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

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

A2 Efficiency

Santa Rosa, CA

Building performance consulting, from first principles to policy.

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Basis of Design & Performance Consulting

Service: MEP Basis of Design & Performance ConsultingService: Early-Stage Energy & Comfort ModelingService: Mechanical System Concept & Basis of DesignIndustry: CommercialIndustry: EducationType: MEP+18 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 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

B2Q Associates

Andover, MA

Better Buildings. Impactful Results.

WebsitePhone1 office8 projects7 leaders4 credentialsFounded 2002

Project: Isenberg School of Management Addition

Service: Building DecarbonizationService: Carbon neutrality and net-zero designService: Electrification feasibility and designIndustry: EducationIndustry: LaboratoriesType: MEP+40 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

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 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

ColeBreit Engineering

Bend, OR

Quality. Integrity. Expertise.

WebsitePhone6 offices1 leaders2 credentialsFounded 2013Size Estimate: 10-50 employees

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC system designService: Indoor air quality (IAQ) and advanced ventilationIndustry: EducationIndustry: HealthcareType: Fire Protection Engineering+45 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

DelTorre Engineering LLC

Manatí, PR

Designing with purpose - your goals are Our Priority

WebsitePhone1 office5 projects3 leadersUpdated Jun 2026

Project: Libertad Street Parking Project

Service: UtilitiesService: Water and Sewer DistributionService: Gas and Electrical Utility CoordinationIndustry: UtilitiesIndustry: TransportationType: Civil Engineering+28 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