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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120 Degreez

Los Angeles, CA

Redefining Technical Excellence

Website1 officeUpdated Jun 2026
Service: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialType: MEP+9 more

A & S Engineers, Inc.

San Francisco, CA

Full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm

Website1 office6 leadersUpdated Jun 2026
Service: Mechanical EngineeringService: HVAC & Hydronic SystemsIndustry: Multifamily ResidentialType: MEP+20 more

A. G. Consulting Engineering, PC

New York, NY

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.

WebsitePhone5 offices8 projects
Service: MEP EngineeringService: Mechanical and HVAC Systems DesignIndustry: TransitType: MEP+19 more

A2 Efficiency

Santa Rosa, CA

Building performance consulting, from first principles to policy.

WebsitePhone1 officeUpdated Jun 2026
Service: MEP Basis of Design & Performance ConsultingService: Early-Stage Energy & Comfort ModelingIndustry: CommercialType: MEP+20 more

A3 Engineering

Los Angeles, CA

Welcome to a whole new level of MEP commitment to your projects.

WebsitePhone1 office14 projects
Service: Mechanical EngineeringService: Tailored HVAC system designIndustry: CommercialType: MEP+25 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects
Service: ArchitectureService: Architectural Concept DesignIndustry: HealthcareType: Architecture & Engineering+50 more

AKH Structural Engineers, Inc.

San Jose, CA

AKH Structural Engineers, Inc. is a structural engineering firm founded in San Jose in 1970, providing structural design, plan check, and analysis services for institutional, commercial, municipal, educational, hospital, and residential clients throughout the greater San Francisco Bay Area. AKH has completed more than 5,500 projects since its founding, including new construction, building evaluations, seismic rehabilitation, and historic preservation work for municipalities, school districts, hospitals, and private clients.

WebsitePhone1 office7 projects
Service: Structural DesignService: Educational facilitiesIndustry: EducationType: Structural Engineering+25 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

AT Engineering Services

Long Beach, CA

AT Engineering Services is a California consulting engineering practice providing mechanical, process, oil and gas, energy, petrochemical, chemical, pharmaceutical, industrial, and power engineering services. AT Engineering Services has operated since 1993 and supports clients with technical engineering design and consulting.

WebsitePhone1 officeFounded 1993
Service: Mechanical and Plumbing EngineeringService: Process EngineeringIndustry: Oil & GasType: Mechanical Engineering+12 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993
Service: Planning and PermittingService: EntitlementsIndustry: CommercialType: Architecture & Engineering+39 more

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

WebsitePhone1 office7 projects
Service: Architecture & PlanningService: Architectural DesignIndustry: CommercialType: Architecture & Engineering+40 more

Advanced Professional Engineering Consultants

Corona, CA

Built for real world project delivery

WebsitePhone1 office5 credentials
Service: Mechanical Engineering & HVAC DesignService: HVAC System Design and Air DistributionIndustry: CommercialType: MEP+48 more

Aerospace Technical Services LLC

Boston, MA

Best-in-Class Data Science Solutions for Aerospace, Energy, and Health Systems

Website4 offices7 projects5 leaders
Service: Data ScienceService: Machine LearningIndustry: AerospaceType: Aerospace Engineering+13 more

Alan Noelle Engineering, Inc.

Santa Barbara, CA

Lighting up the California Central Coast since 2000

Website2 offices3 projects1 credentials
Service: Electrical Engineering PlansService: Lighting DesignIndustry: HealthcareType: Electrical Engineering+7 more

Allana Buick & Bers, Inc.

Palo Alto, CA

Making Buildings Perform Better

WebsitePhone1 office3 leaders
Service: Building EnvelopeService: Curtain Wall & GlazingIndustry: CommercialType: Architecture & Engineering+27 more

Alpha Omega Engineers

Corona, CA

Alpha Omega Engineers is a licensed structural engineering firm based in Corona, California, serving residential and commercial clients throughout Southern California. With over three decades of experience, Alpha Omega delivers structural inspections, lateral load calculations, and structural plans for homeowners, contractors, and developers in Corona, Riverside, Anaheim, Norwalk, and Buena Park.

WebsitePhone1 office1 leaders
Service: Structural InspectionsService: Foundation InspectionIndustry: ResidentialType: Structural Engineering+17 more

Alter Engineers

Oakland, CA

Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

WebsitePhone1 office4 projects
Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordIndustry: EducationType: Mechanical Engineering+25 more

Anacapa Engineering and Design, Inc.

Bakersfield, CA

Transform Your Vision with Our Professional Engineering Team.

WebsitePhone1 office2 projects
Service: Mechanical EngineeringService: System Design From Prototyping To ProductionIndustry: IndustrialType: Civil Engineering+38 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects
Service: EngineeringService: Civil EngineeringIndustry: Power GenerationType: Civil Engineering+48 more

Applied Power Technologies, Inc

San Jose, CA

Powering Insights, Empowering Solutions

WebsitePhone2 offices2 credentials
Service: EPMS DesignService: Requirements AnalysisIndustry: HealthcareType: Electrical Engineering+24 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects
Service: Electrical EngineeringService: Lighting Design and ModelingIndustry: WastewaterType: Automation & Controls+35 more

Argo Performance, Ltd.

San Diego, CA

Smart People Creating Smart Buildings

WebsitePhone1 office7 projects
Service: Building CommissioningService: Whole Building CommissioningIndustry: CommercialType: Automation & Controls+32 more

Ask Energy Inc

Carlsbad, CA

Building a Greener Future Together.

WebsitePhone7 offices13 leaders
Service: Energy Analysis and EngineeringService: Energy AuditsIndustry: CommercialType: Power & Utility Engineering+11 more