Public engineering firm directory

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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

Aerospace Technical Services LLC

Boston, MA

Best-in-Class Data Science Solutions for Aerospace, Energy, and Health Systems

Website4 offices7 projects5 leadersFounded 2015Updated Jun 2026

Project: Optimizing Satellite Constellations: ATS MDP Model Application

Service: Data ScienceService: Machine LearningService: Predictive Asset ManagementIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+11 more

Anzen Engineering USA LLC

Washington, DC

Your engineering partner for Safety/Mission-critical systems

Website1 office1 credentialsUpdated Jun 2026

Service detail: Safety & Reliability Engineering

Service: Safety & Reliability EngineeringService: Product Assurance / RAMSService: TestabilityIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+8 more

CNC Civil Services, LLC

Washington, DC

Civil Engineering. Planning. Site Development. Surveying.

WebsitePhone2 offices7 projects2 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Capital Exports Warehouse

Service: Civil EngineeringService: Site Engineering / Land DevelopmentService: Water Resources EngineeringIndustry: Electric UtilitiesIndustry: Water SupplyType: Civil Engineering+34 more

CSSI

Washington, DC

Your Partner in Safety, Efficiency and Innovation

WebsitePhone1 officeFounded 1990Size Estimate: 175+ employeesUpdated Jun 2026

Service detail: Safety Management

Service: Safety ManagementService: Focuses On Operational SafetyService: Safety-critical SystemsIndustry: AviationIndustry: DefenseType: Aviation Engineering+27 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

Cavan Solutions Inc

Washington, DC

Your trusted advisor in the world of aviation!

Website1 office6 projects9 leaders1 credentialsUpdated Jun 2026

Project: Air Traffic Flow Management (ATFM) Enhancement

Service: Analytics and AssessmentService: Data AnalyticsService: Operational Needs AssessmentIndustry: AviationIndustry: SpaceType: Aviation Engineering+14 more

Dulles Geotechnical and Materials Testing Services, Inc.

Chantilly, VA

Geotechnical engineering, construction inspection, materials testing, and software solutions

WebsitePhone4 offices10 projects7 credentialsFounded 2012Size Estimate: 70+ employees

Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Service: Geotechnical EngineeringService: Engineering Analysis and DesignService: Foundation DesignIndustry: Highways & RoadsIndustry: TransitType: Geotechnical Engineering+36 more

EndoSec LLC

West Lafayette, IN

The Art of Attack meets the Science of Security

Website2 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Security Engineering & Consulting

Service: Security Engineering & ConsultingService: Threat AssessmentService: Security Consultation & DesignIndustry: DefenseIndustry: AerospaceType: Software Engineering+18 more

Enveniam LLC

Oak Ridge, TN

Integrated Expertise. Mission-Ready Solutions.

Website8 offices5 projects4 credentialsFounded 2022Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: Pu-238 Production and Automation Support for NASA Space Missions

Service: Advanced Energy SolutionsService: Nuclear TechnologyService: Nuclear OperationsIndustry: NuclearIndustry: FederalType: Environmental Engineering+32 more

Equator Corporation

Washington, DC

Strength of Team, Depth of Capability

WebsitePhone3 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: DISA JITC Test and Evaluation Contract II

Service: Executive, Program, and Project ManagementService: Strategic Planning and Policy DevelopmentService: Executive Management Consulting and MentoringIndustry: DefenseIndustry: FederalType: Defense Engineering+43 more

Globetrotters Engineering Corporation

Chicago, IL

Architecture, Engineering, Technology

WebsitePhone3 offices9 projects6 leaders10 credentialsFounded 1974

Project: O'Hare International Airport Terminal 5

Service: ArchitectureService: Condition AssessmentService: Spatial and Building DesignIndustry: TransitIndustry: TransportationType: Architecture & Engineering+48 more

Green Expert Technology Inc.

Haddonfield, NJ

Helping Clients Reach Their Mission. Helping Employees Reach Their Goals.

WebsitePhone6 offices5 projects6 leaders6 credentialsUpdated Jun 2026

Project: Support for US Navy Machinery Control Systems on DDG 51 Class Ships

Service: Systems EngineeringService: Integrated Bridge & Navigation SystemsService: Steering & Ship Control SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

Innovative Technologies Corporation

Washington, DC

Innovative Technologies Corporation provides integrated engineering, cybersecurity, analytical, and mission support services for federal customers and industry partners. Its capabilities include systems engineering, technical integration, modeling and simulation, artificial intelligence and machine learning, systems analysis, technical oversight and sustainment, cybersecurity, test and evaluation, range support, readiness support, and intelligence analysis.

WebsitePhone1 office3 leaders1 credentialsFounded 1987Updated Jun 2026

Service detail: Engineering and Technical Services

Service: Engineering and Technical ServicesService: Cybersecurity and Information AssuranceService: Test, Evaluation, and Range SupportIndustry: FederalIndustry: DefenseType: Defense Engineering+5 more

Isys Incorporated

Littleton, CO

Delivering Technology and Engineering Services to Government Customers

WebsitePhone3 offices3 projects1 leaders14 credentialsFounded 2002

Project: COOL-R Program Support

Service: CybersecurityService: Vulnerability Assessments & Risk MitigationService: Compliance & Security IntegrationIndustry: SpaceIndustry: DefenseType: Software Engineering+16 more

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 more

LS Technologies, LLC

Washington, DC

Transformation That Moves the Nation. Delivering Airspace Innovation Now.

WebsitePhone1 office3 projects13 leaders2 credentialsFounded 2000

Project: Ryan Airfield Air Traffic Control Tower Upgrade

Service: Engineering ServicesService: Systems EngineeringService: Air Traffic Control EngineeringIndustry: AviationIndustry: AerospaceType: Aviation Engineering+20 more

Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more

Orbis Sibro Inc

Charleston, SC

Engineering Solutions with Purpose, Precision, and Innovation.

WebsitePhone6 offices2 projects15 leaders3 credentialsFounded 2000

Project: MDA SHIELD Support

Service: Government ServicesService: Systems EngineeringService: Logistics and Mission SupportIndustry: GovernmentIndustry: DefenseType: Defense Engineering+9 more

Pacific Aerospace Consulting Inc

San Diego, CA

Innovative Independent Professional Solutions

Website6 offices4 leaders1 credentialsFounded 2004Updated Jun 2026

Service detail: Aerospace Acquisition and Sustainment

Service: Aerospace Acquisition and SustainmentService: Acquisition Strategies and Management SupportService: Program ManagementIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+29 more

Precision Systems, Inc. (PSI)

Washington, DC

Engineering the Future of Transportation

WebsitePhone1 office6 projects2 credentialsFounded 1994Size Estimate: 10-50 employees

Project: 11th Street NW Bus Priority Project - Transit, Bike and Pedestrian Improvements

Service: Roadway DesignService: Streetlight and Traffic Signal DesignService: Safety Improvement DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+41 more

RESPEC Company LLC

Rapid City, SD

Practical Outcomes From Complex Challenges

WebsitePhone19 offices3 leadersUpdated Jun 2026

Service detail: Infrastructure Resiliency and Modernization

Service: Infrastructure Resiliency and ModernizationService: Transportation NetworksService: Water SystemsIndustry: MiningIndustry: TransportationType: Civil Engineering+43 more

SETTY & Associates

Washington, DC

Design | Engineering | Sustainability

WebsitePhone12 offices12 projects9 leaders9 credentialsFounded 1984

Project: DCPS COVID / Emergency IAQ Retrofits

Service: MEP/FP EngineeringService: Mechanical HVAC Systems DesignService: Electrical Power and Lighting SystemsIndustry: HealthcareIndustry: LaboratoriesType: MEP+39 more

Saalex Corporation

Washington, DC

Information Engineering & Technologies

Website5 offices3 projects8 leaders7 credentialsFounded 1999Updated Jun 2026

Project: TARIF IPT Contractor Support Services

Service: Engineering Support ServicesService: Systems EngineeringService: Test and Evaluation SupportIndustry: AerospaceIndustry: DefenseType: Defense Engineering+22 more