Public engineering firm directory

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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

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

AM Power Solutions & Services LLC

Liberty Lake, WA

AM Power Solutions & Services LLC is an engineering and consulting practice specializing in tailored power and automation solutions. It serves power generation, utility, and industrial clients with a team of field-experienced engineers. In addition to traditional utility networks, the practice possesses specialized experience in isolated power systems and microgrid applications.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Substation and Plant Installations

Service: Substation and Plant InstallationsService: Plant InstallationsService: Substation InstallationsIndustry: Power GenerationIndustry: UtilitiesType: Automation & Controls+28 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

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

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

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Bridgers & Paxton Consulting Engineers, Inc.

Albuquerque, NM

We make buildings come to life

WebsitePhone3 offices3 projects10 credentialsFounded 1951Updated Jun 2026

Project: Kirtland Air Force Base Microgrid Resiliency Project

Service: Mechanical EngineeringService: Heating, Ventilating, and Air Conditioning (HVAC)Service: Central Plant DesignIndustry: GovernmentIndustry: HealthcareType: MEP+45 more

Cleanera Technologies Inc

Naperville, IL

Engineering a Sustainable Future with Safe, Innovative Solutions

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Project Concept DevelopmentService: Pre-Feasibility Studies and ReportsIndustry: HealthcareIndustry: HospitalityType: Architecture & Engineering+75 more

Coastal Grid Inc

San Luis Obispo, CA

Engineering The Grid Of Tomorrow

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Design and Project Engineering

Service: Design and Project EngineeringService: Electrical Substation Design, Drafting, and Project ManagementService: Project Design and Print PackagesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+27 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Commonwealth Associates, Inc.

Jackson, MI

Experience the power of partnership.

WebsitePhone1 office11 projects6 credentialsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: 500MW Solar Farm Engineering & System Studies

Service: Renewable Energy EngineeringService: Solar PV DesignService: Battery Energy Storage SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+44 more

Copper Roots

Fort Worth, TX

Engineering Excellence, Rooted in People

Website1 office10 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Power System Design

Service: Power System DesignService: Greenfield, Rebuild, and Interconnection DesignService: Foundation DesignIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+12 more

Crenshaw Consulting Engineers, Inc.

Raleigh, NC

Committed to Customer Satisfaction through Quality Engineering

WebsitePhone2 offices1 projects1 leadersFounded 1995Size Estimate: 44 employees

Project: The Eastern (North Hills Tower IV)

Service: Mechanical, Electrical & Plumbing EngineeringService: Mechanical DesignService: Heating, cooling, and ventilation systemsIndustry: CommercialIndustry: RetailType: MEP+66 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

DiClemente Siegel Design Inc.

Southfield, MI

Engineering & Architecture

WebsitePhone2 offices2 leadersFounded 1969Updated Jun 2026

Service detail: Architectural Design

Service: Architectural DesignService: Space PlanningService: Interior DesignIndustry: HealthcareIndustry: CommercialType: Architecture & Engineering+68 more

EESEngineering

Phoenix, AZ

Collaborate. Innovate. Excel.

Website1 office2 projects1 leadersFounded 2020Updated Jun 2026

Project: City of Phoenix Transportation 2050 Program Support

Service: General Engineering ConsultingService: Utility Interconnection EngineeringService: OATT EngineeringIndustry: TransportationIndustry: AirportsType: Electrical Engineering+26 more

Electrical Design Consultants Inc

Augusta, GA

Professional electrical engineering solutions since 1981

WebsitePhone1 officeFounded 1981Updated Jun 2026

Service detail: Electrical System Design & Planning

Service: Electrical System Design & PlanningService: Load AnalysisService: Voltage Drop CalculationsIndustry: CommercialIndustry: IndustrialType: Electrical Engineering+51 more

EnerNex

Knoxville, TN

Your Trusted Advisor.

WebsitePhone1 office22 leaders1 credentials2 publicationsFounded 2003

Service detail: Electric Energy System Engineering & Analysis

Service: Electric Energy System Engineering & AnalysisService: Transmission and Distribution StudiesService: Bulk Power System AnalysisIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+36 more

EngGroup, PSC

Culebra, PR

Power in Motion

WebsitePhone1 office1 projects1 leadersFounded 2013Updated Jun 2026

Project: PREPA Energy Management System Maintenance & Operations

Service: Energy Management & Control SystemsService: Managed Services for Energy Management SystemsService: SCADA & Automatic Generation Control (AGC) SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+16 more

Equagen Engineers PLLC

Raleigh, NC

Engineering by Ingenuity

Website1 office2 credentialsSize Estimate: 51-200 employeesUpdated Jun 2026

Service detail: Substation Engineering

Service: Substation EngineeringService: Feasibility StudiesService: Site Selection and EvaluationIndustry: Power Transmission & DistributionIndustry: Renewable EnergyType: Power & Utility Engineering+54 more

Eradeh Power Consulting

Houston, TX

Empowering Engineering Excellence

Website1 office1 projects1 leaders2 credentials3 publicationsUpdated Jun 2026

Project: Brook Park Data Center Power Assessment

Service: Power Systems & Data Center ConsultingService: Advanced Grid Connection & Islanded Integration StudiesService: Control Architecture DevelopmentIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Electrical Engineering+33 more

Feldhake Consulting LLC

Helping to cut your business and energy costs

Website1 leadersSize Estimate: 1 employeesUpdated Jun 2026

Service detail: Business Development

Service: Business DevelopmentService: KPI and ROI ImprovementsService: New Project DevelopmentIndustry: ManufacturingIndustry: Food & BeverageType: Electrical Engineering+23 more