Full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm

Website1 office6 leadersUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC & Hydronic SystemsService: Energy Modeling & AnalysisIndustry: Multifamily ResidentialIndustry: Data CentersType: MEP+18 more

AMS Corporation

Knoxville, TN

Innovating Nuclear Technology

WebsitePhone1 office10 leaders5 credentialsFounded 1977Size Estimate: 100 employees

Service detail: I&C Performance Testing

Service: I&C Performance TestingService: Online Monitoring (OLM)Service: Reactor Thermal Power CalculationsIndustry: NuclearIndustry: Oil & GasType: Automation & Controls+20 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

ARC Engineering, LLC

Sheridan, WY

When It Comes to Electrically Engineered Solutions, We Are Your Partner!

Website1 office3 projects4 leadersFounded 2019Updated Jun 2026

Project: Municipal Water Treatment Plant PLC Replacement

Service: Substation DesignService: New Substation DesignService: Substation UpgradesIndustry: Electric UtilitiesIndustry: Power GenerationType: Electrical Engineering+14 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

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

Advanced Control Services Inc

Dorado, PR

Empowering Your Automation Projects

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Controls and Automation

Service: Controls and AutomationService: PLC and SCADA ProgrammingService: Control Panel IntegrationIndustry: CommercialIndustry: IndustrialType: Automation & Controls+18 more

Advanced Research and Technology Corporation

Oxnard, CA

Innovations for a Better Tomorrow

WebsitePhone1 office3 projects1 leaders8 credentials2 publications

Project: Navy Threat Simulator Validation Contract

Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisService: Radar Signature ControlIndustry: DefenseIndustry: AerospaceType: Defense Engineering+31 more

Albert Kahn Associates, Inc.

Detroit, MI

Improving Life Through Design

Website1 office11 projects4 leadersUpdated Jun 2026

Project: VinFast Auto USA

Service: ArchitectureService: Condition Assessment ReportService: Existing Facilities EvaluationIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+42 more

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026

Project: The Lucas Museum of Narrative Art

Service: MEP EngineeringService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: CommercialIndustry: RetailType: MEP+65 more

Algebra AEC, LLC

Cleveland, OH

MEP & Sustainability Consulting

WebsitePhone1 office18 projects1 leadersFounded 2014Size Estimate: 5-30 employees

Project: Cleveland Clinic / CWRU - Health Education Campus

Service: MEP EngineeringService: HVAC EngineeringService: Plumbing EngineeringIndustry: HealthcareIndustry: EducationType: MEP+33 more

Allen + Shariff

Columbia, MD

Engineering Together

WebsitePhone7 offices3 projects9 leadersUpdated Jun 2026

Project: Wallops Mission Operations Command Center

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: ResidentialType: MEP+34 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Anacapa Engineering and Design, Inc.

Bakersfield, CA

Transform Your Vision with Our Professional Engineering Team.

WebsitePhone1 office2 projects8 leadersFounded 2017Updated Jun 2026

Project: Springville Library

Service: Mechanical EngineeringService: System Design From Prototyping To ProductionService: Creating Reliable Configurations That Optimize PerformanceIndustry: IndustrialIndustry: Renewable EnergyType: Civil Engineering+36 more

Applied Power Technologies, Inc

San Jose, CA

Powering Insights, Empowering Solutions

WebsitePhone2 offices2 credentialsUpdated Jun 2026

Service detail: EPMS Design

Service: EPMS DesignService: Requirements AnalysisService: Engineering & DesignIndustry: HealthcareIndustry: EducationType: Electrical Engineering+22 more

Armant LLC

Data-driven aerospace engineering modeling, simulation, and testing services.

Website5 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Modeling and Simulation

Service: Modeling and SimulationService: Multi-Physics SimulationService: CFD and Aerothermal SimulationIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+27 more

Art Anderson Associates

Bremerton, WA

Multidisciplinary Engineers for Land and Sea

WebsitePhone1 office4 projects5 leaders1 credentials1 publications

Project: Ediz Hook Shoreline Restoration

Service: Architecture & EngineeringService: Civil Site DesignService: Structural AssessmentsIndustry: DefenseIndustry: GovernmentType: Naval Architecture+34 more

AvanTech Strategies Corporation

Hume, VA

Material solutions and technical consulting for defense applications.

Website1 officeUpdated Jun 2026

Service detail: Science & Technology Assessments

Service: Science & Technology AssessmentsService: Electro-Mechanical ConsultingService: Scanning Electron Microscopy Forensic AnalysisIndustry: DefenseType: Defense Engineering+9 more

BELDEN Consulting Engineers

Pleasanton, CA

Over 50 years of expert consulting solutions

WebsitePhone1 officeSize Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power distributionService: Lighting designIndustry: ResidentialIndustry: Multifamily ResidentialType: MEP+28 more

BSE Engineering, Inc.

San Diego, CA

Mechanical, Electrical, and Plumbing Engineering Consultants

WebsitePhone1 office12 projects6 leadersFounded 1962Updated Jun 2026

Project: Sharp Chula Vista Emergency Department Transformation

Service: Mechanical EngineeringService: HVAC DesignService: Indoor Air Quality SystemsIndustry: HealthcareIndustry: AviationType: MEP+30 more

Ball Maritime Group

25 Years of Maritime Engineering Experience.

Website1 projectsUpdated Jun 2026

Project: Bulkheads, Enmarket Arena

Service: Maritime Strategic PlanningService: Terminal PlanningService: Presentation Graphics & ReportsIndustry: GovernmentIndustry: MarineType: Civil Engineering+27 more

Bay Engineering, Inc.

Sturgeon Bay, WI

Integrity in Every Design, Solutions for Every Challenge: Your Trusted Marine Engineering Partner.

WebsitePhone1 office1 projects8 leadersFounded 1996Updated Jun 2026

Project: First Great Lakes Bulk Freighter in Nearly Four Decades

Service: Naval ArchitectureService: Stability Analysis & SurveysService: Weight Engineering & Tank PlansIndustry: MarineIndustry: CommercialType: Marine Engineering+26 more