Public engineering firm directory

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Cornerstone Earth Group, Inc.

Sunnyvale, CA

From the Ground Down - geotechnical, environmental, and construction services for the Bay Area development community.

WebsitePhone1 office6 projects15 leaders2 credentialsFounded 2007

Project: Overton Moore Properties - Oaks Business Park

Service: Environmental ServicesService: Phase I Environmental Site AssessmentsService: Preliminary Endangerment AssessmentsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+77 more

Landmark Consultants Inc

El Centro, CA

Landmark Consultants, Inc. offers a broad range of geotechnical engineering, construction materials testing, and environmental consulting services in Southern California. Serving both public and private sectors, the practice provides technical evaluations from initial site planning through construction. Key services include geotechnical investigations, soil and concrete testing, special inspections, and environmental site assessments.

WebsitePhone2 offices3 leadersFounded 2003Size Estimate: 21 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Geologic and Engineering ReportsIndustry: GovernmentIndustry: Water SupplyType: Environmental Engineering+19 more

Materials Testing, Inc. dba KC Engineering Co.

Vacaville, CA

Engineering Consulting and Testing Firm

WebsitePhone2 offices2 projects3 leaders5 credentialsFounded 1996

Project: The Cypress Avenue Bridge Replacement Project

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Geotechnical Design CriteriaIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+36 more

Noble Consultants, Inc.

Petaluma, CA

Civil, Coastal, Estuarine, and Harbor Engineering

WebsitePhone2 offices8 projects1 leadersUpdated Jun 2026

Project: Tracy Pump Plant Fish Bypass Facility Renovation

Service: Coastal EngineeringService: Shoreline ProcessesService: Numerical ModelingIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+72 more

PJC & Associates, Inc.

Rohnert Park, CA

Consulting Engineers & Geologists Northern California

WebsitePhone1 office5 credentialsFounded 1990Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Design Level Geotechnical InvestigationsService: Geotechnical Consultations During ConstructionIndustry: ResidentialIndustry: Multifamily ResidentialType: Geotechnical Engineering+57 more

Reese and Associates, Inc.

Santa Rosa, CA

Reese and Associates, Inc. is a geotechnical engineering firm headquartered in Santa Rosa, California, providing consulting and laboratory testing services to residential and commercial clients in the North Bay area. Formed in 2009 from the operations of Giblin Associates, Consulting Geotechnical Engineers, Reese and Associates serves public and private sector clients with geotechnical investigations, subsurface explorations, fault studies, geologic hazard assessments, and in-house laboratory testing performed to ASTM and Caltrans standards. During construction, geotechnical engineers and field technicians provide observation and testing services for site grading, fill placement, and foundation construction.

WebsitePhone1 office4 leaders3 credentialsFounded 2009Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical and Geologic ReconnaissanceService: Site InvestigationIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+21 more

SA Geotechnical, Inc.

Irvine, CA

Geotechnical Solutions with Design in Mind

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Engineering Geology

Service: Engineering GeologyService: Geologic Hazard EvaluationsService: Geologic Due DiligenceIndustry: ResidentialIndustry: IndustrialType: Geotechnical Engineering+33 more