Public engineering firm directory

Find engineering consulting firms by capability and location.

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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

3RE Engineering LLC

Shawnee, KS

Specialized Electrical Engineering for Water & Wastewater Infrastructure

WebsitePhone1 office1 leaders5 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Electrical Design Service

Service: Electrical Design ServiceService: Power Distribution System DesignService: Equipment Specification & GroundingIndustry: WastewaterIndustry: Water SupplyType: Electrical Engineering+11 more

3U Technologies, LLC

Conroe, TX

Business consultant services engineered to withstand any condition

WebsitePhone1 office2 projects11 leaders10 publicationsFounded 1998

Project: Oregon State University Northwest National Marine Renewable Energy Center Support

Service: International Business ConsultingService: Market analysesService: Feasibility studiesIndustry: Oil & GasIndustry: TelecommunicationsType: Marine Engineering+38 more

A.W. Schultz Inc.

Shawnee, KS

Trusted Engineering and Integration Since 1977

WebsitePhone1 office3 credentialsFounded 1977Updated Jun 2026

Service detail: Process Control and SCADA Systems

Service: Process Control and SCADA SystemsService: Process Visualization & HMI/OITService: PLC ProgrammingIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+25 more

AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects1 credentialsFounded 1995Updated Jun 2026

Project: Windmill Farm Initial Planning Study

Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentService: Phase III Environmental AssessmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+34 more

ABQ Engineering, Inc.

Albuquerque, NM

Cost-effective, one-stop engineering, surveying, and planning services

WebsitePhone1 office5 projects1 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Los Alamos County Golf Course Community Building

Service: Civil EngineeringService: Drainage and Hydrology AnalysisService: Grading and Drainage DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+38 more

ACS Engineering & Safety, LLC

Bryan, TX

Failures, Fires, Accidents, Workplace Safety

WebsitePhone1 office2 leaders5 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Forensic Engineering & Investigation

Service: Forensic Engineering & InvestigationService: Failure AnalysisService: Fire & Explosion InvestigationIndustry: IndustrialIndustry: ManufacturingType: Forensic Engineering+14 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Design and AnalysisService: Cast-in-Place ConcreteIndustry: CommercialIndustry: RetailType: MEP+81 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 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

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentialsFounded 2004Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Program and Project Management

Service: Program and Project ManagementService: Project Planning and SchedulingService: Budget and Cost ControlIndustry: GovernmentIndustry: DefenseType: Electrical Engineering+26 more

ARM EnerTech Associates, LLC

Johnstown, PA

Precise. Responsive. Solutions.

WebsitePhone4 offices4 projects7 credentialsFounded 1976Updated Jun 2026

Project: Fresh Water Withdrawal Station

Service: Automation & Control ServicesService: Supervisory Control & Data Acquisition (SCADA)Service: Industrial Process ControlIndustry: ManufacturingIndustry: UtilitiesType: Automation & Controls+31 more

ASI Industrial

Billings, MT

Build On Our Experience

Website1 office1 projectsUpdated Jun 2026

Project: KSU Grain Science Project

Service: Engineering & DesignService: Process EngineeringService: Civil Engineering & DraftingIndustry: AgricultureIndustry: IndustrialType: Process Engineering+14 more

ASUSE Incorporated

Tempe, AZ

Transform Your Vision Into Reality with ASUSE

WebsitePhone1 office1 projects3 credentialsFounded 2021Size Estimate: 1-25 employees

Project: Ak-Chin Indian Community Utility Infrastructure

Service: Engineering DesignService: Power Distribution DesignService: Communication Infrastructure DesignIndustry: Power GenerationIndustry: Oil & GasType: Design-Build+21 more

AVCON Engineering PC

New York, NY

Any Scale, Every Detail Handled.

WebsitePhone1 office9 projects1 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Saks Fifth Avenue Flagship Renovation

Service: Mechanical EngineeringService: Air Conditioning & HeatingService: Ventilation & Exhaust SystemsIndustry: CommercialIndustry: RetailType: MEP+50 more

AXIONS Corporation

Cheyenne, WY

Getting Actions Done with Swift, Smart, Superior & Sustained Results

Website1 office7 leadersUpdated Jun 2026

Service detail: Strategy Consulting

Service: Strategy ConsultingService: Strategy FormulationService: Strategic Assessment and OptimizationIndustry: AerospaceIndustry: SpaceType: Defense Engineering+36 more

Acoustical Engineering Consultants

Elk Grove, CA

Engineering a quieter world and optimizing aural environments, one project at a time.

WebsitePhone2 offices8 projects2 leaders4 credentialsFounded 2008

Project: CalSTRS Headquarters 2.0

Service: Architectural AcousticsService: Room Acoustics Measurement and AnalysisService: Reverberation and Diffusion EngineeringIndustry: EducationIndustry: HealthcareType: Acoustic Consulting+36 more

Acres LLC

West Norriton, PA

Utility Engineering & Infrastructure Design

Website1 office1 leadersFounded 2022Updated Jun 2026

Service detail: Utility Engineering Design

Service: Utility Engineering DesignService: Water Distribution Infrastructure DesignService: Power Distribution Infrastructure DesignIndustry: UtilitiesIndustry: Water SupplyType: Civil Engineering+15 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders2 credentialsFounded 1935Size Estimate: 90 employees

Project: Braddocks Mill Dam

Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignService: Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more

Advanced Cryogenics, Ltd

Tavernier, FL

Optimizing CO2 Management for Sustainability and Success

WebsitePhone1 office1 leaders6 publicationsSize Estimate: 1 employeesUpdated Jun 2026

Service detail: CO2 Source Evaluation

Service: CO2 Source EvaluationService: Technical Source AssessmentService: Business Viability AnalysisIndustry: Carbon CaptureIndustry: Oil & GasType: Process Engineering+18 more

Advanced Technology Systems Company

McLean, VA

We build solutions.

WebsitePhone5 offices3 projects8 leaders2 credentialsUpdated Jun 2026

Project: Georgia Border Surveillance Program

Service: Systems IntegrationService: Security Surveillance SystemsService: Communications SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+18 more