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.

Filters2

CJSeto Support Services, LLC

Ventura, CA

CJSeto Support Services, LLC is an environmental compliance, safety, information technology, logistics, and workforce training firm headquartered in Ventura, California. Founded in 1999, CJSeto holds ISO 9001:2015 certification and serves federal agencies, educational institutions, healthcare providers, and commercial clients. Its environmental practice covers hazardous waste management, EPA and RCRA compliance, NEPA documentation, spill prevention planning, environmental monitoring and remediation, and asbestos and lead monitoring. Its safety and industrial hygiene practice encompasses OSHA compliance audits, indoor air quality testing, chemical inventory management, respiratory protection, and hazard assessments. Additional service areas include IT infrastructure, cybersecurity and information assurance, logistics and inventory management, and professional training including HAZWOPER, OSHA, and EPA compliance courses. Federal clients include the U.S. Navy, Department of Homeland Security, NASA, and the Veterans Administration.

WebsitePhone1 office1 credentialsFounded 1999Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Hazardous Waste ManagementService: Environmental Monitoring and SamplingIndustry: FederalIndustry: DefenseType: Environmental Engineering+22 more

Carollo Engineers, Inc.

Walnut Creek, CA

Working Wonders with Water

WebsitePhone1 office12 projects2 leaders1 credentialsFounded 1933

Project: Geren Island Water Treatment Plant Improvements

Service: Water InfrastructureService: Drinking WaterService: WastewaterIndustry: UtilitiesIndustry: Water SupplyType: Water / Wastewater Engineering+23 more

Chico Environmental

Chico, CA

Expert Environmental Services in Northern California

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Environmental Site Assessment

Service: Environmental Site AssessmentService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: GovernmentIndustry: Land DevelopmentType: Environmental Engineering+14 more

Chow Engineering, Inc.

Oakland, CA

Providing Engineering, Construction, and PM Services to Private and Public Entities

Website1 office4 projects5 leaders1 credentialsFounded 1991Size Estimate: 10-50 employees

Project: AC Transit On-Call Engineering and Facilities Support

Service: Design-Build Facilities EngineeringService: Industrial Processing SystemsService: Facility RefurbishmentIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+25 more

Collier Consulting, Inc.

Stephenville, TX

We Bring a World of Solutions

WebsitePhone11 offices18 leadersFounded 1998Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geoscience

Service: GeoscienceService: GroundwaterService: EnvironmentalIndustry: Water ResourcesIndustry: Water SupplyType: Environmental Engineering+30 more

Converse Consultants

Monrovia, CA

Yesterday's Experience, Today's Quality, Tomorrow's Vision

WebsitePhone1 officeFounded 1946Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Engineering GeologyService: Environmental ServicesIndustry: TransportationIndustry: Water SupplyType: Geotechnical Engineering+9 more

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

Cornerstone Engineering, Inc.

Bakersfield, CA

People, Processes, Technology

WebsitePhone1 office8 leadersFounded 1979Updated Jun 2026

Service detail: Regulatory, Permitting & Planning

Service: Regulatory, Permitting & PlanningService: Land, Energy & Carbon StrategyService: Land Development & Civil EngineeringIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+10 more

DCOSTA LLC

Arroyo Grande, CA

Always Capable and Relevant by Design

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Manages Programs Mapped To Critical Objectives To Enhance Organizational PerformanceService: Environmental ServicesIndustry: DefenseIndustry: AerospaceType: Environmental Engineering+30 more

DECON Environmental, Inc.

Scotts Valley, CA

Professional engineering, environmental assessment, and industrial hygiene services

WebsitePhone1 office11 projects7 credentialsUpdated Jun 2026

Project: Air Discharge Permitting for 300,000-Gallon Per Day Wastewater Treatment Plant

Service: Demolition Environmental ServicesService: Preparation and Presentation of Demolition Environmental PlansService: Demolition PermittingIndustry: Land DevelopmentIndustry: Food & BeverageType: Environmental Engineering+45 more

Davids Engineering, Inc.

Davis, CA

Serving Stewards of Western Water Since 1993

WebsitePhone3 offices2 leadersFounded 1993Updated Jun 2026

Service detail: Water

Service: WaterService: Agricultural Water ManagementService: Environmental Water StewardshipIndustry: AgricultureIndustry: Water ResourcesType: Civil Engineering+12 more

Dokken Engineering

Folsom, CA

Transforming design.

WebsitePhone4 offices7 projects12 leaders3 credentialsFounded 1986

Project: Zittle Family Amphitheater Shade Structure

Service: Feasibility & FundingService: Grant Writing SupportService: Preliminary Engineering & Environmental ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

EBA Engineering

Santa Rosa, CA

Sustainable Solutions for an Evolving World

WebsitePhone1 officeFounded 1979Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Sustainable Land Development & Site Engineering DesignService: Grading PlansIndustry: CommercialIndustry: IndustrialType: Civil Engineering+30 more

EDM International, Inc.

Fort Collins, CO

Reliability & Innovation Since 1982

Website4 officesFounded 1982Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Power Delivery Design & EngineeringService: Custom-Engineered Structures & FoundationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

EDM Services, Inc.

Simi Valley, CA

Exceptional Service is all we Sell

WebsitePhone1 office4 projects3 leadersFounded 1990Updated Jun 2026

Project: SoCalGas Senate Bill 1383 Dairy Biomethane Project (South Tulare)

Service: Pipeline EngineeringService: Pipeline Engineering and DesignService: Structural EngineeringIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+39 more

EPD Consultants

Carson, CA

Civil and environmental engineering design services specializing in sustainable water and wastewater systems

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: The Big River Elementary School Onsite Wastewater Treatment System

Service: Civil and Environmental EngineeringService: Low Impact DevelopmentService: Visioning and PlanningIndustry: ResidentialIndustry: CommercialType: Civil Engineering+25 more

Earth Systems

Fremont, CA

Shaping Our Communities

WebsitePhone10 offices13 projects10 leaders8 credentialsFounded 1969

Project: Watts Skatepark

Service: Geotechnical EngineeringService: Geotechnical Feasibility StudiesService: Foundation Design ParametersIndustry: GovernmentIndustry: EducationType: Geotechnical Engineering+29 more

Edifica USA

Lake Forest, CA

Multi-discipline geotechnical, structural, and environmental engineering services

WebsitePhone2 offices1 projectsUpdated Jun 2026

Project: SPLA Port

Service: Geotechnical EngineeringService: Geotechnical Design and AnalysisService: Subsurface Exploration for InfrastructureIndustry: Ports & HarborsIndustry: Highways & RoadsType: Geotechnical Engineering+40 more

EnGENCorp.

Temecula, CA

Proudly serving the Southern California community since 1993

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Geotechnical Engineering Services

Service: Geotechnical Engineering ServicesService: Landslide and Slope Stability AnalysisService: Rippability StudiesIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+13 more

EnSafe Inc.

Memphis, TN

Creative Thinking. Custom Solutions.

WebsitePhone20 offices4 projects15 leaders4 credentialsFounded 1980

Project: Remediation of Perchlorate Contamination at NWIRP McGregor

Service: Environmental Site Assessment & InvestigationService: Phase I/II Environmental Site AssessmentsService: Soil and Groundwater InvestigationsIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+47 more

Engeo Incorporated

San Ramon, CA

Expect Excellence

Website28 offices4 leaders1 credentialsFounded 1971Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Earthquake EngineeringService: Environmental EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+37 more

Engineering Analytics, Inc.

Fort Collins, CO

Professional civil and environmental engineering solutions

WebsitePhone4 officesFounded 2008Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Site Civil DesignService: Structural DesignIndustry: MiningIndustry: AerospaceType: Civil Engineering+47 more

Fall Creek Engineering, Inc.

Santa Cruz, CA

Civil, Environmental, and Water Resource Engineering

WebsitePhone1 office1 leaders1 publicationsFounded 1994Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Low Impact Development (LID) Site Planning, Design and ConstructionService: LEED and Living Building DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Civil Engineering+38 more

Fiedler Group

Pasadena, CA

Fiedler Group is a Pasadena, California-based design and engineering firm founded in 1957, specializing in fueling station and petroleum facility engineering. It provides site investigation reports, entitlement processing, design and engineering, permit acquisition, bidding and procurement assistance, construction support, and program management across the retail petroleum, convenience market, alternative fuels, industrial and petrochemical, food service, commercial, and government sectors throughout the United States. As of January 1, 2026, Fiedler Group joined TAIT and Associates.

WebsitePhone1 officeFounded 1957Updated Jun 2026

Service detail: Design and Engineering

Service: Site Investigation ReportsService: EntitlementService: Design and EngineeringIndustry: Oil & GasIndustry: RetailType: Environmental Engineering+14 more