Public engineering firm directory

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Calder Richards Consulting Engineers, PLLC

Salt Lake City, UT

Building connections from concept to completion

WebsitePhone1 office8 leaders4 credentialsFounded 2005Updated Jun 2026

Service detail: Structural Design

Service: Structural DesignService: Seismic Evaluation and RetrofitService: Seismic + Structural Building EvaluationsIndustry: CommercialIndustry: EducationType: Structural Engineering+17 more

Dan Brown and Associates, LLC

Knoxville, TN

Specialists in Deep Foundation Design, Construction, and Testing and Slope Stability Problems

WebsitePhone1 office4 projects6 leaders11 credentials4 publications

Project: State Route 67 Bridge Repair

Service: Geotechnical EngineeringService: Deep Foundation DesignService: Deep Foundation Construction SupportIndustry: BridgesIndustry: TransportationType: Geotechnical Engineering+21 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

Maffei Structural Engineering

San Francisco, CA

Advanced evaluation and engineering services for structures subjected to earthquakes, wind, and other extreme conditions

WebsitePhone1 office2 leaders4 credentialsFounded 2013Size Estimate: 10-49 employees

Service detail: Seismic Evaluation and Retrofitting

Service: Seismic Evaluation and RetrofittingService: Concrete Building Seismic ScreeningService: New Building Structural DesignIndustry: CommercialIndustry: GovernmentType: Structural Engineering+8 more

SEFT Consulting Group

Beaverton, OR

Resilient ideas and solutions protect you from earthquake and tsunami hazards

WebsitePhone1 office3 projects1 leaders8 credentialsUpdated Jun 2026

Project: The Oregon Resilience Plan

Service: Structural EngineeringService: Structural Design of New ConstructionService: Structural Condition AssessmentIndustry: InfrastructureIndustry: GovernmentType: Structural Engineering+18 more

Structura Management, PLLC

Seattle, WA

Strategic planning for the structures the world depends on.

Website1 office7 projects2 leaders10 credentials2 publicationsFounded 2023

Project: West Seattle Bridge Safety Program

Service: Strategic Asset Management PlanningService: Bridge Inspection & Condition AssessmentService: Underwater Bridge InspectionIndustry: GovernmentIndustry: FederalType: Structural Engineering+11 more