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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2 Bravo Group LLC

We make sure buildings work

Website6 projectsUpdated Jun 2026
Service: Building CommissioningService: Design and submittal reviewIndustry: FederalType: MEP+20 more

20/10 Engineering Group, LLC

Sustainable Designs | Better Engineering Vision

Website9 projectsUpdated Jun 2026
Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Climate Control SystemsIndustry: EducationType: MEP+28 more

303rd Engineering Group, LLC

St. Louis, MO

Successful Partnerships, Successful Projects

WebsitePhone1 office5 projects
Service: Electrical EngineeringService: Fire Alarm SystemsIndustry: GovernmentType: MEP+20 more

360 Energy Group

Chicago, IL

Your Energy Use Simplified

WebsitePhone1 office3 projects
Service: Program Design and ImplementationService: Public Sector ProgramsIndustry: GovernmentType: Power & Utility Engineering+21 more

A&J Consulting Engineering Services, P.C.

Clifton, NJ

A&J Consulting Engineering Services, P.C. is a full-service MEP consulting engineering practice headquartered in Clifton, New Jersey. Founded in 1988 by Jay Agarwal, P.E., A&J delivers mechanical, electrical, and plumbing systems design, pharmaceutical validation and commissioning, construction administration, sustainable design, and high-technology systems consulting. Clients span the pharmaceutical, biotechnology, commercial, educational, governmental, industrial, and religious sectors across the New York-New Jersey region.

WebsitePhone1 office5 projects
Service: MEP Systems DesignService: HVACIndustry: PharmaceuticalType: MEP+42 more

A.D.A. Engineering, Inc.

Doral, FL

Applying the Latest Technology

WebsitePhone2 offices1 credentials
Service: Civil EngineeringService: Land/Site DevelopmentIndustry: WastewaterType: Civil Engineering+42 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

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentials
Service: Engineering, Consulting and DesignService: Mechanical EngineeringIndustry: CommercialType: MEP+55 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects
Service: Process EngineeringService: PFD and P&ID DevelopmentIndustry: ChemicalsType: Automation & Controls+75 more

ANRON

New York, NY

Founded in 1965, ANRON is a privately owned, full-service HVAC manufacturing, installation, and maintenance organization serving metropolitan New York, including the five boroughs of New York City and Nassau and Suffolk Counties on Long Island. Operating through specialized units ANRON Air Systems, Inc. and ANRON Mechanical Services, Inc., it provides vertically integrated sheet metal fabrication, mechanical installation, and ongoing maintenance. The organization serves premier construction managers and facility owners across diverse sectors, including commercial offices, retail centers, healthcare facilities, educational campuses, research laboratories, and correctional institutions.

Website1 office32 projects1 leaders
Service: HVAC InstallationService: Commercial and Institutional HVAC ConstructionIndustry: CommercialType: Mechanical Engineering+13 more

ATCO EnviroAir Testing Engineers, Inc.

Plano, TX

ATCO EnviroAir Testing Engineers, Inc. is a mechanical engineering firm in Plano, Texas specializing in HVAC testing, adjusting, and balancing (TAB) and building systems commissioning for the Dallas-Fort Worth metropolitan area. With more than 36 years of experience, it delivers independent engineering evaluations and certified reports that verify HVAC systems and MEP installations perform at design specifications in new and existing facilities.

WebsitePhone1 office2 credentials
Service: Testing, Adjusting, and BalancingService: Building Systems CommissioningIndustry: CommercialType: Mechanical Engineering+2 more

ATP Engineering South, P.L.

Bradenton, FL

Expertise Integrity Reliability

WebsitePhone1 office12 projects
Service: Engineering and Design ServicesService: Electrical Systems EngineeringIndustry: EducationType: MEP+18 more

AZE Engineering

Abu Dhabi, VA

Built on Precision. Trusted on Landmark Projects.

Website2 offices8 projects6 leaders
Service: Structural & Construction EngineeringService: Structural DesignIndustry: AirportsType: Architecture & Engineering+24 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publications
Service: Energy ConsultingService: Commercial Energy AuditsIndustry: CommercialType: Mechanical Engineering+29 more

Acker & Associates

Green Bay, WI

Consulting engineering, audits and analysis

WebsitePhone1 office4 projects
Service: Condensation & Moisture AnalysisService: Building Water Vapor TransmissionIndustry: Pulp & PaperType: Mechanical Engineering+25 more

Adalta Engineering Group, LLC

El Paso, TX

Designing critical infrastructure that supports life.

WebsitePhone1 office1 leaders
Service: Mechanical Systems DesignService: HVAC DesignIndustry: InfrastructureType: Mechanical Engineering+15 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

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects
Service: Transportation EngineeringService: Highway and Traffic EngineeringIndustry: TransportationType: Civil Engineering+28 more

Alban Engineering, Inc.

Hunt Valley, MD

Engineering a New MEP

WebsitePhone1 office5 projects
Service: Mechanical EngineeringService: Sustainable HVAC and Energy DesignIndustry: EducationType: MEP+15 more

All City Engineering, P.C.

New York, NY

MEP Engineering Design Services

Website2 offices2 leadersFounded 2011
Service: Mechanical EngineeringService: HVAC Design and CalculationsIndustry: ResidentialType: MEP+24 more

Allen + Shariff

Columbia, MD

Engineering Together

WebsitePhone7 offices3 projects
Service: MEP EngineeringService: Mechanical EngineeringIndustry: CommercialType: MEP+36 more

Alliant Systems

Portland, OR

Alliant Systems is an integrated mechanical engineering and construction firm headquartered in Portland, Oregon, with offices in Eugene and Bend, Oregon, and Seattle, Washington. Founded approximately 25 years ago, Alliant provides in-house mechanical systems engineering, mechanical construction, HVAC and plumbing service, building automation, and energy consulting for commercial, institutional, and light-industrial clients across Oregon and Washington. The firm is known for a true design-build process that integrates engineers, project managers, and field personnel from concept through commissioning, and all principal engineers are LEED-certified.

WebsitePhone4 offices1 leaders
Service: Mechanical Systems EngineeringService: Design-Build Mechanical EngineeringIndustry: CommercialType: MEP+13 more

Allied Corrosion Industries, Inc.

Marietta, GA

Bringing 40+ Years of Experience to Solve Your Corrosion Challenges

WebsitePhone1 office1 leaders
Service: Cathodic Protection ServicesService: Cathodic Protection DesignIndustry: Oil & GasType: Electrical Engineering+25 more

Amtech Aeronautical Limited

Medicine Hat, AB

Aeronautical Design, Defence R&D, and Industrial Automation

Website1 office5 projects2 credentials
Service: Aeronautical Engineering and CertificationService: Aircraft Modifications and Repairs DesignIndustry: AerospaceType: Aerospace Engineering+21 more