Public engineering firm directory

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4D Systems

Flint, MI

The future of manufacturing is digital. Are you ready?

WebsitePhone3 offices5 credentialsFounded 2010Updated Jun 2026

Service detail: Controls Engineering

Service: Controls EngineeringService: Control System IntegrationService: Manufacturing Controls SupportIndustry: ManufacturingIndustry: AutomotiveType: Automation & Controls+23 more

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects8 credentialsUpdated Jun 2026

Project: 600W Power Factor Corrector

Service: Electronics Design ServicesService: Hardware DesignService: PCB Design and LayoutIndustry: DefenseIndustry: AerospaceType: Electrical Engineering+24 more

ACSSTechs, LLC

Harvest, AL

Expert Engineering Consultants

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: Software Engineering

Service: Software EngineeringService: Software Development EnvironmentsService: Software Architecture Design and ImplementationIndustry: SoftwareIndustry: Data CentersType: Software Engineering+6 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

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

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects8 leaders2 credentials5 publications

Project: Rhode Island Corridor Modernization

Service: BridgesService: Bridge structural designService: Bridge inspection and safety evaluationIndustry: FederalIndustry: GovernmentType: Civil Engineering+45 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

AMS Corporation

Knoxville, TN

Innovating Nuclear Technology

WebsitePhone1 office10 leaders5 credentialsFounded 1977Size Estimate: 100 employees

Service detail: I&C Performance Testing

Service: I&C Performance TestingService: Online Monitoring (OLM)Service: Reactor Thermal Power CalculationsIndustry: NuclearIndustry: Oil & GasType: Automation & Controls+20 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

AULtec, Inc.

Gaithersburg, MD

Professional Civil Engineering and Land Surveying Services

Website1 office5 projects2 leaders7 credentialsFounded 1994Size Estimate: 10-49 employees

Project: Pre-stressed Concrete Slab Bridge No. 10172 Replacement

Service: Civil EngineeringService: Site & Land DevelopmentService: Hydrology & Stormwater ManagementIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+19 more

AXIONS Corporation

Cheyenne, WY

Getting Actions Done with Swift, Smart, Superior & Sustained Results

Website1 office7 leadersUpdated Jun 2026

Service detail: Strategy Consulting

Service: Strategy ConsultingService: Strategy FormulationService: Strategic Assessment and OptimizationIndustry: AerospaceIndustry: SpaceType: Defense Engineering+36 more

AZA Engineering

New York, NY

Build better. Design right.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering Design

Service: Mechanical Engineering DesignService: HVAC and Climate Control SystemsService: Commercial Kitchen VentilationIndustry: ResidentialIndustry: CommercialType: MEP+30 more

Action Engineering, LLC

Lakewood, CO

Model-Based Enterprise Experts

Website1 office1 leaders8 credentialsFounded 2008Updated Jun 2026

Service detail: 3D Digital Transformation Strategy

Service: 3D Digital Transformation StrategyService: 3D Transformation Readiness AssessmentsService: Process and Software Tools InventoryIndustry: ManufacturingIndustry: AerospaceType: Industrial Engineering+22 more

Adacel Systems, Inc.

Orlando, FL

Adacel Systems, Inc. supports aviation and defense customers from Orlando with air traffic management, digital tower, simulation, and training technology. Adacel combines REVAL digital ATC tower consulting, system design, development, deployment, and support; Aurora air traffic management system engineering, software development, test, and verification; MaxSim air traffic control simulation; and ICE aviation phraseology training tools.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Digital ATC Tower Systems

Service: Digital ATC Tower SystemsService: Aerodrome System IntegrationService: Remote Tower ArchitectureIndustry: AviationIndustry: AirportsType: Aviation Engineering+19 more

Adaptive X Labs

Advanced Engineering Development For Transportation

WebsiteUpdated Jun 2026

Service detail: Concept Ideation

Service: Concept IdeationService: Problem Framing and Use-Case DefinitionService: Early CAD ModelingIndustry: AutomotiveIndustry: TransportationType: Transportation Engineering+6 more

Additive at Scale

College Station, TX

Accelerating innovation through advanced rapid manufacturing solutions

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Mechanical Concept DevelopmentService: Design for Additive ManufacturingIndustry: Public SafetyIndustry: DefenseType: Mechanical Engineering+23 more

Aditi Consulting

Bellevue, WA

Global. Innovative. Transformative.

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: Cross-Cloud Migration for a Global Insurance Enterprise

Service: AI + Data TransformationService: Data Strategy & ArchitectureService: Data EngineeringIndustry: Financial ServicesIndustry: HealthcareType: Software Engineering+23 more

Advanced Simulation Technology, Inc.

Aston, PA

Creatively combining classic and emerging engineering technologies

WebsitePhone1 officeUpdated Jun 2026

Service detail: Product Design

Service: Product DesignService: Computer-Aided Design (CAD)Service: Finite Element Analysis (FEA)Industry: GovernmentIndustry: DefenseType: Mechanical Engineering+20 more

Advanced Structural Technologies Inc

Edina, MN

Engineering expertise. Easy communication. Collaborative solutions.

WebsitePhone1 office2 leaders3 credentialsFounded 2002Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Conceptual PlanningService: Design-Build DeliveryIndustry: Multifamily ResidentialIndustry: HospitalityType: Structural Engineering+27 more

Advanced Technology Systems Company

McLean, VA

We build solutions.

WebsitePhone5 offices3 projects8 leaders2 credentialsUpdated Jun 2026

Project: Georgia Border Surveillance Program

Service: Systems IntegrationService: Security Surveillance SystemsService: Communications SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+18 more

Advantech GS Enterprises

La Jolla, CA

Advantech GS Enterprises is a La Jolla, California-based technical and professional services firm serving the Department of Defense, U.S. military branches, and other government agencies. Its team blends deep defense and government expertise with engineering, cybersecurity, analytics, and program management capabilities to support mission-critical programs.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Cybersecurity and Intelligence

Service: Cybersecurity and IntelligenceService: Systems EngineeringService: Analytics and AIIndustry: DefenseIndustry: FederalType: Defense Engineering+4 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 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