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

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 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 leadersFounded 2012Updated Jun 2026

Project: Naval Air Traffic Management Program Support

Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentService: Air Traffic Control SimulationIndustry: DefenseIndustry: AviationType: Aerospace Engineering+19 more

Abbott On Call

Vienna, VA

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

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Modular System DesignService: Flexible System IntegrationIndustry: DefenseIndustry: FederalType: Defense Engineering+12 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 projects7 leaders14 credentialsFounded 1998

Project: Columbus Division of Police Crime Laboratory Renovation

Service: Mechanical EngineeringService: HVAC Design and UpgradesService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: MEP+23 more

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

Akima Facilities Management (AFM)

Herndon, VA

Integrated Facility Maintenance Services

WebsitePhone2 offices1 leaders2 credentialsUpdated Jun 2026

Service detail: Base Operations

Service: Base OperationsService: Facility Maintenance and RepairService: Equipment Operation and MaintenanceIndustry: DefenseIndustry: FederalType: Civil Engineering+11 more

Akiva AI, LLC

Leesburg, VA

Committed to Excellence

Website1 office3 projectsFounded 2019Updated Jun 2026

Project: Predictive Logistics Implementation

Service: AI EngineeringService: Multi-Agent SystemsService: AI Strategy & ConsultingIndustry: SoftwareIndustry: Financial ServicesType: Software Engineering+52 more

Altagrove LLC

Herndon, VA

Built for speed. Engineered to deliver.

WebsitePhone3 offices6 projects7 credentialsUpdated Jun 2026

Project: Missile Defense Agency SHIELD IDIQ

Service: CyberService: Cyber Security EngineeringService: Risk Management Framework (RMF) ComplianceIndustry: DefenseIndustry: Intelligence & National SecurityType: Software Engineering+24 more

Altron, Inc.

Mount Pleasant, SC

Trusted Service - Proven Results

WebsitePhone2 offices2 projects5 leaders1 credentialsUpdated Jun 2026

Project: Department of State Passport Processing Operations

Service: Systems and Software EngineeringService: AI and Machine LearningService: Systems Integration and TestIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Amentum

Chantilly, VA

Advancing the Future Together

Website1 office3 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Fukushima Cleanup

Service: Mission ModernizationService: Space SystemsService: Digital TransformationIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+20 more

Appendix R Solutions Inc

Hanover, VA

Providing unique multi-disciplinary engineering solutions

WebsitePhone1 office1 projectsFounded 2000Updated Jun 2026

Project: Post-Fukushima Safe Shutdown and Restart Support

Service: Fire Protection EngineeringService: Fire ModelingService: Classical Fire ProtectionIndustry: NuclearIndustry: Power GenerationType: Fire Protection Engineering+25 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 leadersUpdated Jun 2026

Project: DC Water Blue Plains Wastewater Treatment Plant

Service: Electrical EngineeringService: Schematic and Concept DesignService: Installation and Erection SupportIndustry: TransportationIndustry: RailType: Electrical Engineering+18 more

Awen Solutions Group LLC

Alexandria, VA

Planning, Architecture, and Engineering for America's Veteran Healthcare System

Website1 office13 projects11 leadersFounded 2018Size Estimate: 60+ employeesUpdated Jun 2026

Project: Boise Dental Clinic

Service: Strategic & Capital Asset PlanningService: Facility Master PlanningService: Capital Investment PlanningIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+13 more

B3H Corporation

Shalimar, FL

Building Freedom's Team

WebsitePhone2 officesUpdated Jun 2026

Service detail: Engineering and Technical Support

Service: Engineering and Technical SupportService: Systems EngineeringService: Software EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

BAI, Inc.

Alexandria, VA

Meeting Client Challenges with Vision and Innovation

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Defense Industrial Base Support

Service: Defense Industrial Base SupportService: Program Management SupportService: Administrative and Advisory ServicesIndustry: DefenseIndustry: FederalType: Software Engineering+30 more

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects14 leaders3 credentialsFounded 2024

Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesService: Energy Audits & BenchmarkingIndustry: GovernmentIndustry: FederalType: Defense Engineering+59 more

BlueWater Federal Solutions, Inc.

Arlington, VA

Solutions. Integrity. Results.

WebsitePhone1 office6 projects4 leaders4 credentialsUpdated Jun 2026

Project: Shared Early Warning System (SEWS) Operations & Maintenance

Service: Systems Engineering and ModernizationService: Agile Software DevelopmentService: Command and Control (C2) SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more

Brett LLC

Bristow, VA

Information Technology Consulting

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Systems and Software Engineering

Service: Systems and Software EngineeringService: Net-Centric Data InteroperabilityService: Systems Engineering and ValidationIndustry: FederalIndustry: DefenseType: Software Engineering+27 more

Brudis & Associates, Inc.

Columbia, MD

Innovative, high quality, and responsive engineering solutions

WebsitePhone4 offices8 projects4 leaders6 credentialsFounded 1992

Project: MD 180 / MD 351 Highway Improvements

Service: Highway & PlanningService: Roadway Geometrics, Widening, Reconstruction & ImprovementsService: Streetscape DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+70 more

CEE Corporation

Reston, VA

Innovative Excellence

WebsitePhone1 office5 leaders3 credentialsUpdated Jun 2026

Service detail: Enterprise Architecture and Systems Engineering

Service: Enterprise Architecture and Systems EngineeringService: Enterprise Architect as a ServiceService: Network and Internetworking SystemsIndustry: FederalIndustry: GovernmentType: Software Engineering+21 more

CEG Solutions

Arlington, VA

Tailoring Energy Infrastructure for Your Complex Operations

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Energy Savings Performance Contracting (ESPC)

Service: Energy Savings Performance Contracting (ESPC)Service: Deep Energy RetrofitService: Energy Audits & Facility AssessmentIndustry: FederalIndustry: HealthcareType: Mechanical Engineering+24 more

Centuria Corporation

Reston, VA

A Data Driven Company

WebsitePhone2 offices3 projects7 leaders7 credentialsFounded 2002

Project: NOAA Radar Operations Center Mission Support Services

Service: Engineering & Scientific ServicesService: Systems EngineeringService: Modeling & SimulationIndustry: FederalIndustry: GovernmentType: Aerospace Engineering+61 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