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

18 Grados Corp

San Juan, PR

18 Grados Design is a multidisciplinary design-build architecture and engineering practice based in Puerto Rico, specializing in contemporary design and comprehensive project development. Founded in 2013, the practice delivers a diverse range of services encompassing architecture, civil and structural engineering, permitting, and construction management. It supports projects across multiple sectors, ranging from custom single-family residences to complex retail expansions and mixed-use developments. By integrating design and construction under a single collaborative framework, 18 Grados Design streamlines the execution of both small-scale renovations and large-scale commercial developments.

Website1 office6 projects3 leaders
Service: ArchitectureService: DesignIndustry: ResidentialType: Architecture & Engineering+25 more

186 Engineering, LLC

Atlanta, GA

Electrical Forensic Engineering, Infrared Inspections, and Design

WebsitePhone1 office5 projects
Service: Electrical Forensic EngineeringService: Investigation Of Electrical SystemsIndustry: CommercialType: Electrical Engineering+30 more

1CSDesign

San Diego, CA

Engineering Confidence From the Ground Up

WebsitePhone1 office1 leaders
Service: Structural DesignService: Residential and Commercial Building DesignIndustry: ResidentialType: Structural Engineering+15 more

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

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects
Service: MEP/FP Engineering DesignService: Mechanical EngineeringIndustry: EducationType: MEP+39 more

3 Consulting Engineers, LLC

Denver, CO

3 Consulting Engineers is an MEP consulting engineering firm based in Denver, Colorado, focused on commercial projects ranging from multifamily to healthcare. Celebrating over 10 years in business, the firm delivers HVAC, plumbing, and lighting designs on time and on budget. Licensed in Colorado and 34 other states, 3 Consulting Engineers serves restaurants, offices, grocery stores, hotels, retail, multifamily buildings, and surgery centers.

WebsitePhone1 office3 leaders
Service: HVAC and Plumbing SystemsService: Building automation systems (BAS) and controlsIndustry: CommercialType: MEP+19 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

360 Engineering Group

Tulsa, OK

360 Engineering Group is a structural engineering firm with offices in Tulsa and Oklahoma City, Oklahoma, Manhattan, Kansas, and Dallas, Texas, holding professional engineer licenses in 49 states and Washington D.C. Its licensed engineers deliver structural design and analysis, BIM coordination, structural evaluation and rehabilitation, shop drawing preparation, peer reviews, and expert witness services for a broad range of building types and market sectors.

WebsitePhone4 offices4 projects
Service: Structural Design and AnalysisService: Building Information ModelingIndustry: CommercialType: Structural Engineering+17 more

360 Engineering, Inc.

Golden, CO

Engineering & Consulting for the Built Environment

WebsitePhone1 office12 projects
Service: Mechanical & Plumbing EngineeringService: HVAC DesignIndustry: EducationType: Mechanical Engineering+17 more

3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects
Service: A&E ServicesService: Site Feasibility StudiesIndustry: Oil & GasType: Architecture & Engineering+32 more

3D Engineering Solutions, LLC

Cincinnati, OH

Measuring & Modeling Quality

WebsitePhone1 office2 credentials
Service: 3D Laser Scanning & DigitizingService: Short Range 3D Laser ScanningIndustry: AerospaceType: Materials Testing+30 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentials
Service: Civil EngineeringService: Grading & DrainageIndustry: Land DevelopmentType: Civil Engineering+41 more

4 Peaks Structural Engineering Group, LLC

Scottsdale, AZ

Dedicated to service, quality, and value delivered in a timely manner to meet your needs.

WebsitePhone1 officeUpdated Jun 2026
Service: Residential Home EvaluationsService: Construction Document PreparationIndustry: ResidentialType: Structural Engineering+19 more

50 States Engineering Corp.

Hackensack, NJ

Benefit from an innovative and diverse range of surveying and engineering experience.

WebsitePhone1 office7 projects
Service: Land SurveyingService: Construction layout and stakeoutIndustry: TransitType: Civil Engineering+30 more

5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects
Service: Architectural DesignService: Programming and Master PlanningIndustry: ResidentialType: Architecture & Engineering+24 more

7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects
Service: Drilling ServicesService: Rock Coring and Soil SamplingIndustry: WastewaterType: Geotechnical Engineering+21 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 Beazley Architecture LLC

Broussard, LA

A Kingdom-Minded Architecture, Interior & Product Design Firm

WebsitePhone1 office6 projects
Service: Architectural DesignService: Church & Worship ArchitectureIndustry: ReligiousType: Architecture & Engineering+47 more

A R Engineering

Milwaukee, WI

Innovative and Practical Engineering Solutions

WebsitePhone1 officeFounded 2017
Service: Structural EngineeringService: Reinforced concreteIndustry: ResidentialType: Structural Engineering+20 more

A&A Engineering

Toledo, OH

Innovative, Trusted Structural Engineering Since 1996

WebsitePhone1 office11 leaders
Service: Core StructuresService: Metal BuildingsIndustry: CommercialType: Civil Engineering+26 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