Public engineering firm directory

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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

A3 Technology, Inc.

Egg Harbor City, NJ

The people you know... The results you expect... The team you trust!

WebsitePhone2 offices3 projects6 leaders4 credentialsFounded 2001

Project: Aviation Safety Knowledge Management Environment Program

Service: Information Technology Infrastructure & OperationsService: Network SupportService: Data Center OperationsIndustry: GovernmentIndustry: FederalType: Software Engineering+18 more

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

ADAPT Technology

Auburn Hills, MI

Engineering from Concept to Production

WebsitePhone2 offices1 projects2 credentialsFounded 1998Updated Jun 2026

Project: WarriorNP Neonatal and Pediatric Medical Tools

Service: Engineering DesignService: CAD/CAE DesignService: CFD AnalysisIndustry: AerospaceIndustry: AutomotiveType: Mechanical Engineering+27 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

ASG Solutions Corporation

San Diego, CA

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.

WebsitePhone1 office10 projects1 leadersFounded 2005Updated Jun 2026

Project: Technical Support Services for NAVFAC SE DCBL/DC 4

Service: Engineering ServicesService: Electrical EngineeringService: Engineering TechniciansIndustry: DefenseIndustry: FederalType: Defense Engineering+23 more

ATOLLO Technology Solutions, LLC

Fulton, MD

Smarter Automation. Wider Integration. Smarter Decisions Made Quickly & Affordably.

WebsitePhone1 office4 leadersUpdated Jun 2026

Service detail: Strategic Planning (Security & Operations)

Service: Strategic Planning (Security & Operations)Service: Systems Engineering & Technology InsertionService: Digital Transformation of Plant & Facility OperationsIndustry: DefenseIndustry: FederalType: Automation & Controls+12 more

AUSGAR Technologies, Inc.

San Diego, CA

Innovative, High-Quality Engineering Services

WebsitePhone2 offices4 projects7 leaders4 credentialsFounded 2003

Project: Navy Continuous Training Environment (NCTE) Support

Service: CybersecurityService: Assessment and Authorization (A&A)Service: Network Testing and ValidationIndustry: DefenseIndustry: FederalType: Defense Engineering+19 more

Absg Consulting Inc

Spring, TX

Data-Driven Solutions for Risk and Reliability

WebsitePhone4 offices1 projects1 credentialsFounded 1971Size Estimate: 250-999 employees

Project: ISO 27001 Certification Implementation

Service: Risk and Safety ManagementService: Process SafetyService: Cultural Cause AnalysisIndustry: ChemicalsIndustry: GovernmentType: Process Safety Engineering+9 more

Acuity Innovations LLC

Colorado Springs, CO

Acuity Innovations LLC is a small defense contracting company based in Colorado Springs, Colorado providing digital ecosystem design and enterprise integration services to defense customers. Its core capabilities span enterprise architecture, solution engineering, digital engineering, defensive cyberspace operations, system integration, and test and evaluation. Market segments include space warfighting architecture, cyber defense for national security missions, and Nuclear Command and Control Communications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Enterprise Architecture

Service: Enterprise ArchitectureService: Digital EngineeringService: System IntegrationIndustry: DefenseIndustry: SpaceType: Defense Engineering+5 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

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

Andrie'-Sherie' LLC

Empowering us with your systems security operations

WebsiteUpdated Jun 2026

Service detail: Systems Engineering and Integration

Service: Systems Engineering and IntegrationService: ArchitectureService: Cybersecurity OperationsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+11 more

Apital Inc.

New York City, NY

Steering The Rail Industry To A Digital And Sustainable Future

Website1 officeUpdated Jun 2026

Service detail: Rail Signaling and Train Control Systems

Service: Rail Signaling and Train Control SystemsService: CBTC/PTC System Design and DeploymentService: System Engineering and VerificationIndustry: RailIndustry: TransitType: Transportation Engineering+25 more

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 more

Aretum

Leading Government Technology Solutions

WebsiteUpdated Jun 2026

Service detail: Digital Transformation and Cloud Engineering

Service: Digital Transformation and Cloud EngineeringService: Cloud Architecture and MigrationService: Enterprise IT ModernizationIndustry: GovernmentIndustry: FederalType: Software Engineering+17 more

Argo Navis Technologies

Together We Succeed

WebsiteUpdated Jun 2026

Service detail: Professional Services

Service: Professional ServicesService: Cybersecurity & ComplianceService: Operations & LogisticsIndustry: AerospaceIndustry: TelecommunicationsType: Software Engineering+29 more

Argo Performance, Ltd.

San Diego, CA

Smart People Creating Smart Buildings

WebsitePhone1 office7 projects2 leaders4 credentialsUpdated Jun 2026

Project: Gilead Sciences Building 800 Reef TI GMP Plant

Service: Building CommissioningService: Whole Building CommissioningService: RetrocommissioningIndustry: CommercialIndustry: Life SciencesType: Automation & Controls+30 more

Aries Aero Systems LLC

Aerospace Product Certification Consultants

WebsiteUpdated Jun 2026

Service detail: FAA Certification and DER Services

Service: FAA Certification and DER ServicesService: Certification Plan DevelopmentService: FAA Liaison ServicesIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+26 more

Assured Momentum Incorporated

McLean, VA

Simplifying complexity through disciplined systems engineering

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Strategic Planning & Program Management

Service: Strategic Planning & Program ManagementService: Strategic AdvisoryService: Program Management Support To Define PrioritiesIndustry: GovernmentIndustry: DefenseType: Defense Engineering+27 more

Astra Solutions LLC

Huntsville, AL

Expert engineering, procurement, and advisory services for defense and commercial clients

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Systems Engineering & Technical Assistance (SETA)

Service: Systems Engineering & Technical Assistance (SETA)Service: Systems Integration and EvaluationService: Agency and Advisory SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

Ataero

San Antonio, TX

Ataero, formerly Atkinson Aeronautics & Technology, is a defense technology enterprise specializing in electromagnetic spectrum operations, electromagnetic warfare, information operations, intelligence, systems engineering, acquisition, logistics, program management, technical training, and low-cost threat emitter systems.

Website1 office6 leadersUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: System Design and IntegrationService: Technical Performance AnalysisIndustry: DefenseIndustry: AerospaceType: Defense Engineering+30 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