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

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Agritech and Renewable Energy Engineering

Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationService: Controlled Environment Agriculture SystemsIndustry: Renewable EnergyIndustry: AgricultureType: Owner's Engineer+22 more

AGRA Industries, Inc.

Merrill, WI

Design-build general contractor, steel fabricator, and equipment manufacturer for industrial agricultural facilities.

WebsitePhone1 office1 credentialsFounded 1962Updated Jun 2026

Service detail: Design and Engineering

Service: Design and EngineeringService: EPCM and Design-Build DeliveryService: Scheduling & ProcurementIndustry: AgricultureIndustry: Food & BeverageType: Industrial Engineering+22 more

ALP Systems, Inc.

Waynesville, NC

ALP Systems, Inc. is a lightning protection engineering and installation firm in Waynesville, North Carolina, with over 30 years of experience. It provides engineering, consulting, and design services for structural lightning protection, grounding and bonding systems, and surge protection, certified by LPI Master Designers. ALP's technicians hold LPI Master Installer, LPI Journeyman Installer, and extensive OSHA safety credentials and serve commercial, residential, government, military, oil and gas, petrochemical, solar and wind energy, broadcasting, and communications sectors. It has completed projects in 43 states and internationally.

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: Engineering, Consulting & Design

Service: Engineering, Consulting & DesignService: Site-specific EngineeringService: ConsultingIndustry: Oil & GasIndustry: DefenseType: Electrical Engineering+13 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

Adalta Engineering Group, LLC

El Paso, TX

Designing critical infrastructure that supports life.

WebsitePhone1 office1 leaders1 credentialsFounded 2009Updated Jun 2026

Service detail: Mechanical Systems Design

Service: Mechanical Systems DesignService: HVAC DesignService: Plumbing System DesignIndustry: InfrastructureIndustry: CommercialType: Mechanical Engineering+13 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 Geotechnical Solutions Inc

Casper, WY

Engineering You Can Trust, Results You Can Build on

WebsitePhone1 office5 projects3 credentialsUpdated Jun 2026

Project: Kirtley Powerline

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Laboratory TestingIndustry: Land DevelopmentIndustry: MiningType: Geotechnical Engineering+11 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 Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 more

Badger Technology Group, Inc.

Port Washington, WI

Advanced aerospace engineering, flight simulation, and technology integration solutions

Website1 office1 projects3 credentialsUpdated Jun 2026

Project: US Air Force HESS Contract

Service: Avionics and Mission SystemsService: Glass Cockpit UpgradesService: Navigation and Communication SystemsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+26 more

Baker Marine Solutions

Covington, LA

Your trusted partner in marine assurance and consulting services.

WebsitePhone4 offices4 projects8 leaders4 credentialsFounded 2008

Project: Shell Appomattox Marine Assurance

Service: Marine Engineering SolutionsService: Vessel DesignService: Vessel Upgrades and ModificationsIndustry: Oil & GasIndustry: Renewable EnergyType: Marine Engineering+34 more

Bender Energy Group, LLC

Cincinnati, OH

The Leader In Energy Management Services.

Website1 office1 credentialsUpdated Jun 2026

Service detail: Facility Energy Auditing

Service: Facility Energy AuditingService: Investment-Grade Energy AuditsService: Resource Conservation Measure AnalysisIndustry: CommercialIndustry: GovernmentType: Mechanical Engineering+16 more

Bergman & Associates

Haverhill, MA

Multi-disciplinary engineering services for public and private development

WebsitePhone1 office19 projectsFounded 1993Updated Jun 2026

Project: Massabesic Experimental Forest Timber Bridge

Service: Structural EngineeringService: Analysis and ModificationService: Structural DesignIndustry: BridgesIndustry: RailType: Structural Engineering+46 more

Black Sheep Engineering

Bozeman, MT

Game Changers. Future Chasers.

Website1 office3 leadersFounded 2015Size Estimate: 15 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Geothermal SystemsService: Energy ManagementIndustry: ResidentialIndustry: CommercialType: MEP+14 more

Bradford Consulting Engineers, Inc.

A Higher Standard of Engineering & Design

WebsiteFounded 1999Updated Jun 2026

Service detail: Mechanical, HVAC, and Plumbing Engineering

Service: Mechanical, HVAC, and Plumbing EngineeringService: HVAC System DesignService: Utility and High Purity PipingIndustry: CommercialIndustry: Data CentersType: MEP+28 more

Bridge View Resources, LLC

Vacaville, CA

Optimized and Sustainable Infrastructure Systems

WebsitePhone1 office3 projects4 leaders1 publicationsFounded 2007

Project: 2 Million Square Foot Processing Facility Electrical Coordination and Load Study

Service: Water & Wastewater System EngineeringService: Utility System Privatization & AcquisitionService: Intergovernmental Service Agreements (IGSA)Industry: DefenseIndustry: FederalType: Power & Utility Engineering+27 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

Bright Power, Inc.

Your Energy & Water Management Partner

Website5 projects1 leadersUpdated Jun 2026

Project: Ocean Bay Apartments

Service: Ongoing Energy ManagementService: Benchmarking & Portfolio Performance Analytics by EnergyScoreCardsService: Compliance with Energy LawsIndustry: Multifamily ResidentialIndustry: CommercialType: Mechanical Engineering+26 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

CDF Engineering LLC

Wailuku, HI

Civil Engineering | Land Surveying | General Contracting | Consulting

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Stormwater ManagementService: Major and Minor Grading Design PlansIndustry: CommercialIndustry: Land DevelopmentType: Civil Engineering+35 more

CDM Smith

Boston, MA

CDM Smith is an engineering, construction, and environmental consulting firm headquartered in Boston, Massachusetts, with over 7,000 colleagues and 120+ offices worldwide. With 79 years of impact (founded circa 1947 as Camp, Dresser & McKee), it delivers engineering, construction, and environmental services spanning water and wastewater infrastructure, environmental remediation, transportation, energy, and federal and commercial facilities. CDM Smith's practices include drinking water, conveyance, wastewater, stormwater, environmental emerging contaminants, geotechnical and tunnels, MEP and fire protection, architecture, automation, transportation, energy, and climate resilience. It operates Trinnex, a wholly-owned software subsidiary offering the dataCAST SaaS platform and advanced analytics for environmental and infrastructure data management.

Website1 office6 projectsFounded 1947Size Estimate: 7,000 employeesUpdated Jun 2026

Project: PFAS Data to Decisions - U.S. Air Force (Dover AFB)

Service: Water and Wastewater EngineeringService: Drinking WaterService: ConveyanceIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+30 more

CMA Engineers

Portsmouth, NH

Pursue Excellence

WebsitePhone3 offices5 projects9 leaders4 credentialsUpdated Jun 2026

Project: AVRRDD Mt. Carberry Landfill Leachate Siphon

Service: Civil Engineering & TransportationService: Civil Infrastructure PlanningService: Roadway and Highway DesignIndustry: Waste ManagementIndustry: GeothermalType: Civil Engineering+35 more