Public engineering firm directory

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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 detail: Systems Engineering

Service: Systems EngineeringService: Architecture DevelopmentService: Requirements EngineeringIndustry: AerospaceIndustry: CommercialType: Defense Engineering+23 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 leaders5 credentialsFounded 2007Updated Jun 2026

Service detail: Engineering and Research

Service: Engineering and ResearchService: Sensor and Data FusionService: Autonomy and Automated Decision MakingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+21 more

AMERICAN SYSTEMS Corporation

McLean, VA

Leaders by Performance.

WebsitePhone3 offices6 leaders15 credentialsFounded 1975Updated Jun 2026

Service detail: Engineering and Analysis

Service: Engineering and AnalysisService: Aerospace EngineeringService: Defense Systems AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+12 more

AVIAN

Lexington Park, MD

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

Website8 offices3 leaders1 credentialsUpdated Jun 2026

Service detail: Test & Evaluation

Service: Test & EvaluationService: Test Program ManagementService: UAS Test FlightIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+16 more

Ad hoc Research Associates LLC

Belcamp, MD

AI You Can Trust When Failure Isn't an Option

Website2 offices6 projectsUpdated Jun 2026

Project: Adaptive Cyber Range Control for White Cell Operations

Service: Digital Twin OperationsService: Mission & Network Digital TwinsService: Mixed-Fidelity EnvironmentsIndustry: DefenseIndustry: TelecommunicationsType: Software Engineering+15 more

Advanced Technology & Research Corporation

Beltsville, MD

Fifty Years of Engineering Excellence

WebsitePhone1 office2 projects4 leaders2 credentialsFounded 1973

Project: USPS FSS Program Production

Service: Engineering ServicesService: Ship Signatures TechnologyService: Modeling & SimulationIndustry: DefenseIndustry: FederalType: Defense Engineering+9 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 more

Altus Engineering

Darlington, MD

A History of Proven Performance

WebsitePhone1 office5 projects1 leaders1 credentialsFounded 2003

Project: Army Research Lab Ballistic Modeling and Research

Service: Software Development and IntegrationService: Survivability Analysis SoftwareService: Modeling and Simulation ToolsIndustry: DefenseIndustry: FederalType: Defense Engineering+15 more

Aumakua Technical Solutions, LLC

Glen Burnie, MD

Bridging the Gap Between Operations and Technology

WebsitePhone1 office2 projects4 leaders2 credentialsUpdated Jun 2026

Project: Special Operations Command (SOCOM) Targeting and Training Element (STTE) Contract

Service: Systems Integration & TestingService: Radio Frequency Engineering & OperationsService: System Integration & TestingIndustry: DefenseIndustry: FederalType: Defense Engineering+19 more

Avatar Technologies Inc

Greenbelt, MD

We Are Your Trusted Partner

WebsitePhone1 office3 projects1 credentialsFounded 2006Updated Jun 2026

Project: NASA KSC Concept of Operations Definition

Service: Systems EngineeringService: ModernizingService: DesigningIndustry: AviationIndustry: DefenseType: Aerospace Engineering+36 more

Aviation Systems Engineering Company, Inc.

Lexington Park, MD

Supporting the Warfighter

WebsitePhone1 officeSize Estimate: 600 employeesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Military Aircraft Mission SystemsService: Maritime Patrol and Reconnaissance SystemsIndustry: DefenseIndustry: AviationType: Aviation Engineering+21 more

BLT

Columbia, MD

The FPGA Experts

WebsitePhone2 offices2 credentialsFounded 1989Updated Jun 2026

Service detail: FPGA & SoC Design

Service: FPGA & SoC DesignService: FPGA Design ServicesService: SoC & SoM DesignIndustry: AerospaceIndustry: SpaceType: Electrical Engineering+18 more

CED Technologies Incorporated

Shelton, CT

Leaders in Forensic Engineering, Accident Reconstruction & Expert Witness Services

WebsitePhone5 offices1 leadersFounded 1987Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: Forensic Engineering

Service: Forensic EngineeringService: Biomechanical EngineeringService: Mechanical Defects InvestigationIndustry: Freight & LogisticsIndustry: TransportationType: Forensic Engineering+37 more

Cardinal Engineering, LLC

Annapolis, MD

Efficiently and cost-effectively bringing you the best result.

WebsitePhone4 offices6 leaders1 credentialsFounded 2010Size Estimate: 10-49 employees

Service detail: Structures Engineering

Service: Structures EngineeringService: Finite Element AnalysisService: Structural Composite TechnologiesIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

Cleveland Aerospace Technology Services

Davidsonville, MD

First-rate aerospace engineering solutions and strategic services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Aerospace Engineering Services

Service: Aerospace Engineering ServicesIndustry: AerospaceType: Aerospace Engineering

Derby Enterprises, LLC

Bel Air, MD

Engineering-Planning-Design

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Planning and Feasibility

Service: Planning and FeasibilityService: Facility Condition Surveys and ReportsService: Campus Master PlanningIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+20 more

EPIC Scientific

Aberdeen, MD

Commitment to Excellence

WebsitePhone1 office1 projectsFounded 2014Updated Jun 2026

Project: Army Prototype and Integration Facility Support

Service: Systems Engineering & Technical AssistanceService: Systems Architecture DesignService: Program ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+13 more

Einforme Inc

Bethesda, MD

Building and Supporting Planetary Science Instruments for Mars and the Moon

WebsitePhone2 offices4 projectsUpdated Jun 2026

Project: SAM Instrument Support (Curiosity Rover)

Service: Instrument Engineering and DevelopmentService: Systems Engineering and IntegrationService: Thermal EngineeringIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+10 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 credentialsFounded 2002Size Estimate: 50 employeesUpdated Jun 2026

Service detail: Flight Software

Service: Flight SoftwareService: Ground SystemsService: Systems EngineeringIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+20 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 projects9 credentialsFounded 1997Size Estimate: 5-25 employees

Project: Transform I-66 Outside the Beltway (Express Lanes), Northern Virginia

Service: Water ResourcesService: Stormwater ManagementService: Hydraulics and HydrologyIndustry: GovernmentIndustry: TransportationType: Civil Engineering+52 more

Fire & Risk Alliance

Rockville, MD

Engineering a Safer Future

WebsitePhone1 officeUpdated Jun 2026

Service detail: Fire Protection Engineering & Code Consulting

Service: Fire Protection Engineering & Code ConsultingService: Code ConsultingService: Fire Protection and Life Safety Narrative ReportsIndustry: AerospaceIndustry: DefenseType: Fire Protection Engineering+40 more

Forward Engineering LLC

Davidsonville, MD

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

Website1 officeUpdated Jun 2026

Service detail: Systems Engineering, Integration, and Test

Service: Systems Engineering, Integration, and TestService: System Requirements EngineeringService: System Architecture ModelingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

G2 Ops, Inc.

Baltimore, MD

Smarter Intelligence

Website1 office5 projects1 leaders3 credentialsFounded 2006Updated Jun 2026

Project: Sentinel ICBM Modernization Support

Service: Model-Based Systems Engineering (MBSE)Service: Ground Systems Digital EngineeringService: Surface & Subsurface Combat Systems EngineeringIndustry: DefenseIndustry: SpaceType: Defense Engineering+21 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more