Public engineering firm directory

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120 Degreez

Los Angeles, CA

Redefining Technical Excellence

Website1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: CommercialIndustry: HospitalityType: MEP+7 more

A & S Engineers, Inc.

San Francisco, CA

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

Website1 office6 leadersUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC & Hydronic SystemsService: Energy Modeling & AnalysisIndustry: Multifamily ResidentialIndustry: Data CentersType: MEP+18 more

A3 Engineering

Los Angeles, CA

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

WebsitePhone1 office14 projects7 leadersUpdated Jun 2026

Project: Village School

Service: Mechanical EngineeringService: Tailored HVAC system designService: Energy modeling and analysisIndustry: CommercialIndustry: EducationType: MEP+23 more

ASG Solutions Corporation

San Diego, CA

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.

WebsitePhone1 office10 projects1 leadersFounded 2005Updated Jun 2026

Project: Technical Support Services for NAVFAC SE DCBL/DC 4

Service: Engineering ServicesService: Electrical EngineeringService: Engineering TechniciansIndustry: DefenseIndustry: FederalType: Defense Engineering+23 more

Anacapa Engineering and Design, Inc.

Bakersfield, CA

Transform Your Vision with Our Professional Engineering Team.

WebsitePhone1 office2 projects8 leadersFounded 2017Updated Jun 2026

Project: Springville Library

Service: Mechanical EngineeringService: System Design From Prototyping To ProductionService: Creating Reliable Configurations That Optimize PerformanceIndustry: IndustrialIndustry: Renewable EnergyType: Civil Engineering+36 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Axiom Engineering Group

Missoula, MT

Dream Bigger, Build Better

WebsitePhone4 offices5 projects1 credentialsFounded 2004Size Estimate: 11-50 employees

Project: Simms Fishing Corporate Headquarters

Service: Structural EngineeringService: Structural Designing, Planning & DraftingService: Industrial Structures Design & AnalysisIndustry: CommercialIndustry: ResidentialType: Structural Engineering+60 more

Capital Engineering Consultants, Inc.

Sacramento, CA

Bring Life to Buildings

Website5 offices11 projects5 leadersFounded 1947Updated Jun 2026

Project: California State Capitol Annex Replacement

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+24 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

ColeBreit Engineering

Bend, OR

Quality. Integrity. Expertise.

WebsitePhone6 offices1 leaders2 credentialsFounded 2013Size Estimate: 10-50 employees

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC system designService: Indoor air quality (IAQ) and advanced ventilationIndustry: EducationIndustry: HealthcareType: Fire Protection Engineering+45 more

CoolSys Energy Design

Princeton, NJ

Engineering Solutions That Power Your Bottom Line.

WebsitePhone3 offices8 projects7 leaders9 credentialsSize Estimate: 100-250 employees

Project: Atrium Palace Condominiums

Service: Mechanical and HVAC EngineeringService: Heating, Ventilation, and Air Conditioning SystemsService: Chiller and Boiler Central PlantsIndustry: CommercialIndustry: RetailType: Automation & Controls+48 more

Cooper Preuit Engineers, Inc.

San Jose, CA

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

WebsitePhone1 officeFounded 1986Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Domestic PlumbingIndustry: SemiconductorsIndustry: ManufacturingType: MEP+24 more

Cosentini Associates

New York, NY

Future-focused, cost-effective engineering solutions for building systems.

WebsitePhone12 offices6 projects16 leaders4 credentialsFounded 1952

Project: The Solaire

Service: MEP EngineeringService: Mechanical/HVAC EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Mixed-UseType: MEP+24 more

Currier & Company, Inc.

Los Angeles, CA

Reliable engineering and consulting services by experienced professionals.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Fuel Facility Design & ConstructabilityService: Aviation Fueling & Hydrant SystemsIndustry: AviationIndustry: AirportsType: Civil Engineering+37 more

Cyra Engineers, Inc.

San Diego, CA

Engineering Performance. Delivering Innovation.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Design & EngineeringService: Energy Analysis & Sustainability ConsultingIndustry: HealthcareIndustry: CommercialType: MEP+27 more

D4C Product Development Inc.

San Diego, CA

D4C Product Development is a San Diego-based engineering and product development practice that guides hardware products from concept to market. It integrates mechanical, electrical, and software engineering with industrial design, prototyping, and manufacturing support, serving consumer electronics, IoT devices, environmental technology, and public safety markets.

WebsitePhone1 office13 projectsUpdated Jun 2026

Project: Big Dipper Point of Sale

Service: Design & Research StrategyService: Product Requirements DefinitionService: Concept Development & Product ArchitectureIndustry: ElectronicsIndustry: Consumer ProductsType: Mechanical Engineering+36 more

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders3 credentialsFounded 2011Size Estimate: 1-25 employees

Service detail: Program Management

Service: Program ManagementService: Cost, schedule, performance, and risk managementService: Acquisition document preparation and complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+20 more

EDM International, Inc.

Fort Collins, CO

Reliability & Innovation Since 1982

Website4 officesFounded 1982Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Power Delivery Design & EngineeringService: Custom-Engineered Structures & FoundationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

Gayner Engineers

San Francisco, CA

Innovative mechanical, electrical, plumbing, and fire protection engineering services

WebsitePhone1 office14 projects5 leadersFounded 1941Updated Jun 2026

Project: Stanford Shriram Bioengineering and Chemical Engineering Center

Service: Mechanical EngineeringService: Electrical EngineeringService: Lighting DesignIndustry: Research FacilitiesIndustry: LaboratoriesType: Mechanical Engineering+15 more

H+W Engineering, Inc.

El Cajon, CA

We Engineer Simple Solutions

WebsitePhone1 office2 projects1 credentialsFounded 2009Size Estimate: 50+ employees

Project: Genesis Science Center

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: Multifamily ResidentialIndustry: Mixed-UseType: MEP+10 more

HRA Engineering & Energy Services

San Francisco, CA

Electrical, Mechanical & Sustainable Engineers

Website2 offices13 projects1 leadersUpdated Jun 2026

Project: UC Berkeley Hearst Gym

Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning (HVAC) SystemsService: Sanitary, Storm Drainage and DisposalIndustry: EducationIndustry: HealthcareType: MEP+55 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

InnoDez

Los Angeles, CA

Your One-Stop Shop for MEP and Structural Engineering

WebsitePhone8 offices5 projectsSize Estimate: 20-100 employeesUpdated Jun 2026

Project: MEP and Fire Protection for Triple Decker Multifamily Project

Service: Mechanical EngineeringService: Heating designService: Cooling designIndustry: CommercialIndustry: HealthcareType: Civil Engineering+72 more