Public engineering firm directory

Find engineering consulting firms by capability and location.

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ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Readiness and Lifecycle Support

Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadService: Engineering Readiness ReviewsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+23 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

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

Alter Engineers

Oakland, CA

Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: UC Berkeley Hildebrand Hall HVAC Modernization

Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordService: Design Drawing CreationIndustry: EducationIndustry: Research FacilitiesType: Mechanical Engineering+23 more

Ameresco, Inc.

Leading the global energy transition as a full-service energy partner

WebsiteUpdated Jun 2026

Service detail: Energy Efficiency

Service: Energy EfficiencyService: Indoor Lighting & ControlsService: LED Street & Area LightingIndustry: FederalIndustry: GovernmentType: Power & Utility Engineering+40 more

Andelman and Lelek Engineering, Inc.

Norwood, MA

Solutions for Sustainable Designs

WebsitePhone1 office23 projects2 leaders1 credentialsFounded 1998

Project: Brown University Brook Street Residence Halls

Service: Energy ModelingService: Building Energy ModelingService: Daylighting ModelingIndustry: Arts & CultureIndustry: CommercialType: Owner's Engineer+22 more

Aquatech Engineering P.C.

New York, NY

Leveraging technology to solve today's water-related challenges

Website1 office8 projects2 leadersFounded 2012Updated Jun 2026

Project: Hydrologic/Hydraulic Modeling for New York City DEP's LTCP4

Service: Hydraulic, Hydrodynamic & Hydrologic ModelingService: Water Distribution System Hydraulic & Water Quality ModelingService: Stormwater Management & Flood MitigationIndustry: Stormwater & Flood ControlIndustry: WastewaterType: Water / Wastewater Engineering+16 more

Blue Trident, LLC

For today and tomorrow. Collaborative solutions designed for construction

Website5 projects1 leaders4 credentialsFounded 2012Size Estimate: 5-50 employeesUpdated Jun 2026

Project: Puget Sound Health Care System Engineering Services

Service: Architecture & EngineeringService: Structural EngineeringService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+21 more

Bridgestone Associates, Ltd.

Chadds Ford, PA

A Boutique Energy Consulting Firm

WebsitePhone1 office1 leadersFounded 1991Updated Jun 2026

Service detail: Energy Consulting & Advisory

Service: Energy Consulting & AdvisoryService: Energy Facility Feasibility EvaluationsService: Energy and Infrastructure Investment Due DiligenceIndustry: Power GenerationIndustry: Renewable EnergyType: Power & Utility Engineering+38 more

Building Energy Solutions

Nedrow, NY

Customized MEP design and construction services under one roof.

WebsitePhone1 office8 projects1 leaders6 credentialsFounded 2002

Project: Gordon Science Center Commissioning

Service: MEP EngineeringService: HVAC and MEP Engineering ServicesService: MEP Construction Documents Design and PreparationIndustry: EducationIndustry: HealthcareType: MEP+44 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

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

CLP Engineering

Denver, CO

Planning and design with O&M in mind

WebsitePhone1 office8 projects11 leaders1 credentialsUpdated Jun 2026

Project: APG Electrical Distribution System Infrastructure Upgrade

Service: MicrogridsService: Microgrid Systems IntegrationService: Planning and Energy AnalysisIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

Centurum

McLean, VA

End-to-End Life Cycle Solutions for Defense and Federal Networks

WebsitePhone5 offices3 projects1 credentialsFounded 2004Size Estimate: 400+ employees

Project: AN/USQ-82(V) Data Multiplex System (xDMS) Engineering Support

Service: Cybersecurity and Information AssuranceService: CMMC Level 2 ComplianceService: Integrated Product SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+22 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 more

Colby Company, LLC

Portland, ME

At the intersection of engineering and design.

WebsitePhone1 office4 leadersFounded 2008Size Estimate: 65-70 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Planning StudiesService: Construction Administration For New BuildingsIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 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

Concord Engineering Group Inc

Voorhees, NJ

Building Your Tomorrow!

WebsitePhone3 offices5 projects10 leaders1 credentialsFounded 1989

Project: Mount Airy Casino Resort

Service: Commercial & MEP/FP EngineeringService: Mechanical and HVACService: Electrical EngineeringIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+37 more

CoolSys Energy Design

Princeton, NJ

Engineering Solutions That Power Your Bottom Line.

WebsitePhone3 offices8 projects7 leaders9 credentialsSize Estimate: 100-250 employees

Project: Atrium Palace Condominiums

Service: Mechanical and HVAC EngineeringService: Heating, Ventilation, and Air Conditioning SystemsService: Chiller and Boiler Central PlantsIndustry: CommercialIndustry: RetailType: Automation & Controls+48 more

Crossland Engineering, LLC

Honolulu, HI

Big Firm Results Small Firm Service

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: HVAC Engineering

Service: HVAC EngineeringService: Heating, Ventilation, and Air-Conditioning (HVAC) Design and EngineeringService: Central Chilled Water and Hot Water PlantsIndustry: CommercialIndustry: ResidentialType: Mechanical Engineering+29 more

Daedalus, Inc.

Pittsburgh, PA

Research, Design, and Engineering

WebsitePhone1 office11 projects4 leaders9 credentials1 publications

Project: Runway Lighting Product Lines

Service: ResearchService: User ResearchService: Ethnographic ResearchIndustry: HealthcareIndustry: LaboratoriesType: Mechanical Engineering+46 more

Dalkia Energy Solutions

Beverly, MA

Empowering Sustainability and Decarbonization

WebsitePhone4 officesUpdated Jun 2026

Service detail: Energy Efficiency Solutions

Service: Energy Efficiency SolutionsService: Energy Performance ContractingService: Building Energy ManagementIndustry: HealthcareIndustry: EducationType: Power & Utility Engineering+6 more

Dignitas Technologies, LLC

Orlando, FL

Shaping the Future of Simulation & Training

WebsitePhone1 office3 projectsFounded 2004Updated Jun 2026

Project: Next Generation Constructive (NGC) Prototype Development

Service: Modeling, Simulation, and TrainingService: Adaptive Learning SolutionsService: Battlespace Visualization and InteractionIndustry: DefenseIndustry: FederalType: Simulation Engineering+7 more

Energy Concepts of Southwest Florida

Fort Myers, FL

Making Buildings Work Since 2005

WebsitePhone1 office2 projectsFounded 2005Updated Jun 2026

Project: Talon Preserve Clubhouse

Service: Mechanical EngineeringService: HVAC SystemsService: Specialty Mechanical SystemsIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+62 more