Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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1CSDesign

San Diego, CA

Engineering Confidence From the Ground Up

WebsitePhone1 office1 leaders
Service: Structural DesignService: Residential and Commercial Building DesignIndustry: ResidentialType: Structural Engineering+15 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects
Service: MEP/FP Engineering DesignService: Mechanical EngineeringIndustry: EducationType: MEP+39 more

316 Product Development, LLC

Passionate and Creative

Website6 projects6 leadersSize Estimate: 1-9 employees
Service: Mechanical EngineeringService: Advanced Computer Aided Design (CAD)Industry: Medical DevicesType: Mechanical Engineering+36 more

3D Engineering Solutions, LLC

Cincinnati, OH

Measuring & Modeling Quality

WebsitePhone1 office2 credentials
Service: 3D Laser Scanning & DigitizingService: Short Range 3D Laser ScanningIndustry: AerospaceType: Materials Testing+30 more

3Dent Technology, LLC

Houston, TX

Offshore Engineering and Consulting

WebsitePhone1 officeUpdated Jun 2026
Service: Offshore Engineering & ConsultingService: Concept & Basic DesignIndustry: Oil & GasType: Structural Engineering+7 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leaders
Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportIndustry: TransportationType: Civil Engineering+27 more

3U Technologies, LLC

Conroe, TX

Business consultant services engineered to withstand any condition

WebsitePhone1 office2 projects
Service: International Business ConsultingService: Market analysesIndustry: Oil & GasType: Marine Engineering+40 more

A-Tech/Northwest, Inc.

Get an unbiased answer! Our only business is Roof Consulting

Website10 credentialsFounded 1976Updated Jun 2026
Service: Roof ConsultingService: Visual Roof InspectionsIndustry: GovernmentType: Materials Testing+16 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

ADAPT Technology

Auburn Hills, MI

Engineering from Concept to Production

WebsitePhone2 offices1 projects
Service: Engineering DesignService: CAD/CAE DesignIndustry: AerospaceType: Mechanical Engineering+29 more

ADC Engineering

Hanahan, SC

ADC's Track Record Speaks for Itself

WebsitePhone3 offices17 projects
Service: Civil EngineeringService: Site PlanningIndustry: AviationType: Aviation Engineering+68 more

AE Dynamics LLC

Bozeman, MT

Your Partner for Efficient and Effective Design

WebsitePhone2 offices4 projects
Service: Structural EngineeringService: Primary Structure DesignIndustry: CommercialType: Structural Engineering+15 more

AHJ Engineers, PC

Garden City, ID

Structural Consultants

WebsitePhone1 office8 projects
Service: New BuildingsService: Existing BuildingsIndustry: CommercialType: Structural Engineering+32 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

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026
Service: Environmental ServicesService: Environmental Impact AssessmentIndustry: Land DevelopmentType: Civil Engineering+52 more

ALP Systems, Inc.

Waynesville, NC

ALP Systems, Inc. is a lightning protection engineering and installation firm in Waynesville, North Carolina, with over 30 years of experience. It provides engineering, consulting, and design services for structural lightning protection, grounding and bonding systems, and surge protection, certified by LPI Master Designers. ALP's technicians hold LPI Master Installer, LPI Journeyman Installer, and extensive OSHA safety credentials and serve commercial, residential, government, military, oil and gas, petrochemical, solar and wind energy, broadcasting, and communications sectors. It has completed projects in 43 states and internationally.

WebsitePhone1 office5 credentials
Service: Engineering, Consulting & DesignService: Site-specific EngineeringIndustry: Oil & GasType: Electrical Engineering+15 more

ALTEK Engineering

Miami, FL

Structural and MEP Engineering Specialists

WebsitePhone2 offices8 projects
Service: Structural Engineering DesignService: High-Rise Building DesignIndustry: ResidentialType: Structural Engineering+20 more

AME Consulting Engineers

Charlotte, NC

Professional Consulting Engineers

WebsitePhone1 office3 leaders
Service: Mechanical, Electrical, and Plumbing (MEP) DesignService: Central Energy Plants (CEP)Industry: FederalType: MEP+38 more

AMEL Technologies, Inc.

Honolulu, HI

Engineering Consulting & Construction Management Services

WebsitePhone1 office1 projects
Service: Mechanical EngineeringService: Energy Consulting ServicesIndustry: GovernmentType: Mechanical Engineering+28 more

AMI Aero, LLC

Renton, WA

An Aerodynamics Legacy Since 1971

WebsitePhone1 office3 projects
Service: Aerodynamic EngineeringService: Aircraft Design & ConfigurationIndustry: AerospaceType: Aerospace Engineering+30 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

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

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects
Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementIndustry: CommercialType: Automation & Controls+54 more

AVEC, Inc.

Blacksburg, VA

AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.

WebsitePhone1 officeUpdated Jun 2026
Service: Noise and Vibration EngineeringService: Noise and Vibration Analysis, Prediction, and MeasurementIndustry: AerospaceType: Acoustic Consulting+20 more