Public engineering firm directory

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Geographic Data Management Solutions

Lancaster, CA

GIS & CAD Solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Asset and Facility Management Solutions

Service: Asset and Facility Management SolutionsService: Field Asset Collection and GIS MappingService: Database Design and System IntegrationIndustry: InfrastructureIndustry: Land DevelopmentType: Software Engineering+9 more

HD Structural Co.

Los Angeles, CA

Structural Engineering & Consulting Services

WebsitePhone1 office12 projects1 leaders8 credentialsFounded 2019

Project: Massachusetts College of Art and Design

Service: Structural Engineering DesignService: Reinforced concrete designService: Post-tensioned concrete designIndustry: EducationIndustry: HealthcareType: Structural Engineering+31 more

IDA Structural Engineers, Inc.

Oakland, CA

IDA Structural Engineers, Inc. is a consulting structural engineering practice established in 1986 and based in Oakland, California. It provides comprehensive structural design and analysis for projects ranging from mid-rise structures to smaller renovations, with an emphasis on seismic retrofit solutions. Serving clients across multifamily residential, education, healthcare, data centers, wineries, office, retail, industrial, and public sectors, the practice delivers technical expertise and reliable, personalized service.

WebsitePhone1 office1 projects6 leaders3 credentialsFounded 1986

Project: Hamel Family Winery

Service: Structural Engineering DesignService: New Construction DesignService: BIM and DetailingIndustry: Multifamily ResidentialIndustry: EducationType: Structural Engineering+16 more

KSU Engineering

Chino, CA

Setting A New Standard in Design Engineering

WebsitePhone1 officeUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System StudiesService: Short Circuit AnalysisIndustry: CommercialIndustry: ResidentialType: MEP+36 more

Leading Edge Consulting Engineers

San Marcos, CA

Innovative mechanical, electrical, plumbing, and energy engineering design

WebsitePhone1 office4 projects2 leaders7 credentialsUpdated Jun 2026

Project: San Manuel Indian Bingo and Casino

Service: Mechanical EngineeringService: HVAC DesignService: HVAC CommissioningIndustry: GovernmentIndustry: EducationType: MEP+15 more

Rolls Anderson & Rolls, Inc.

Chico, CA

Civil engineering and land surveying services for public and private infrastructure in Northern California.

Website1 office11 leaders2 credentialsFounded 1971Updated Jun 2026

Service detail: Municipal Engineering

Service: Municipal EngineeringService: City Engineer RepresentationService: Plan and Map CheckingIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+72 more

Saratech

Dana Point, CA

Providing Engineering and Product Development Expertise

WebsitePhone1 office4 projects7 credentialsUpdated Jun 2026

Project: Pacific Gas & Electric - Pipe Drilling & Stopping

Service: Engineering & Product Development ServicesService: CAD Design ServicesService: Advanced Engineering & CFD AnalysisIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+27 more

TransDesign International, LLC

Montgomery, TX

TransDesign International, LLC is a consulting engineering practice serving the power transmission industry with experience in overhead transmission line design and lattice tower development. It provides services from preliminary studies and 3D modeling to full-scale tower testing and steel supply management, supporting utilities through every phase of transmission infrastructure development.

Website2 officesFounded 1983Updated Jun 2026

Service detail: Overhead Transmission Line Design

Service: Overhead Transmission Line DesignService: Preliminary Line Routing StudiesService: Three-Dimensional PLS-CADD ModelingIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Structural Engineering+35 more

Wilson Ihrig

San Francisco, CA

Acoustics, Noise & Vibration

Website4 offices4 projects7 leaders3 credentialsFounded 1966Updated Jun 2026

Project: Benaroya Hall Vibration Isolation

Service: Acoustics and Noise Control ConsultingService: Architectural AcousticsService: Transit and Transportation Noise ControlIndustry: TransportationIndustry: TransitType: Acoustic Consulting+20 more

Zeltmacher Structural Design Engineering

Visalia, CA

Service Through Preeminence

WebsitePhone1 office16 projects12 leaders1 credentialsFounded 2010

Project: Traveler's Motel Affordable Housing Redevelopment

Service: Structural Systems Design, Analysis, and DetailingService: Wood, Steel, Concrete, and Masonry DesignService: Performance and Safety AnalysisIndustry: GovernmentIndustry: EducationType: Structural Engineering+24 more