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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1200 Architectural Engineers PLLC

Alexandria, VA

Illuminating Structure and New Uses.

WebsitePhone1 officeUpdated Jun 2026
Service: Structural and Architectural EngineeringService: Historic Preservation EngineeringIndustry: ResidentialType: Structural Engineering+7 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects
Service: MEP/FP Engineering DesignService: Mechanical EngineeringIndustry: EducationType: MEP+39 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects
Service: Bridge Design and InspectionsService: Bridge DesignIndustry: TransportationType: Civil Engineering+24 more

ACG LLC Consulting Engineers

Fairfax, VA

ACG LLC Consulting Engineers is a civil engineering firm based in Fairfax, Virginia, with over 80 years of combined staff experience in civil engineering and land development. The team specializes in civil engineering, land planning, surveying, and structural services for residential and commercial projects in the Washington Metropolitan Area, with direct involvement in every stage of a project from design through completion.

WebsitePhone1 office3 leaders
Service: Civil EngineeringService: SurveyingIndustry: CommercialType: Civil Engineering+6 more

ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026
Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadIndustry: DefenseType: Defense Engineering+25 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects
Service: Architecture & Interior DesignService: Programming and Test FitsIndustry: CommercialType: Architecture & Engineering+48 more

AERMOR LLC

Virginia Beach, VA

AERMOR LLC is a Virginia Beach-based provider of mission-critical solutions for the Department of Defense, federal agencies, and commercial clients. Its team delivers cybersecurity, systems engineering, test and evaluation, and IT modernization capabilities designed to enhance operational effectiveness and national security.

WebsitePhone1 officeUpdated Jun 2026
Service: CybersecurityService: Systems EngineeringIndustry: DefenseType: Defense Engineering+4 more

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects
Service: Civil EngineeringService: Site Plan DesignIndustry: ResidentialType: Civil Engineering+39 more

AFORGE LLC

Lorton, VA

Accelerating the Speed of Knowledge to Support National Security

WebsitePhone3 offices6 credentials
Service: Strategy, Advisory, & ConsultingService: Strategic & Operational PlanningIndustry: DefenseType: Defense Engineering+30 more

AHA Consulting Engineers

Burlington, MA

beyond engineering

WebsitePhone5 offices4 projects
Service: MEP/FP DesignService: Mechanical systemsIndustry: Research FacilitiesType: MEP+27 more

AMERICAN SYSTEMS Corporation

McLean, VA

Leaders by Performance.

WebsitePhone3 offices6 leaders
Service: Engineering and AnalysisService: Aerospace EngineeringIndustry: DefenseType: Defense Engineering+14 more

ARCHÉ Consulting Group, LLC

Springfield, VA

The Best Team for Project Success

WebsitePhone2 offices1 leaders
Service: Program and Project ManagementService: Construction ManagementIndustry: GovernmentType: Owner's Engineer+33 more

ATCSI LLC

Chesapeake, VA

ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.

Website1 office2 projects4 leaders
Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentIndustry: DefenseType: Aerospace Engineering+21 more

AVEC, Inc.

Blacksburg, VA

AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.

WebsitePhone1 officeUpdated Jun 2026
Service: Noise and Vibration EngineeringService: Noise and Vibration Analysis, Prediction, and MeasurementIndustry: AerospaceType: Acoustic Consulting+20 more

AVIAN

Lexington Park, MD

We empower our people to do good and help others with simple solutions.

Website8 offices3 leaders1 credentials
Service: Test & EvaluationService: Test Program ManagementIndustry: DefenseType: Aerospace Engineering+18 more

AZE Engineering

Abu Dhabi, VA

Built on Precision. Trusted on Landmark Projects.

Website2 offices8 projects6 leaders
Service: Structural & Construction EngineeringService: Structural DesignIndustry: AirportsType: Architecture & Engineering+24 more

Abbott On Call

Vienna, VA

We Help You Meet the Challenge of Rapidly Changing Technologies in Today's Complex Environment

WebsitePhone1 officeFounded 2002
Service: Engineering ServicesService: Modular System DesignIndustry: DefenseType: Defense Engineering+14 more

Accupoint Surveying & Design

Forest, VA

Where Intelligent Thinking Meets Unwavering Attention

WebsitePhone1 officeUpdated Jun 2026
Service: Land SurveyingService: Soil EvaluationIndustry: ResidentialType: Land Surveying+4 more

Advanced Engineering Consultants

Columbus, OH

Advanced Engineering Consultants specializes in providing mechanical, electrical, plumbing, fire protection, technology, and utilities engineering design and construction administration services for the built environment. Established in 1998, the practice works collaboratively with owners, architects, and contractors across the Midwest, the nation, and globally. It has completed nearly 2,000 projects across diverse sectors including government, healthcare, education, and commercial markets.

WebsitePhone4 offices6 projects
Service: Mechanical EngineeringService: HVAC Design and UpgradesIndustry: FederalType: MEP+25 more

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects
Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentIndustry: Oil & GasType: Petroleum Engineering+22 more

Advanced Technology Systems Company

McLean, VA

We build solutions.

WebsitePhone5 offices3 projects
Service: Systems IntegrationService: Security Surveillance SystemsIndustry: DefenseType: Defense Engineering+20 more

AeroQuest, LLC

Richmond, VA

Revolutionizing the aerospace industry through applied research and data analytics

WebsitePhone1 office3 projects
Service: Applied Aerospace Research & ConsultingService: Aviation Data AnalyticsIndustry: AviationType: Aerospace Engineering+5 more

Aerospace Innovations

Newport News, VA

Systems engineering, analysis, simulation, integration and test

WebsitePhone1 office5 projects
Service: Hardware DesignService: Mechanical and enclosure designIndustry: AerospaceType: Aerospace Engineering+19 more

Afterburner Wind Tunnel Services LLC

Northern Virginia, VA

Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.

Website1 office2 leadersUpdated Jun 2026
Service: Safety EngineeringService: System Safety Program DevelopmentIndustry: DefenseType: Defense Engineering+13 more