Public engineering firm directory

Find engineering consulting firms by capability and location.

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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 leaders
Service: ArchitectureService: DesignIndustry: ResidentialType: Architecture & Engineering+25 more

3 Rocks Engineering & Surveying

CaƱon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects
Service: Civil EngineeringService: Residential and Commercial Site DevelopmentIndustry: CommercialType: Civil Engineering+30 more

4 Peaks Structural Engineering Group, LLC

Scottsdale, AZ

Dedicated to service, quality, and value delivered in a timely manner to meet your needs.

WebsitePhone1 officeUpdated Jun 2026
Service: Residential Home EvaluationsService: Construction Document PreparationIndustry: ResidentialType: Structural Engineering+19 more

5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects
Service: Architectural DesignService: Programming and Master PlanningIndustry: ResidentialType: Architecture & Engineering+24 more

A&A Engineering

Toledo, OH

Innovative, Trusted Structural Engineering Since 1996

WebsitePhone1 office11 leaders
Service: Core StructuresService: Metal BuildingsIndustry: CommercialType: Civil Engineering+26 more

A-1 Engineering, LLC

San Antonio, TX

A-1 Engineering, LLC is a structural and civil engineering practice founded in 2011, headquartered in San Antonio, Texas, with an additional office in Austin. A family-owned business, it serves property owners, developers, and contractors across residential, commercial, industrial, and institutional project types throughout central Texas. Its engineers perform foundation assessments, structural and civil designs, forensic investigations, and drainage consulting, while supporting clients with independent guidance on foundation repair decisions, load-bearing wall removals, and solar panel framing.

WebsitePhone2 officesFounded 2011
Service: Structural EngineeringService: Foundation AssessmentsIndustry: ResidentialType: Structural Engineering+36 more

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects
Service: PowerService: Substation DesignIndustry: Electric UtilitiesType: Civil Engineering+21 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 projects
Service: Structural EngineeringService: Load-bearing analysisIndustry: ResidentialType: Structural Engineering+20 more

AAA Structural Engineering

Wailuku, HI

AAA Structural Engineering is a licensed structural engineering firm based in Wailuku, Maui, providing structural evaluations, forensic engineering investigations, seawall assessments, and expert consulting services for residential and commercial structures throughout Hawaii. Led by Kiumars Siah, Ph.D., P.E., a licensed structural engineer with more than 35 years of professional experience and over 100 completed forensic investigations, AAA Structural Engineering serves homeowners, attorneys, insurance carriers, real estate professionals, and contractors across the Hawaiian Islands.

WebsitePhone1 office1 leaders
Service: Structural Evaluations and InspectionsService: Real Estate Transaction Inspection ReportsIndustry: ResidentialType: Structural Engineering+14 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects
Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

ABP Engineering

Omaha, NE

Precision in Practice

WebsitePhone1 officeUpdated Jun 2026
Service: Process EngineeringService: Process Design and ModelingIndustry: Biomass & BioenergyType: Structural Engineering+34 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders
Service: Chemical and Process DesignService: Documentation and AnalysisIndustry: Oil & GasType: Chemical Engineering+66 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignIndustry: TransportationType: Geotechnical Engineering+66 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects
Service: ArchitectureService: Schematic and Conceptual Design DevelopmentIndustry: AerospaceType: Architecture & Engineering+42 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects
Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyIndustry: AirportsType: Geotechnical Engineering+42 more

AHA Marine Engineering

Nyack, NY

Your waterfront idea, our engineering expertise

WebsitePhone1 office2 leaders
Service: Underwater InspectionsService: Waterfront Structural DesignIndustry: MarineType: Marine Engineering+19 more

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026
Service: Structural EngineeringService: Structural Design and AnalysisIndustry: CommercialType: MEP+83 more

AMC Engineers & Consultants LLC

Burnet, TX

AMC Engineers & Consultants is a multi-discipline engineering firm based in Burnet, Texas. The practice delivers building engineering, forensic engineering, vertical transportation engineering, and rigging engineering services to a broad client base including developers, contractors, property owners, engineers, manufacturers, attorneys, and insurance companies.

WebsitePhone1 officeUpdated Jun 2026
Service: Building EngineeringService: MEP EngineeringIndustry: CommercialType: MEP+12 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects
Service: Process EngineeringService: PFD and P&ID DevelopmentIndustry: ChemicalsType: Automation & Controls+75 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects
Service: Civil, Site & Land DevelopmentService: Site Development & PermittingIndustry: Renewable EnergyType: Civil Engineering+59 more

APE Structural Engineering

San Diego, CA

California's trusted partner for safe, efficient, and beautiful structures

WebsitePhone3 officesUpdated Jun 2026
Service: Structural EngineeringService: Structural ConsultationIndustry: ResidentialType: Structural Engineering+20 more

APEX Engineering

Los Gatos, CA

Responsive, reliable, and results-driven structural engineering.

WebsitePhone1 officeUpdated Jun 2026
Service: Buildings and FoundationsService: Structural Framing AssessmentIndustry: CommercialType: Structural Engineering+12 more

AR Consulting Engineer PC

Yonkers, NY

Engineering with Precision

WebsitePhone1 office2 projects
Service: Structural DesignService: Steel Structural DesignIndustry: ResidentialType: Structural Engineering+44 more