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

1200 Architectural Engineers PLLC

Alexandria, VA

Illuminating Structure and New Uses.

WebsitePhone1 officeUpdated Jun 2026
Service: Structural and Architectural EngineeringService: Historic Preservation EngineeringIndustry: ResidentialType: Structural Engineering+7 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

1836 Engineering LLC

Fort Worth, TX

Founded in Texas, by Texans.

WebsitePhone2 offices13 projects
Service: Construction Engineering & InspectionService: Contract AdministrationIndustry: Highways & RoadsType: Civil Engineering+32 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

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

29E6, LLC

Beaufort, SC

Collaborative structural engineering for architects and contractors.

WebsitePhone1 office2 projects
Service: Commercial EngineeringService: Residential Structural EngineeringIndustry: CommercialType: Structural Engineering+11 more

2IM Group, LLC

Chicago, IL

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

WebsitePhone1 office5 projects
Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more

2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders
Service: Land DevelopmentService: Site Drainage and Grading PlansIndustry: InfrastructureType: Civil Engineering+50 more

2M Associates, LLC

Dallas, TX

Best Engineering Solutions to Build Your Dreams

WebsitePhone1 office5 projects
Service: Water and Wastewater DesignService: Hydrologic/hydraulic AnalysisIndustry: Water SupplyType: Civil Engineering+59 more

2P Consultants, LLC

Round Rock, TX

We're Preparing Plans for Central Texas' Growth

WebsitePhone1 office1 leaders
Service: Site AssessmentService: Quick Site Assessment (1-page)Industry: CommercialType: Civil Engineering+20 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

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

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016
Service: Electrical EngineeringService: Power System CalculationsIndustry: UtilitiesType: Electrical Engineering+33 more

3 Rocks Engineering & Surveying

Cañon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects
Service: Civil EngineeringService: Residential and Commercial Site DevelopmentIndustry: CommercialType: Civil Engineering+30 more

3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026
Service: Civil EngineeringService: Septic System Design and TestingIndustry: ResidentialType: Civil 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 P.C.

Civil, Structural, and Construction Engineering Services

Website1 leadersFounded 2020Size Estimate: 1-9 employees
Service: Structural EngineeringService: Structural Evaluations of Existing BuildingsIndustry: CommercialType: Civil Engineering+25 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

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentials
Service: Engineering and Project ManagementService: Mechanical EngineeringIndustry: NuclearType: Environmental Engineering+33 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 Innovations, LLC

Honolulu, HI

Developing Ideas From Concept To Product

WebsitePhone1 office5 projects
Service: Product Design & EngineeringService: 3D CAD Design & VisualizationIndustry: AerospaceType: Mechanical Engineering+16 more

3Dent Technology, LLC

Houston, TX

Offshore Engineering and Consulting

WebsitePhone1 officeUpdated Jun 2026
Service: Offshore Engineering & ConsultingService: Concept & Basic DesignIndustry: Oil & GasType: Structural Engineering+7 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