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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2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

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

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

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

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

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

Altagrove LLC

Herndon, VA

Built for speed. Engineered to deliver.

WebsitePhone3 offices6 projects
Service: CyberService: Cyber Security EngineeringIndustry: DefenseType: Software Engineering+26 more

Alytic, Inc.

King George, VA

Government Contractor, Seaport-e Prime Contract Holder and Experts on Navy Energy Conservation

WebsitePhone1 office3 leaders
Service: Engineering Services and Technical SupportService: Concept Definition and RefinementIndustry: DefenseType: Defense Engineering+28 more

American Geotechnical & Environmental Services, Inc.

Canonsburg, PA

American Geotechnical & Environmental Services (A.G.E.S.), Inc. is a specialty engineering practice that provides comprehensive geotechnical design and environmental services. Headquartered in Canonsburg, Pennsylvania, with branch offices in King of Prussia, Pennsylvania, McLean, Virginia, and New Jersey, it has grown to become one of the largest specialty geotechnical consultancies in the northeastern United States. The practice focuses on delivering geotechnical engineering solutions for public infrastructure projects, including highways, bridges, transit, rail, aviation, and water resources.

WebsitePhone3 offices12 leaders
Service: Geotechnical EngineeringService: Subsurface Explorations and InstrumentationIndustry: TransportationType: Geotechnical Engineering+13 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects
Service: EngineeringService: Civil EngineeringIndustry: Power GenerationType: Civil Engineering+48 more

Andromeda Systems Incorporated

Virginia Beach, VA

Your Supportability Teammate

WebsitePhone2 officesUpdated Jun 2026
Service: Supportability Analysis & OptimizationService: Product Support Analysis (PSA)Industry: DefenseType: Industrial Engineering+54 more

Appendix R Solutions Inc

Hanover, VA

Providing unique multi-disciplinary engineering solutions

WebsitePhone1 office1 projects
Service: Fire Protection EngineeringService: Fire ModelingIndustry: NuclearType: Fire Protection Engineering+27 more

Ashe Consultants, PLLC

Ashburn, VA

MEP engineering specializing in complex renovation projects

WebsitePhone1 office7 leaders
Service: Mechanical EngineeringService: HVAC DesignIndustry: GovernmentType: MEP+21 more

Aspire Engineering

Fairfax, VA

Aspire Engineering is a consulting engineering practice located in the Washington, DC metropolitan area that provides mechanical, electrical, plumbing, and fire protection engineering services. Project types include commercial, educational, healthcare, institutional, retail, recreation, residential, government, religious, and retrofits. In addition to design services, it provides construction administration services, sustainable and LEED design, energy and life cycle cost analysis, lighting analysis, existing building system evaluations, master planning, commissioning, BIM design, and peer review. It also offers educational and instructional seminars to clients to increase awareness and knowledge of the engineering design process, available systems, and design choices for projects to improve overall building efficiencies.

WebsitePhone1 office6 projects
Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning (HVAC) SystemsIndustry: CommercialType: Mechanical Engineering+41 more

Astute Engineering, PLLC

Vienna, VA

Astute Engineering, PLLC delivers comprehensive electrical engineering, power distribution design, system studies, and field services. Operating across Virginia, Maryland, Washington DC, and surrounding regions, the practice supports projects from initial feasibility and schematic phases through final installation, testing, commissioning, and commercial operations.

Website1 office1 projects3 leaders
Service: Electrical EngineeringService: Schematic and Concept DesignIndustry: TransportationType: Electrical Engineering+20 more

Aurex

Huntsville, AL

Engineering the Edge of Possible

WebsitePhone6 offices2 projects
Service: Hypersonic Systems EngineeringService: Modeling and SimulationIndustry: AerospaceType: Aerospace Engineering+44 more

Axta Space Corporation

Arlington, VA

Communications Solutions for Space

Website1 officeUpdated Jun 2026
Service: Satellite Communications ArchitecturesService: Communications PayloadsIndustry: SpaceType: Aerospace Engineering+4 more

B3H Corporation

Shalimar, FL

Building Freedom's Team

WebsitePhone2 officesUpdated Jun 2026
Service: Engineering and Technical SupportService: Systems EngineeringIndustry: DefenseType: Defense Engineering+26 more

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects
Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesIndustry: GovernmentType: Defense Engineering+61 more

Bala Consulting Engineers, Inc.

Wayne, PA

Engineering a better future focused on the human experience.

WebsitePhone5 offices10 projects
Service: Mechanical EngineeringService: HVAC and Mechanical SystemsIndustry: CommercialType: MEP+31 more

Bamforth Engineers + Surveyors, Inc.

Norfolk, VA

Quality project management, civil engineering, and land surveying

WebsitePhone1 office6 projects
Service: Site EngineeringService: Site LayoutsIndustry: Land DevelopmentType: Civil Engineering+34 more

Bandwidth Solutions Inc

McLean, VA

Engineering & Management

WebsitePhone1 officeUpdated Jun 2026
Service: Program and Project ManagementService: Project ManagementIndustry: AerospaceType: Telecom / RF Engineering+40 more