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.

Filters2

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

ACC & Engineering

Anaheim, CA

Plans Design | Calculation Reports | Prime G.C.

Website1 office6 projects6 credentials
Service: Engineering Plans DesignService: Architectural Plans DesignIndustry: EducationType: Civil Engineering+32 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

AEPC Group, LLC

Santa Clarita, CA

We build confidence

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

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

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

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

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

Astral Engineers P.C.

Rancho Cucamonga, CA

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

WebsitePhone2 offices11 projects
Service: Mechanical EngineeringService: Air Handling Unit DesignIndustry: HealthcareType: MEP+53 more

Axiom Engineering Group

Missoula, MT

Dream Bigger, Build Better

WebsitePhone4 offices5 projects
Service: Structural EngineeringService: Structural Designing, Planning & DraftingIndustry: CommercialType: Structural Engineering+62 more

BELDEN Consulting Engineers

Pleasanton, CA

Over 50 years of expert consulting solutions

WebsitePhone1 officeSize Estimate: 11-50 employees
Service: Electrical EngineeringService: Power distributionIndustry: ResidentialType: MEP+30 more

BMA Mechanical +

San Luis Obispo, CA

Making spaces comfortable since 1989

WebsitePhone2 officesFounded 1989
Service: Mechanical EngineeringService: Plumbing EngineeringIndustry: HealthcareType: MEP+11 more

BSE Engineering, Inc.

San Diego, CA

Mechanical, Electrical, and Plumbing Engineering Consultants

WebsitePhone1 office12 projects
Service: Mechanical EngineeringService: HVAC DesignIndustry: HealthcareType: MEP+32 more

BV Engineering

San Francisco, CA

HVAC, Plumbing and Fire Protection Systems Engineering Service

WebsitePhone1 office1 leaders
Service: HVAC EngineeringService: Heating, Ventilation, and Air Conditioning SystemsIndustry: EducationType: MEP+20 more

Breen Design Group

Torrance, CA

Breen Design Group is a Torrance, California-based multi-discipline firm providing architecture, structural, civil, and MEP engineering services under one roof. Established in 2001, its integrated teams deliver coordinated design for multifamily residential communities, affordable housing, mixed-use developments, schools, and civic facilities throughout Southern California. Completed projects include the Wilshire Grand, Jordan Downs Phase 3, Rogers Middle School, and Gardenhouse Beverly Hills.

WebsitePhone1 office4 projects
Service: ArchitectureService: Structural EngineeringIndustry: Multifamily ResidentialType: Architecture & Engineering+9 more

Budlong

Glendale, CA

Budlong is a multi-disciplinary MEP engineering firm founded in 1958 and headquartered in Glendale, California. For over 65 years, Budlong has delivered mechanical, electrical, plumbing, fire protection, technology, and related engineering design services on renovation, new construction, and expansion projects across California. With offices in Glendale, Los Angeles, Camarillo, and Fremont, Budlong serves clients in healthcare, commercial, education, hospitality, industrial, multi-family residential, and public infrastructure markets, with LEED-accredited designers on staff.

Website4 offices12 leaders1 credentials
Service: Mechanical EngineeringService: InnovativeIndustry: HealthcareType: MEP+19 more

Buro Happold Consulting Engineers PC

Bath, NY

Buro Happold is a global practice of engineers, designers, and advisors committed to delivering elegant, sustainable solutions that positively impact communities and the environment. It provides integrated consulting engineering and advisory services across buildings, cities, and infrastructure, with US offices in New York, Los Angeles, Washington DC, Chicago, and Boston. Projects span aviation, urban resilience, electrification, and data infrastructure, with work including Pittsburgh International Airport and other major US and international projects.

Website6 officesUpdated Jun 2026
Service: Integrated Engineering ConsultingService: Aviation EngineeringIndustry: AirportsType: Civil Engineering+10 more

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders
Service: Consulting EngineeringService: Mechanical EngineeringIndustry: ManufacturingType: MEP+32 more