Public engineering firm directory

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Ashley & Vance Engineering

San Luis Obispo, CA

Shaping the communities that we call home.

WebsitePhone9 offices7 projectsFounded 2005Size Estimate: 100-150 employeesUpdated Jun 2026

Project: Fountaingrove Passive House

Service: Structural EngineeringService: Cast-in-Place ConcreteService: Post-Tensioned ConcreteIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+31 more

RRM Design Group

San Luis Obispo, CA

Creating Environments People Enjoy

Website7 offices3 projects1 credentialsUpdated Jun 2026

Project: Lodi Downtown Specific Plan

Service: ArchitectureService: Planning and Urban DesignService: Landscape ArchitectureIndustry: GovernmentIndustry: Land DevelopmentType: Architecture & Engineering+12 more

Wallace Group

San Luis Obispo, CA

Design, Engineer & Deliver

WebsitePhone3 offices14 projects71 leadersFounded 1984Size Estimate: 50-249 employees

Project: US 101/Avila Beach Drive Interchange Improvement Project

Service: Civil and Transportation EngineeringService: Civil and Transportation DesignService: Engineering Services For PublicIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+57 more