Public engineering firm directory

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3Vi, Inc.

San Ramon, CA

Engineering Excellence for a Sustainable Future

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Systems Engineering & Integration

Service: Systems Engineering & IntegrationService: SCADA and Control SystemsService: Communications SystemsIndustry: TransitIndustry: RailType: Electrical Engineering+18 more
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Applied Automation and Controls, Inc.

Expert Automation & Control Solutions for Oil & Gas

Website5 credentialsUpdated Jun 2026

Service detail: Automation & Control Systems Engineering

Service: Automation & Control Systems EngineeringService: Data Acquisition SystemsService: SCADA and HMI DevelopmentIndustry: Oil & GasIndustry: IndustrialType: Automation & Controls+27 more
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CEE Corporation

Reston, VA

Innovative Excellence

WebsitePhone1 office5 leaders3 credentialsUpdated Jun 2026

Service detail: Enterprise Architecture and Systems Engineering

Service: Enterprise Architecture and Systems EngineeringService: Enterprise Architect as a ServiceService: Network and Internetworking SystemsIndustry: FederalIndustry: GovernmentType: Software Engineering+21 more
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Charles F. Day & Associates LLC

Davenport, IA

Ready to deliver solutions for your challenges.

WebsitePhone1 office6 projects2 leaders5 credentialsFounded 1995

Project: M777A2 Field Service Representative Services

Service: Engineering & Technical ServicesService: UXO/EOD Response ServicesService: Explosive Safety and Hazard MitigationIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more
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Earth Space Technology Services, LLC

Upper Marlboro, MD

Empowering Innovation

WebsitePhone1 office3 projects1 leaders5 credentialsFounded 2020

Project: NASA OMES III Multidiscipline Engineering Support

Service: Aerospace & Mechanical EngineeringService: Systems & Network EngineeringService: Network Infrastructure & AdministrationIndustry: FederalIndustry: AerospaceType: Aerospace Engineering+13 more
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Four Pillars Global Management, Inc.

Partnership you can count on.

Website5 leaders2 credentialsUpdated Jun 2026

Service detail: Technical and Support Services

Service: Technical and Support ServicesService: CybersecurityService: Cloud ComputingIndustry: DefenseIndustry: FederalType: Defense Engineering+15 more
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MillerWilson Consulting LLC

North Charleston, SC

MillerWilson Consulting delivers engineering, multi-cloud, DevSecOps, and data science solutions. It provides systems engineering, software development lifecycle management, and Collaborative Lifecycle Management implementations to commercial, federal, and defense organizations.

WebsitePhone1 office1 projectsFounded 1999Updated Jun 2026

Project: Collaborative Lifecycle Management Implementation

Service: Systems Engineering and Lifecycle ManagementService: Requirements Development and ManagementService: Configuration and Change ManagementIndustry: FederalIndustry: DefenseType: Defense Engineering+20 more
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NexGen Data Systems, Inc.

Relevant Knowledge, Quality Engineering, Expert Solutions

Website7 credentialsUpdated Jun 2026

Service detail: Cloud Computing

Service: Cloud ComputingService: CybersecurityService: Project ManagementIndustry: DefenseIndustry: FederalType: Software Engineering+34 more
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Telecom Design Solutions, LLC

Naperville, IL

Precision fiber engineering, cloud security architecture, and AI-powered threat intelligence

WebsitePhone1 office1 projects1 leaders2 credentialsFounded 2016

Project: OSP Fiber Engineering Route Delivery

Service: OSP Fiber & Telecom EngineeringService: Outside Plant Fiber DesignService: Aerial and Underground Route PlanningIndustry: TelecommunicationsIndustry: InfrastructureType: Telecom / RF Engineering+25 more
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X-Feds, Inc.

San Diego, CA

X-perience. X-pertise. X-cellence.

Website1 office4 projects3 credentialsFounded 2004Updated Jun 2026

Project: Navy First ATO for Azure (NAVSEA / Microsoft)

Service: Security EngineeringService: Information AssuranceService: Multi-Level Security EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more
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