Public engineering firm directory

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Integral Engineering Group

Knoxville, TN

Engineering Beyond the Curve

Website1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Focuses On The DesignService: OptimizationIndustry: ChemicalsIndustry: PetrochemicalType: Process Engineering+49 more

O & S Services

O & S Services is a multi-disciplinary technology consulting practice incorporated in Texas in 2010, delivering electrical, mechanical, industrial, and systems engineering; cybersecurity; and technical translation. It has served the U.S. Department of Defense, major defense contractors including Lockheed Martin, Collins Aerospace, and Bell Flight, and commercial technology companies such as Texas Instruments, Qualcomm, Toyota, and Honeywell. Its engineers have contributed more than 25 articles to IEEE Consumer Electronics Magazine over a decade.

Website1 leaders1 publicationsFounded 2010Updated Jun 2026

Service detail: Engineering Consulting

Service: Engineering ConsultingService: Electrical EngineeringService: Mechanical EngineeringIndustry: DefenseIndustry: FederalType: Electrical Engineering+34 more

R4 Integration, Inc.

Fort Walton Beach, FL

Systems Engineering & Integration

Website1 office2 projects4 credentialsFounded 2008Updated Jun 2026

Project: C-130 Beyond Line-of-Sight Tactical Removable Airborne Satellite Communications (TRASC) Integration

Service: Systems Engineering & IntegrationService: Network and Systems EngineeringService: SATCOM EngineeringIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+18 more

Root3 Labs

Owings Mills, MD

Hardware R&D for Device Manufacturers Under a Deadline

WebsitePhone1 office3 projects3 credentialsFounded 2012Size Estimate: 1-25 employees

Project: Ammortal Chamber

Service: Strategic DiscoveryService: Strategic advisory / senior engineering mentorshipService: Technical requirements definitionIndustry: Medical DevicesIndustry: DefenseType: Automation & Controls+52 more

WGI, Inc.

West Palm Beach, FL

National Award-Winning Engineering, Land Surveying + Professional Services Firm

WebsitePhone1 office13 projects25 leaders9 credentialsFounded 1972

Project: Wekiva Parkway (SR 429), Section 6 Design Build

Service: ArchitectureService: Building EnclosuresService: Civil EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+68 more