Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

AM Pierce & Associates, Inc.

California, MD

AM Pierce & Associates, Inc. is a Maryland-based technical services company supporting Department of Defense customers with engineering, research, cyber, C5ISR, program, and acquisition capabilities. Its team works on sensor and data fusion, autonomy, unmanned systems, interoperability, systems engineering, modeling and simulation, warfare analysis, data links, electronic warfare, security systems engineering, and NAVAIR data fusion programs.

WebsitePhone2 offices3 leaders
Service: Engineering and ResearchService: Sensor and Data FusionIndustry: DefenseType: Defense Engineering+23 more

AMERICAN SYSTEMS Corporation

McLean, VA

Leaders by Performance.

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

Ad hoc Research Associates LLC

Belcamp, MD

AI You Can Trust When Failure Isn't an Option

Website2 offices6 projectsUpdated Jun 2026
Service: Digital Twin OperationsService: Mission & Network Digital TwinsIndustry: DefenseType: Software Engineering+17 more

Advanced Technology & Research Corporation

Beltsville, MD

Fifty Years of Engineering Excellence

WebsitePhone1 office2 projects
Service: Engineering ServicesService: Ship Signatures TechnologyIndustry: DefenseType: Defense Engineering+11 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects
Service: Planning & SchedulingService: CPM Schedule DevelopmentIndustry: InfrastructureType: Owner's Engineer+31 more

Altus Engineering

Darlington, MD

A History of Proven Performance

WebsitePhone1 office5 projects
Service: Software Development and IntegrationService: Survivability Analysis SoftwareIndustry: DefenseType: Defense Engineering+17 more

Aumakua Technical Solutions, LLC

Glen Burnie, MD

Bridging the Gap Between Operations and Technology

WebsitePhone1 office2 projects
Service: Systems Integration & TestingService: Radio Frequency Engineering & OperationsIndustry: DefenseType: Defense Engineering+21 more

Avatar Technologies Inc

Greenbelt, MD

We Are Your Trusted Partner

WebsitePhone1 office3 projects
Service: Systems EngineeringService: ModernizingIndustry: AviationType: Aerospace Engineering+38 more

Aviation Systems Engineering Company, Inc.

Lexington Park, MD

Supporting the Warfighter

WebsitePhone1 officeSize Estimate: 600 employees
Service: Systems EngineeringService: Military Aircraft Mission SystemsIndustry: DefenseType: Aviation Engineering+23 more

BLT

Columbia, MD

The FPGA Experts

WebsitePhone2 offices2 credentials
Service: FPGA & SoC DesignService: FPGA Design ServicesIndustry: AerospaceType: Electrical Engineering+20 more

CED Technologies Incorporated

Shelton, CT

Leaders in Forensic Engineering, Accident Reconstruction & Expert Witness Services

WebsitePhone5 offices1 leaders
Service: Forensic EngineeringService: Biomechanical EngineeringIndustry: Freight & LogisticsType: Forensic Engineering+39 more

Cardinal Engineering, LLC

Annapolis, MD

Efficiently and cost-effectively bringing you the best result.

WebsitePhone4 offices6 leaders
Service: Structures EngineeringService: Finite Element AnalysisIndustry: DefenseType: Defense Engineering+26 more

Cleveland Aerospace Technology Services

Davidsonville, MD

First-rate aerospace engineering solutions and strategic services

WebsitePhone1 officeUpdated Jun 2026
Service: Aerospace Engineering ServicesIndustry: AerospaceType: Aerospace Engineering

Derby Enterprises, LLC

Bel Air, MD

Engineering-Planning-Design

WebsitePhone1 office1 leaders
Service: Planning and FeasibilityService: Facility Condition Surveys and ReportsIndustry: HealthcareType: Architecture & Engineering+22 more

EPIC Scientific

Aberdeen, MD

Commitment to Excellence

WebsitePhone1 office1 projects
Service: Systems Engineering & Technical AssistanceService: Systems Architecture DesignIndustry: DefenseType: Defense Engineering+15 more

Einforme Inc

Bethesda, MD

Building and Supporting Planetary Science Instruments for Mars and the Moon

WebsitePhone2 offices4 projects
Service: Instrument Engineering and DevelopmentService: Systems Engineering and IntegrationIndustry: AerospaceType: Aerospace Engineering+12 more

Embedded Flight Systems, Inc.

Laurel, MD

Embedded Flight Systems, Inc. (EFSI) is a Laurel, Maryland software and systems engineering firm that builds, certifies, and operates mission-critical flight software and ground systems for NASA and NOAA. Founded in 2002, EFSI has supported more than 20 NASA missions at Goddard Space Flight Center over 25 years, including JWST, Hubble, Roman Space Telescope, PACE, GOES-R/GeoXO, JPSS, LRO, MMS, and GPM. It provides end-to-end mission software capability covering flight software development, ground system operations, systems engineering, spacecraft simulation, IT security, and safety and mission assurance. EFSI employs approximately 50 engineers and staff and holds a Top Secret Facilities Clearance.

WebsitePhone1 office5 credentials
Service: Flight SoftwareService: Ground SystemsIndustry: AerospaceType: Aerospace Engineering+22 more

Endesco, Inc.

Rockville, MD

Endesco, Inc. is a multi-discipline civil engineering design, consulting, and construction management firm founded in 1997 and headquartered in Rockville, Maryland. It specializes in water resources, transportation planning and traffic engineering, roadway and lighting design, environmental studies, GIS, and project and construction management, primarily serving state DOTs, transit authorities, counties, cities, and federal agencies across the Washington, DC/Baltimore metro region and beyond.

WebsitePhone2 offices6 projects
Service: Water ResourcesService: Stormwater ManagementIndustry: GovernmentType: Civil Engineering+54 more

Fire & Risk Alliance

Rockville, MD

Engineering a Safer Future

WebsitePhone1 officeUpdated Jun 2026
Service: Fire Protection Engineering & Code ConsultingService: Code ConsultingIndustry: AerospaceType: Fire Protection Engineering+42 more

Forward Engineering LLC

Davidsonville, MD

Strengthening program execution, reducing life-cycle risk, accelerating delivery

Website1 officeUpdated Jun 2026
Service: Systems Engineering, Integration, and TestService: System Requirements EngineeringIndustry: DefenseType: Defense Engineering+22 more

G2 Ops, Inc.

Baltimore, MD

Smarter Intelligence

Website1 office5 projects1 leaders
Service: Model-Based Systems Engineering (MBSE)Service: Ground Systems Digital EngineeringIndustry: DefenseType: Defense Engineering+23 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects
Service: Transportation EngineeringService: Roadway Planning and EngineeringIndustry: TransportationType: Architecture & Engineering+45 more