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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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

AMP Optics LLC

Blue-Sky to Reality

Website6 publicationsFounded 2010Updated Jun 2026
Service: Optical Design and EngineeringService: Advanced Optical DesignIndustry: AerospaceType: Electrical Engineering+28 more

Advantek Engineering Inc.

Orlando, FL

Designs for Automation, Prototypes and Product Engineering

WebsitePhone1 office1 leaders
Service: Automated MachineryService: Assembly, Sorters, Pick & PlaceIndustry: Automation & ControlsType: Mechanical Engineering+32 more

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026
Service: MEP EngineeringService: Mechanical Engineering DesignIndustry: CommercialType: MEP+67 more

Bradford Consulting Engineers, Inc.

A Higher Standard of Engineering & Design

WebsiteFounded 1999Updated Jun 2026
Service: Mechanical, HVAC, and Plumbing EngineeringService: HVAC System DesignIndustry: CommercialType: MEP+30 more

CTC Design, Inc.

Santa Clara, CA

Building commissioning and retrocommissioning services

WebsitePhone1 office1 projects
Service: Building Commissioning (Cx)Service: Comprehensive Commissioning Services For New Facility Systems To Verify Design PerformanceIndustry: IndustrialType: Mechanical Engineering+6 more

Clay Allen Design

Sacramento, CA

From napkin sketches to production, delivering mechanical engineering and industrial design to bring complex products to market.

WebsitePhone1 office1 leaders
Service: Mechanical Engineering & Product DesignService: Industrial Design ServicesIndustry: AerospaceType: Mechanical Engineering+17 more

Cold Spring Engineering, LLC

Santa Barbara, CA

Engineering Services, Software, Hardware, Systems

WebsitePhone1 officeFounded 2002
Service: Engineering ServicesService: Software EngineeringIndustry: DefenseType: Aerospace Engineering+18 more

Columbia Engineering Group

Washougal, WA

Engineering Excellence with Comprehensive Full Service Solutions

WebsitePhone1 office6 projects
Service: Mechanical EngineeringService: HVAC System DesignIndustry: CommercialType: MEP+72 more

Cooper Preuit Engineers, Inc.

San Jose, CA

Mechanical and electrical engineering for buildings, industrial facilities, and process systems

WebsitePhone1 officeFounded 1986
Service: Mechanical EngineeringService: HVAC SystemsIndustry: SemiconductorsType: MEP+26 more

Cyient

Delivering Intelligent Engineering

Website4 projects3 leaders4 credentials
Service: Product EngineeringService: Digital Twin & Digital ThreadIndustry: AerospaceType: Electrical Engineering+33 more

DR Machinery

Anaheim, CA

Custom process equipment and industrial automation solutions

WebsitePhone1 officeUpdated Jun 2026
Service: Custom Machinery & Process EquipmentService: Custom MachineryIndustry: ManufacturingType: Automation & Controls+30 more

EEA Consulting Engineers

Austin, TX

Thoughtful Engineering. Shared Success.

WebsitePhone3 offices18 leaders
Service: MEP EngineeringService: Mechanical EngineeringIndustry: HealthcareType: MEP+37 more

FOMS Inc.

San Diego, CA

Manufacturing commercial products in a microgravity environment.

WebsitePhone1 officeSize Estimate: 1-5 employees
Service: Space-Based Fiber Manufacturing SystemsService: Microgravity Fiber Optic FabricationIndustry: AerospaceType: Mechanical Engineering+9 more

Gatekey Engineering Inc

Canal Winchester, OH

Solving Complex Challenges in Design, Compliance, and Litigation

WebsitePhone1 office2 projects
Service: Forensic Engineering and Fire InvestigationsService: Product Liability DefenseIndustry: SemiconductorsType: Forensic Engineering+26 more

Grey Engineering Enterprises LLC

Fort Lauderdale, FL

Engineering Excellence in Every Pipe: Where Stress Meets Expertise.

WebsitePhone1 office1 leaders
Service: Engineering Design & Stress AnalysisService: Piping Stress AnalysisIndustry: Oil & GasType: Mechanical Engineering+29 more

H10 Capital

Seattle, WA

Consultation and Engineering Services

WebsitePhone1 officeFounded 2007
Service: Mechanical EngineeringService: Assists Clients From Initial Concept To ProductionIndustry: ElectronicsType: Electrical Engineering+56 more

KAEKO Inc

Chandler, AZ

Engineering Creative Solutions

WebsitePhone1 office24 leaders
Service: Land SurveyingService: Civil EngineeringIndustry: Senior LivingType: Civil Engineering+41 more

Northwest Engineering Service, Inc.

Beaverton, OR

Northwest Engineering Service, Inc. (NWESI) is an independent third-party provider of testing, adjusting, and balancing (TAB), commissioning, retro-commissioning, and energy services for building systems. With decades of hands-on experience, NWESI ensures that facility HVAC, energy, and water systems perform as designed, offering specialized services including building envelope testing, fire smoke damper testing, cleanroom performance testing, and semiconductor tool efficiency programs across the Pacific Northwest.

WebsitePhone3 officesUpdated Jun 2026
Service: Commissioning and Retro-CommissioningService: Building CommissioningIndustry: CommercialType: Mechanical Engineering+13 more

Pegasus Design

Livermore, CA

Providing machine design services and contract manufacturing to Silicon Valley, the National Labs and beyond...

WebsitePhone1 office2 projects
Service: Mechanical Engineering DesignService: Electro-Mechanical PackagingIndustry: LaboratoriesType: Mechanical Engineering+17 more

Plant Engineering Consultants, Inc.

Colorado Springs, CO

High Fidelity Engineering

WebsitePhone1 office1 leaders
Service: Mechanical EngineeringService: HVAC SystemsIndustry: CommercialType: Electrical Engineering+64 more

Prince Engineering, Inc.

Greenville, SC

Prince Engineering, Inc. is a consulting engineering firm specializing in process, piping, and HVAC system analysis and design for industrial clients. Founded in 1998 and based in Greenville, SC, the firm serves industrial clients, construction companies, equipment manufacturers, and engineering consultants across the Southeast. Its design team carries over 140 years of combined experience in industrial process, piping, and HVAC design.

WebsitePhone1 office7 projects
Service: Process and Utility System DesignService: Jacketed Piping DesignIndustry: ManufacturingType: Mechanical Engineering+16 more

Productive Energy Solutions, LLC

Madison, WI

Optimizing Energy Efficiency, Enhancing Performance

WebsitePhone1 office4 projects
Service: Online TrainingService: Live webcast coursesIndustry: Aggregates & QuarryingType: Mechanical Engineering+18 more

Pyramid Energy Engineering Services Pllc

Albany, NY

Pyramid EES brings over three decades of expertise and experience in the built environment with a proven track record in Creativity, Innovation, Delivery, and Excellence through its founder and principal energy engineer, Mr. Khaled A. Yousef, PE. Mr. Yousef is responsible for providing technical assistance services to multiple customers for existing and new facilities during all project development phases. He has over thirty years of comprehensive building HVAC/energy systems experience in energy engineering, efficiency, audits, commissioning, measurement and verification, demand side management, and advanced biomass heating systems.

Website1 office1 leaders4 credentials
Service: Energy Engineering And EfficiencyService: Energy EngineeringIndustry: DefenseType: Emissions Control+58 more