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.

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A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 more

GeoEnvironmental Resources, Inc.

Virginia Beach, VA

Professional consulting engineering specializing in geotechnical, environmental, groundwater, and industrial services.

WebsitePhone1 office5 projectsFounded 1992Updated Jun 2026

Project: Virginia Beach Convention Center

Service: Environmental EngineeringService: Phase I, II & III Environmental Site AssessmentsService: NEPA Documentation (CE, PCE & EA)Industry: Environmental & RemediationIndustry: GovernmentType: Geotechnical Engineering+41 more

Grace Consulting Inc.

Wellington, OH

Fast, Accurate Data You Can Trust

Website4 offices4 projects3 credentialsFounded 2000Updated Jun 2026

Project: FGD Scrubber Performance Testing Program

Service: Air Emissions TestingService: Stack Testing and Emissions SamplingService: RATA & CEMS CertificationIndustry: Power GenerationIndustry: ManufacturingType: Environmental Engineering+13 more

Ingenium Technical Services, Inc.

Cupertino, CA

Ingenium Technical Services, Incorporated (ITSI) is a Cupertino, California-based aerospace engineering services and technology company founded by senior engineers with over 100 years of combined industry experience. Ingenium specializes in thermal engineering of ground- and space-based systems, covering design and analysis from cryogenic through high-temperature applications, and supports clients from design concept through testing and mission operations. It serves NASA, federally funded research centers, and prime aerospace contractors, and also offers mechanical design, contamination control, and systems engineering support.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: NASA LADEE (Lunar Atmosphere and Dust Environment Explorer)

Service: Thermal Design and AnalysisService: Ground-based Thermal Control SystemsService: High-altitude Balloon MissionsIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+18 more

Mercury Communications, LLC

Winchester, VA

Virginia's Trusted Partner for Connectivity & Communications

WebsitePhone2 offices3 credentialsUpdated Jun 2026

Service detail: Cellular DAS

Service: Cellular DASService: Commercial In-Building Cellular / DASService: Active Distributed Antenna SystemsIndustry: TelecommunicationsIndustry: CommercialType: Telecom / RF Engineering+21 more

Pacific Rim Environmental Inc

Tukwila, WA

Redefining Consulting for 30 Years

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Hazardous Materials Consulting

Service: Hazardous Materials ConsultingService: Building and Facility SurveysService: Hazardous Condition AssessmentsIndustry: CommercialIndustry: IndustrialType: Environmental Engineering+34 more

Tierra, Inc.

Tampa, FL

Full Service Geotechnical, Structural, Forensic, Environmental and Construction Materials Testing Engineering

WebsitePhone3 offices3 projects5 credentialsFounded 1992Size Estimate: 1-25 employees

Project: I-4 / Crosstown Connector Segment 3C, Hillsborough County

Service: Geotechnical EngineeringService: Geotechnical DrillingService: Subsurface InvestigationIndustry: GovernmentIndustry: TransportationType: Geotechnical Engineering+36 more