Public engineering firm directory

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Applied Management Corporation

Technical services providing a more secure environment

Website3 credentialsFounded 1988Updated Jun 2026

Service detail: Design Engineering

Service: Design EngineeringService: Design Specification & Drawing ReviewService: Engineering Change Proposal SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+15 more

Aunautic Technologies, LLC

National City, CA

Engineering Excellence for Mission Critical Systems

WebsitePhone1 office1 leaders1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Requirements Analysis and TraceabilityService: Systems ArchitectureIndustry: DefenseIndustry: FederalType: Defense Engineering+19 more

Brandes Associates, Inc.

Lone Tree, CO

Breadth. Agility. Innovation.

WebsitePhone2 officesFounded 1990Updated Jun 2026

Service detail: Agile Software Development

Service: Agile Software DevelopmentService: Agile Release Train IntegrationService: Microservices Architecture & OrchestrationIndustry: GovernmentIndustry: DefenseType: Defense Engineering+27 more

GHT Limited

Arlington, VA

Engineering that Transforms Architecture.

Website1 office10 projects4 leaders3 credentialsFounded 1965Updated Jun 2026

Project: Amazon HQ2 Metropolitan Park

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: GovernmentType: MEP+46 more

Global Systems Technologies LLC

Stafford, VA

Innovative Engineering and IT Solutions for National Security

WebsitePhone1 office3 projects4 leaders3 credentialsUpdated Jun 2026

Project: Professional Engineering and Logistics Support Services (PELSS-3)

Service: Systems Engineering and Model Based Systems Engineering (MBSE)Service: Research and Development (R&D)Service: Test and Evaluation (T&E)Industry: Intelligence & National SecurityIndustry: DefenseType: Defense Engineering+26 more

Oak Valley

Hot Springs, AR

Broad extensive engineering experience for industrial combustion and control systems

WebsitePhone1 office1 projects1 leaders2 credentialsFounded 1993

Project: Lumberton Biomass Power Plant Control System Upgrade

Service: Commissioning and TrainingService: Commissioning and Start-up AssistanceService: Operator Mentoring and Plant Personnel SupportIndustry: Power GenerationIndustry: Biomass & BioenergyType: Mechanical Engineering+32 more

Paloma Systems, Inc.

Systems engineering, integration, and program management for government defense programs

Website4 projects2 credentialsFounded 1998Updated Jun 2026

Project: DISA Encore III Subcontract

Service: Systems Engineering & IntegrationService: Technical Specifications DevelopmentService: Enterprise Architecture Design & AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more

Proe Power Systems, LLC

Propulsion, Power and Energy Engineering Services

Website1 credentialsUpdated Jun 2026

Service detail: Thermal and Energy Engineering

Service: Thermal and Energy EngineeringService: Liquid and Air Cooled Electronics OptimizationService: Thermal Control SystemsIndustry: AerospaceIndustry: SpaceType: Automation & Controls+35 more

SigmaCorps Solutions, LLC

Stafford, VA

Superior Solutions for Government

WebsitePhone1 office1 projects1 credentialsUpdated Jun 2026

Project: USMC PM GBAD Inventory Management Support

Service: Counter-Unmanned Aerial Systems (C-UAS) Professionals & ExpertiseService: FAA Part 107 Certified Drone PilotsService: Counter-UAS System Assessment, Analysis & ReportingIndustry: DefenseIndustry: GovernmentType: Defense Engineering+75 more

Site Consulting Engineers, LLC

Lee's Summit, MO

Civil Engineering Solutions to Meet Your Unique Needs.

WebsitePhone1 office8 projects1 leaders1 credentialsFounded 2005

Project: Grid Tied Solar Field in NE Kansas

Service: Site and Land Development EngineeringService: Land Development and Land PlanningService: Full Service Site Construction Plan Development and PermittingIndustry: CommercialIndustry: RetailType: Civil Engineering+15 more

Wallace Montgomery

Sustainable Infrastructure through Innovative Engineering

Website15 projects2 credentialsUpdated Jun 2026

Project: MD 404 Dualization Design-Build

Service: Alternative Project DeliveryService: Construction Quality Control Inspection ServicesService: Design-Build TrainingIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+56 more