Public engineering firm directory

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18 Grados Corp

San Juan, PR

18 Grados Design is a multidisciplinary design-build architecture and engineering practice based in Puerto Rico, specializing in contemporary design and comprehensive project development. Founded in 2013, the practice delivers a diverse range of services encompassing architecture, civil and structural engineering, permitting, and construction management. It supports projects across multiple sectors, ranging from custom single-family residences to complex retail expansions and mixed-use developments. By integrating design and construction under a single collaborative framework, 18 Grados Design streamlines the execution of both small-scale renovations and large-scale commercial developments.

Website1 office6 projects3 leadersFounded 2013Updated Jun 2026

Project: Mirador

Service: ArchitectureService: DesignService: Conceptual DesignIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+23 more

AAA Engineering Design

Stanton, CA

AAA Engineering Design is a structural engineering firm based in Stanton, California, founded in 2009 by licensed Professional Engineer Aws Salahaldin. Serving Orange County, Los Angeles County, the Inland Empire, and San Diego County, AAA Engineering Design provides structural analysis, seismic retrofitting, ADU design, foundation engineering, and construction documentation for residential and commercial clients, with over 500 completed projects.

WebsitePhone1 office6 projects1 leaders3 credentialsFounded 2009

Project: CMU Warehouse Mezzanine

Service: Structural EngineeringService: Load-bearing analysisService: Foundation designIndustry: ResidentialIndustry: CommercialType: Structural Engineering+18 more

Alpine Engineering, LLC

Bellingham, WA

Your Vision, Our Commitment - Built to Last in Whatcom, Skagit, and Beyond

WebsitePhone1 office8 projects1 leadersFounded 2020Size Estimate: 1-25 employees

Project: Bellingham Fountain District Mixed-Use Building

Service: Structural EngineeringService: Foundation Design and EngineeringService: Wood Frame Structural DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+18 more

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

Barcus Structural Engineering

Fresno, CA

Barcus Structural Engineering (BSE, Inc.) is a consulting engineering practice located in the Central Valley of California. It services a diverse list of clients, including architects, developers, design-build contractors, industrial owners, and municipalities, providing personalized structural engineering services throughout the state of California as well as nationally and internationally. The practice prides itself on tailoring services to specific needs, providing strict attention to project schedules, constructability, architecturally exposed structural elements, and value engineering.

WebsitePhone1 office8 leadersUpdated Jun 2026

Service detail: Structural Design for Commercial Buildings

Service: Structural Design for Commercial BuildingsService: Corporate Office BuildingsService: Retail CentersIndustry: CommercialIndustry: RetailType: Structural Engineering+31 more

Brienen Structural Engineers P.S.

Kent, WA

Structural engineering consulting services based in Kent, Washington

WebsitePhone1 office23 projectsUpdated Jun 2026

Project: Vibrant Cities: NIWA

Service: Residential Structural DesignService: High-Density and Custom Residential DesignService: Commercial Structural DesignIndustry: CommercialIndustry: Multifamily ResidentialType: Structural Engineering+14 more

Butler Engineering Group, Inc.

Redding, CA

Complete Engineering Services

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Roadway DesignService: Drainage DesignIndustry: CommercialIndustry: EducationType: Civil Engineering+99 more

Chiffert Ingenieria Arquitectonica Corp

Southampton, NY

Helping People Have Resilient Homes & Buildings

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Inspection Services

Service: Inspection ServicesService: Pre-Purchase Home Inspection (Standard)Service: Pre-Purchase Home Inspection (Deluxe)Industry: ResidentialType: Acoustic Consulting+32 more

Edgewater Design Group, LLC

Petoskey, MI

Where Creativity & Precision Meet

WebsitePhone1 officeFounded 2011Updated Jun 2026

Service detail: Design Services

Service: Design ServicesService: Timeline DevelopmentService: Planning And ProgrammingIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+13 more

Feigel Engineering

Brandon, FL

Providing structural engineering solutions to builders, architects, and homeowners throughout Florida

WebsitePhone1 officeFounded 2023Updated Jun 2026

Service detail: Residential Structural Engineering

Service: Residential Structural EngineeringService: Luxury Custom Home DesignService: Single-Family Home DesignIndustry: ResidentialIndustry: CommercialType: Structural Engineering+7 more

Frank W. Neal & Associates, Inc.

Fort Worth, TX

Structural Engineering

WebsitePhone1 office6 leaders20 credentialsFounded 1982Updated Jun 2026

Service detail: Commercial Projects

Service: Commercial ProjectsService: WarehouseService: OfficeIndustry: CommercialIndustry: EducationType: Structural Engineering+29 more

Ganem Consulting Engineering

North Miami, FL

Where Structural Integrity Meets Inspired Design

WebsitePhone1 office5 projects4 leadersFounded 2015Updated Jun 2026

Project: Oasis Hallandale

Service: Structural DesignService: New Construction DesignService: FoundationsIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+70 more

ISOTEK Engineering Group

Riverside, CA

MEP, Structural & Energy Consultant

WebsitePhone5 offices16 projectsUpdated Jun 2026

Project: Academy of Math & Science - Baseline

Service: Civil EngineeringService: Site Development PlanningService: Infrastructure RehabilitationIndustry: CommercialIndustry: RetailType: Civil Engineering+39 more

Linton Engineering

Potomac Falls, VA

Responsiveness | Creativity | Timeliness

WebsitePhone1 office8 projects9 credentialsUpdated Jun 2026

Project: Mount Vernon Ice House Restoration

Service: Historic Preservation Structural EngineeringService: Structural Condition AssessmentService: Stabilization & Restoration DesignIndustry: Historic PreservationIndustry: ResidentialType: Structural Engineering+4 more

MB Structural + Forensics, LLC

Golden, CO

Structural & Forensic Engineering

WebsitePhone2 offices1 leaders2 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Structural Design

Service: Structural DesignService: Residential Structural DesignService: Commercial Structural DesignIndustry: CommercialIndustry: ResidentialType: Structural Engineering+22 more

Malsam Tsang Engineering Corporation

Seattle, WA

We Specialize in Structural Engineering

WebsitePhone4 offices8 projectsFounded 2006Updated Jun 2026

Project: Capitol Core

Service: ResidentialService: ApartmentsService: City Infill HousingIndustry: CommercialIndustry: RetailType: Structural Engineering+20 more

PCS Structural Solutions, Inc.

Seattle, WA

Defining structural engineering.

Website3 offices12 projectsSize Estimate: 60+ employeesUpdated Jun 2026

Project: Swedish First Hill Campus

Service: Structural EngineeringService: New Building Structural DesignService: Adaptive Reuse and RenovationIndustry: HealthcareIndustry: EducationType: Structural Engineering+12 more

Quality of Life Consultants LLC

Expert Witness & Forensics for the Civil Engineering Industry

Website1 leaders1 credentials4 publicationsSize Estimate: 1 employeesUpdated Jun 2026

Service detail: Forensic Engineering and Expert Witness Services

Service: Forensic Engineering and Expert Witness ServicesService: Forensic AnalysisService: Expert Testimony and Litigation SupportIndustry: ResidentialIndustry: CommercialType: Civil Engineering+16 more

RDA Consulting Engineers, LLC

Naples, FL

Engineering Excellence Redefined: Leading the Way in Southwest Florida

WebsitePhone3 offices10 projects5 leadersFounded 2015Size Estimate: 40-50 employees

Project: Vintana at Vanderbilt

Service: Structural EngineeringService: Structural DesignService: FL Milestone InspectionsIndustry: ResidentialIndustry: CommercialType: Civil Engineering+25 more

Reindel Engineering Inc.

San Diego, CA

Reindel Engineering Inc. offers structural engineering design services based in San Diego, California. Founded as a professional corporation, the practice serves as a structural consultant to architects, developers, and general contractors on construction projects. Through effective communication and technical expertise, its team delivers creative structural solutions that provide code-compliance, architectural flexibility, constructability, and material efficiencies.

WebsitePhone1 office6 projects3 leaders1 credentialsUpdated Jun 2026

Project: Dr. Bronner's Magic Soaps T.I.'s

Service: Structural Engineering DesignService: Single-Family Residential DesignService: Multifamily Structural DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+8 more

Rim Rock Engineering

Las Vegas, NV

Quality Structural Designs

WebsitePhone1 office2 leaders1 credentialsUpdated Jun 2026

Service detail: Residential Structural Engineering

Service: Residential Structural EngineeringService: Custom residencesService: Tract housingIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+24 more

Rise Structural Group

Wexford, PA

Building with Integrity, Rising with Strength

WebsitePhone1 office19 projects4 leadersUpdated Jun 2026

Project: Hitachi Hagerstown Showroom

Service: Multi-Family Residential & Mixed-Use PodiumsService: Single-Family ResidentialService: Office, Retail, Educational & ParkingIndustry: Multifamily ResidentialIndustry: Mixed-UseType: Structural Engineering+45 more

S3DA Design

San Ramon, CA

S3DA Design is a structural and MEP engineering firm with offices in California, Texas, and Florida, providing services nationwide. By integrating structural and MEP design under one roof, S3DA acts as a single source of responsibility for architects, real estate developers, contractors, and property owners. With over 20 years of experience and more than 4,600 completed projects covering over 300 million square feet, the engineers deliver code-compliant designs across commercial, residential, healthcare, industrial, and educational sectors.

WebsitePhone4 offices9 projectsUpdated Jun 2026

Project: MEP Design for Single-Family Residence

Service: Structural DesignService: Full-Service Ground-Up BuildingsService: Seismic Retrofit EngineeringIndustry: CommercialIndustry: ResidentialType: Structural Engineering+24 more

T&S Structural, Inc.

San Luis Obispo, CA

T&S Structural provides comprehensive structural engineering services across California and Nevada, specializing in steel, concrete, masonry, and timber construction. Established on January 17, 1994, its portfolio spans custom residential, commercial, civic, healthcare, educational, military, industrial, energy, and hospitality projects. The team delivers work from conceptual planning through construction documents and permit issuance, with a focus on efficient, high-quality, and economical design. T&S Structural also offers forensic analysis, expert witness services, photovoltaic panel support system design, and historic structure rehabilitation.

WebsitePhone5 offices2 credentialsFounded 1994Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Residential Structural DesignService: Commercial and Industrial Structural DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+17 more