Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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2 Bravo Group LLC

We make sure buildings work

Website6 projectsUpdated Jun 2026
Service: Building CommissioningService: Design and submittal reviewIndustry: FederalType: MEP+20 more

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016
Service: Electrical EngineeringService: Power System CalculationsIndustry: UtilitiesType: Electrical Engineering+33 more

316 Product Development, LLC

Passionate and Creative

Website6 projects6 leadersSize Estimate: 1-9 employees
Service: Mechanical EngineeringService: Advanced Computer Aided Design (CAD)Industry: Medical DevicesType: Mechanical Engineering+36 more

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentials
Service: Engineering and Project ManagementService: Mechanical EngineeringIndustry: NuclearType: Environmental Engineering+33 more

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employees
Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationIndustry: Renewable EnergyType: Owner's Engineer+24 more

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects
Service: Electronics Design ServicesService: Hardware DesignIndustry: DefenseType: Electrical Engineering+26 more

ACR Engineering, Inc.

Austin, TX

ACR Engineering, Inc. is an Austin-based mechanical, electrical, plumbing (MEP), and energy engineering practice established in 1980. The practice specializes in energy management, HVAC and control systems design, commissioning, and energy saving performance contracting. Its engineers collaborate directly with building owners from initial concept through construction and commissioning to optimize efficiency and minimize operating costs.

WebsitePhone3 offices4 projects
Service: Energy Management and ConsultingService: Energy Cost Control and Performance ContractingIndustry: GovernmentType: MEP+12 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Architecture DevelopmentIndustry: AerospaceType: Defense Engineering+25 more

AE Dynamics LLC

Bozeman, MT

Your Partner for Efficient and Effective Design

WebsitePhone2 offices4 projects
Service: Structural EngineeringService: Primary Structure DesignIndustry: CommercialType: Structural Engineering+15 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publications
Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentIndustry: ElectronicsType: Electrical Engineering+40 more

AFuzion Inc.

Carlsbad, CA

When Safety Is Critical.

WebsitePhone1 office1 projects
Service: Safety-Critical EngineeringService: Aviation Systems EngineeringIndustry: AviationType: Aerospace Engineering+33 more

AMS Corporation

Knoxville, TN

Innovating Nuclear Technology

WebsitePhone1 office10 leaders
Service: I&C Performance TestingService: Online Monitoring (OLM)Industry: NuclearType: Automation & Controls+22 more

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentials
Service: Program and Project ManagementService: Project Planning and SchedulingIndustry: GovernmentType: Electrical Engineering+28 more

ASI Partners Inc.

Huntsville, AL

Engineering Capability and Talent for What Comes Next

WebsitePhone1 officeUpdated Jun 2026
Service: Systems EngineeringService: Architecture Development and MBSEIndustry: DefenseType: Defense Engineering+22 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993
Service: Planning and PermittingService: EntitlementsIndustry: CommercialType: Architecture & Engineering+39 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publications
Service: Energy ConsultingService: Commercial Energy AuditsIndustry: CommercialType: Mechanical Engineering+29 more

AccuTec Services, Inc.

Lee's Summit, MO

Precision commissioning, testing, and cleanroom certification services nationwide.

WebsitePhone1 office2 leaders
Service: Building Systems CommissioningService: Design Phase Commissioning & ReviewIndustry: HealthcareType: MEP+24 more

Advanced Asphalt Technologies, LLC

Kearneysville, WV

Leading in Asphalt Testing and Equipment

WebsitePhone1 office6 credentials
Service: Asphalt Material Testing ServicesService: Superpave Mixture DesignIndustry: Highways & RoadsType: Civil Engineering+35 more

Advanced Research and Technology Corporation

Oxnard, CA

Innovations for a Better Tomorrow

WebsitePhone1 office3 projects
Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisIndustry: DefenseType: Defense Engineering+33 more

Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects
Service: Building CommissioningService: Design and Submittal AnalysisIndustry: GovernmentType: MEP+42 more

Agarabi Engineering PLLC

New York, NY

Energy efficiency engineering and clean energy design for the built environment

WebsitePhone1 office3 projects
Service: MEP & Enclosure DesignService: Air-Source Heat Pump DesignIndustry: Multifamily ResidentialType: Mechanical Engineering+32 more

Aiken Engineering Company

Houston, TX

Aiken Engineering designs and evaluates specialized equipment and components for critical service applications.

WebsitePhone1 officeUpdated Jun 2026
Service: Engineering AnalysisService: Finite Element AnalysisIndustry: Oil & GasType: Mechanical Engineering+17 more

Alan Margolin & Associates Consulting Engineers and Architects, D.P.C.

New York, NY

Safety Focused Engineers

WebsitePhone5 offices2 leaders
Service: Structural EngineeringService: Structural DesignIndustry: CommercialType: Architecture & Engineering+32 more

Alares LLC

Sarasota, FL

Great experiences build great results

WebsitePhone2 offices4 projects
Service: Architectural DesignService: Healthcare Facility DesignIndustry: HealthcareType: Architecture & Engineering+32 more