Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Clear search text
Search: System Testing and Performance VerificationClear all
Filters1

State

CA53TX35FL31NY30MD26

City

New York18Huntsville14Denver11Houston11San Diego11

Services

Electrical Engineering47Mechanical Engineering42Commissioning37Systems Engineering37Plumbing Engineering23

Industries

Defense176Government156Commercial147Education116Federal112

Firm types

Mechanical Engineering128Electrical Engineering124Defense Engineering104MEP88Software Engineering81

365 results

Showing 361-365 of 365

Firm nameRecently updatedProfile depthOffice countSizeAgeLocation match
ComfortableCompact

Zeus Engineering, LLC

Chesapeake, VA

Minimal, modern engineering for complex missions.

Website1 officeUpdated Jun 2026

Service detail: Systems Integration

Service: Systems IntegrationService: Model-Based Systems EngineeringService: Interface Control and Configuration ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+8 more
WebsiteView profile

Zilitivity Inc.

Software engineering and IT services

Website4 projects1 leaders4 credentialsSize Estimate: 11-50 employeesUpdated Jun 2026

Project: COLUMBIA and VIRGINIA Class Nuclear Submarine Ship Control Systems

Service: Software Engineering ConsultingService: Requirements Analysis and PlanningService: System Architecture and DesignIndustry: DefenseIndustry: FederalType: Software Engineering+19 more
WebsiteView profile

ads ENGINEERS, DPC

New York, NY

Mechanical, Electrical, Plumbing, and Fire Protection Engineering

WebsitePhone1 office6 projects3 leaders3 credentialsFounded 1979

Project: Asian Cultural Center

Service: HVAC EngineeringService: Electrical EngineeringService: Electrical Power DistributionIndustry: CommercialIndustry: RetailType: MEP+27 more
WebsiteView profile

eTribeca LLC

New York, NY

The Wi-Fi Site Survey and Design Expert

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Wireless Site Survey

Service: Wireless Site SurveyService: RF AnalysisService: Wireless Network DesignIndustry: ManufacturingIndustry: RetailType: Telecom / RF Engineering+16 more
WebsiteView profile

vigilant.engineering

Seattle, WA

Many engineering firms build hardware. We build operational impact.

Website1 office2 leadersFounded 2025Updated Jun 2026

Service detail: Concept & Architecture Development

Service: Concept & Architecture DevelopmentService: Concept DevelopmentService: Architecture DevelopmentIndustry: DefenseIndustry: Intelligence & National SecurityType: Electrical Engineering+32 more
WebsiteView profile