Public engineering firm directory

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AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

Allender Butzke Engineers Inc.

Urbandale, IA

Solid Relationships. Solid Solutions.

WebsitePhone1 office1 projects1 credentialsFounded 1992Size Estimate: 35-40 employees

Project: Kreg Tool HQ

Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsService: Seismic Site ClassificationIndustry: GovernmentIndustry: EducationType: Civil Engineering+24 more

Application Technology Strategy, LLC

Georgetown, TX

Satellite and space consulting firm specializing in satellite communications and space systems technology consulting. ATS is led by Bruce Elbert with over 50 years of space industry experience, offering technical and management consulting, systems architecture, broadband and wireless consulting, RF and interference resolution, and expert witness services for legal proceedings involving satellite and radio communications.

Website1 office1 leaders5 credentialsFounded 1999Updated Jun 2026

Service detail: Technical & Management Consulting in Satellite Communications

Service: Technical & Management Consulting in Satellite CommunicationsService: Space Segment ConsultingService: Ground Segment ConsultingIndustry: AerospaceIndustry: DefenseType: Telecom / RF Engineering+14 more

Carrasquillo Associates, LTD

Austin, TX

State-of-the-art engineering consulting services related to materials, structures, and the construction industry with over 30 years of experience.

WebsitePhone1 office6 projects1 leaders3 credentialsUpdated Jun 2026

Project: Reinforced Concrete Pile Cap Seismic Analysis

Service: Forensic Engineering Investigation & AnalysisService: Construction and Engineering Expert WitnessService: Failure Investigation & AnalysisIndustry: CommercialIndustry: ResidentialType: Structural Engineering+21 more

Cyntergy

Tulsa, OK

It's Relationships We Build

Website1 office15 projects22 leadersFounded 1997Updated Jun 2026

Project: U.S. Pentagon

Service: Civil EngineeringService: Site DevelopmentService: Grading and EarthworkIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+44 more

Devise Engineering, Inc.

Anchorage, AK

Alaska's Premier Structural, Civil, and Geotechnical Engineering Firm

WebsitePhone1 office3 leadersFounded 2024Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Airport Facilities and Aircraft HangarsService: Bridges (Pedestrian and Temporary)Industry: EducationIndustry: FederalType: Civil Engineering+35 more

Earth Mechanics, Inc.

Fountain Valley, CA

Engineering resilience for a safer future

WebsitePhone4 offices5 projects11 leaders20 credentials4 publications

Project: Superior Avenue Pedestrian-Bicycle Bridge & Parking Lot

Service: Geomechanical & SeismologyService: Soil MechanicsService: Rock MechanicsIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+35 more

F. Michael Sikes, P.E., LLC

Savannah, GA

F. Michael Sikes, P.E., LLC provides structural engineering solutions for commercial, industrial, education, and residential building projects throughout the southeast United States. Based in Savannah, Georgia, the firm specializes in high wind engineering and continuous load path design for coastal regions spanning North Carolina to Florida and the Gulf Coast states, as well as seismic design for projects within the Charleston, South Carolina high-seismic zone and surrounding areas. The firm has served as consultant to architects and engineers across the region, delivering code-compliant structural systems in reinforced concrete masonry, structural steel, concrete framing, wood framing, heavy timber, and light-gauge metal framing.

WebsitePhone1 office1 leaders2 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: High Wind EngineeringService: Seismic DesignIndustry: CommercialIndustry: IndustrialType: Structural Engineering+4 more

GeoPentech

Irvine, CA

Innovative and Effective Solutions for Earth-Related Projects

Website1 office14 leadersFounded 2000Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Slope StabilityService: Landslide Evaluation and RepairIndustry: MiningIndustry: NuclearType: Civil Engineering+24 more

GeoStrata

Bluffdale, UT

Leaders in Engineering and Geoscience

WebsitePhone1 office9 credentialsFounded 1999Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation Soils AssessmentService: Pavement DesignIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

Geotechnical Resources, Inc.

Tigard, OR

Technical Innovations and Practical Design Solutions

WebsitePhone5 offices3 projects2 credentialsFounded 1984Updated Jun 2026

Project: City of Corvallis Pavement Management Program

Service: Geotechnical EngineeringService: Foundation and Retaining Structure DesignService: Seismic and Slope StabilityIndustry: AviationIndustry: AirportsType: Geotechnical Engineering+38 more

Group Delta Consultants Inc

Anaheim, CA

Proven Expertise. Powerful Results.

Website5 offices1 leaders1 credentialsFounded 1986Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Site Specific Seismic Hazard Evaluations and Ground Motion StudiesIndustry: AirportsIndustry: BridgesType: Environmental Engineering+29 more

InfraTerra

San Francisco, CA

Consulting services for the earth and the built environment

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Seismic Hazard Assessment

Service: Seismic Hazard AssessmentService: Dynamic Structural Analysis and Numerical SimulationsService: Seismic Structural ReviewsIndustry: Water SupplyIndustry: Water ResourcesType: Civil Engineering+13 more

JL Donahue Engineering, Inc.

Bend, OR

JL Donahue Engineering, Inc. is a geotechnical and seismic engineering firm founded in 2017 and based in Bend, Oregon. Led by Dr. Jennifer L. Donahue, it provides probabilistic and deterministic seismic hazard analysis, site response analysis, liquefaction and slope stability assessments, foundation design, and independent peer review for clients ranging from small businesses to major utilities. Dr. Donahue is an active researcher and member of post-earthquake reconnaissance teams, and serves on dam safety and ground motion advisory boards.

WebsitePhone1 office3 projects1 leaders3 credentialsFounded 2017

Project: Pit 3 Dam Probabilistic Fault Displacement Hazard Assessment

Service: Seismic Hazard AnalysisService: Probabilistic Seismic Hazard Analysis (PSHA)Service: Deterministic Seismic Hazard Analysis (DSHA)Industry: Power GenerationIndustry: Water ResourcesType: Geotechnical Engineering+11 more

Luna Consulting, LLC

St. Louis, MO

Geotechnical Engineering and Independent Technical Review Specialists

WebsitePhone1 office5 projects1 leaders4 credentialsSize Estimate: 1 employees

Project: Stormwater Streambank Stabilization Design

Service: Geotechnical Earthquake EngineeringService: Seismic DesignService: Site Response AnalysisIndustry: Water ResourcesIndustry: Highways & RoadsType: Geotechnical Engineering+31 more

Mueser Rutledge Consulting Engineers

New York, NY

Built on firm foundations

WebsitePhone3 offices8 projects11 leaders16 credentials5 publications

Project: One World Trade Center

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Earthquake EngineeringIndustry: BridgesIndustry: CommercialType: Geotechnical Engineering+41 more

Paradigm Structural Engineers, Inc.

San Francisco, CA

Intelligent Structural Solutions

WebsitePhone3 offices12 projects1 leadersFounded 1999Size Estimate: 66 employees

Project: 8VC

Service: Structural DesignService: Ground Up DesignService: Tenant Improvements and RenovationsIndustry: Mission Critical FacilitiesIndustry: Data CentersType: Structural Engineering+19 more

Preissner Engineering & Consulting, LLC

Ann Arbor, MI

Do It Better.

WebsitePhone1 office3 projects7 credentialsUpdated Jun 2026

Project: James Webb Space Telescope Transporter (STTARS)

Service: Finite Element AnalysisService: Structural AnalysisService: Specialized Environments SimulationIndustry: AerospaceIndustry: SpaceType: Mechanical Engineering+27 more

Rinne & Peterson, Inc.

Santa Clara, CA

Structural Engineers

WebsitePhone1 office10 projects8 leadersFounded 1960Size Estimate: 10-49 employees

Project: Varian Medical Systems Campus Center

Service: Structural and Seismic EngineeringService: New Building DesignService: BIM Modeling and CoordinationIndustry: CommercialIndustry: ResidentialType: Structural Engineering+12 more

SDR Engineering Consultants, Inc.

Tallahassee, FL

A Passion For Structures

WebsitePhone3 offices6 projects3 leaders9 credentials2 publications

Project: Louisiana Bridge Design and Evaluation Manual (BDEM)

Service: Structural DesignService: Bridge DesignService: Construction Engineering SupportIndustry: BridgesIndustry: Highways & RoadsType: Structural Engineering+29 more

Slate Geotechnical Consultants

Oakland, CA

Slate Geotechnical Consultants is an Oakland-based geotechnical engineering firm specializing in seismic hazard assessment, dam and levee safety, and geohazard evaluations. Its practice spans site investigation and characterization to performance-based foundation evaluations, with additional offices in South Lake Tahoe and Southern California. Its engineers actively participate in research and development of earthquake engineering techniques, contributing to national seismic hazard maps and U.S. building codes.

WebsitePhone2 offices2 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Seismic Hazard and Ground MotionsService: Geology and Geologic HazardsIndustry: Environmental & RemediationIndustry: Stormwater & Flood ControlType: Geotechnical Engineering+3 more

Womer and Associates, Inc.

Spokane, WA

People | Culture | Design

WebsitePhone1 office11 projects4 leadersFounded 1992Updated Jun 2026

Project: Stillaguamish Administration Building

Service: ArchitectureService: Interior DesignService: Tenant ImprovementsIndustry: GovernmentIndustry: CommercialType: Architecture & Engineering+39 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

onBoresight Research LLC

Lihue, HI

onBoresight Research LLC is an engineering services organization headquartered in Lihue, Hawaii, providing systems engineering, cybersecurity, hardware modernization, and software development for government test ranges and forward-deployed defense assets. Its technical staff includes electrical, mechanical, and civil engineers, as well as architects with expertise in radar systems, RMF cybersecurity accreditation, FPGA integration, and model-based systems engineering. The organization supports mission planning, operations and maintenance, system performance evaluation, and radar operator training specific to MIT Lincoln Laboratory ROSA and WB-COSIP radar systems.

WebsitePhone1 officeSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: RMF Cybersecurity

Service: RMF CybersecurityService: System Architecture RestructuringService: Vulnerability Scanning & HardeningIndustry: GovernmentIndustry: FederalType: Defense Engineering+30 more