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

186 Engineering, LLC

Atlanta, GA

Electrical Forensic Engineering, Infrared Inspections, and Design

WebsitePhone1 office5 projects1 leaders5 credentialsUpdated Jun 2026

Project: Washington Harbour Flood Electrical Damage Assessment

Service: Electrical Forensic EngineeringService: Investigation Of Electrical SystemsService: ComponentsIndustry: CommercialIndustry: IndustrialType: Electrical Engineering+28 more

20/10 Engineering Group, LLC

Sustainable Designs | Better Engineering Vision

Website9 projectsUpdated Jun 2026

Project: Trinity International University - New Waybright Student Center

Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Climate Control SystemsService: Plumbing and Process Piping DesignIndustry: EducationIndustry: HealthcareType: MEP+26 more

28 Gorilla Engineering

Chandler, AZ

Ruggedized product engineering for the field and the future.

WebsitePhone1 office8 projects2 leaders1 credentialsFounded 2017

Project: JASC Pressure Regulating Controller

Service: Mechanical Engineering DesignService: Assembly-aware mechanical designService: CNC and machined part designIndustry: DefenseIndustry: AerospaceType: Defense Engineering+49 more

29E6, LLC

Beaufort, SC

Collaborative structural engineering for architects and contractors.

WebsitePhone1 office2 projectsFounded 2017Size Estimate: 1-9 employeesUpdated Jun 2026

Project: Hilton Head Island Recreation Center Enhancement & Expansion

Service: Commercial EngineeringService: Residential Structural EngineeringService: Industrial New ConstructionIndustry: CommercialIndustry: ResidentialType: Structural Engineering+9 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects6 leaders32 credentialsFounded 1985

Project: JMU Carrier Library Renovation, Restoration, and Expansion

Service: MEP/FP Engineering DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: GovernmentType: MEP+37 more

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

3 Rocks Engineering & Surveying

Cañon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic System Design and TestingService: Road Design and InspectionIndustry: ResidentialIndustry: CommercialType: Civil Engineering+19 more

316 Product Development, LLC

Passionate and Creative

Website6 projects6 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Vacuum Assisted Breast Biopsy Device

Service: Mechanical EngineeringService: Advanced Computer Aided Design (CAD)Service: Finite Element Analysis (FEA) and SimulationIndustry: Medical DevicesIndustry: Consumer ProductsType: Mechanical Engineering+34 more

333 Engineering Services PLLC

Porter, TX

333 Engineering Services PLLC provides specialized consulting mechanical engineering services to clients primarily in the Houston, Texas region. It delivers finite element analysis and structural assessment solutions to support complex industrial and manufacturing design requirements.

Website1 office1 leaders2 credentialsUpdated Jun 2026

Service detail: Mechanical Engineering Consulting

Service: Mechanical Engineering ConsultingService: Finite Element AnalysisService: Analysis Program SetupIndustry: ManufacturingIndustry: IndustrialType: Mechanical Engineering+2 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 projects6 leadersUpdated Jun 2026

Project: Block 34

Service: Structural Design and AnalysisService: Building Information ModelingService: Structural Evaluation and RehabilitationIndustry: CommercialIndustry: RetailType: Structural Engineering+15 more

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Engineering and Project Management

Service: Engineering and Project ManagementService: Mechanical EngineeringService: Electrical EngineeringIndustry: NuclearIndustry: Environmental & RemediationType: Environmental Engineering+31 more

3D Engineering Solutions, LLC

Cincinnati, OH

Measuring & Modeling Quality

WebsitePhone1 office2 credentialsFounded 2007Updated Jun 2026

Service detail: 3D Laser Scanning & Digitizing

Service: 3D Laser Scanning & DigitizingService: Short Range 3D Laser ScanningService: Long Range Laser ScanningIndustry: AerospaceIndustry: AutomotiveType: Materials Testing+28 more

3D Innovations, LLC

Honolulu, HI

Developing Ideas From Concept To Product

WebsitePhone1 office5 projectsFounded 2007Updated Jun 2026

Project: The BabyToon Silicone Baby Spoon

Service: Product Design & EngineeringService: 3D CAD Design & VisualizationService: 3D EngineeringIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+14 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

4D Systems

Flint, MI

The future of manufacturing is digital. Are you ready?

WebsitePhone3 offices5 credentialsFounded 2010Updated Jun 2026

Service detail: Controls Engineering

Service: Controls EngineeringService: Control System IntegrationService: Manufacturing Controls SupportIndustry: ManufacturingIndustry: AutomotiveType: Automation & Controls+23 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Due Diligence and Feasibility StudiesService: Entitlement and Conceptual DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+24 more

7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects1 leaders4 credentialsFounded 2008

Project: Gordie Howe International Bridge

Service: Drilling ServicesService: Rock Coring and Soil SamplingService: Hydraulic Conductivity TestingIndustry: WastewaterIndustry: Water SupplyType: Geotechnical Engineering+19 more

907 Architecture LLC

Palmer, AK

Straight-forward realist architecture and highly integrated client services.

WebsitePhone1 office1 leaders1 credentialsFounded 2015Updated Jun 2026

Service detail: Architectural Design Services

Service: Architectural Design ServicesService: ProgrammingService: Feasibility StudiesIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+23 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

A Civil Group, LLC

Columbia, MO

Civil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri

WebsitePhone1 office7 projects2 leadersUpdated Jun 2026

Project: Vineyards Plat 6

Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesService: Road and Pavement DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+41 more

A Squared Plus Engineering Support Group, LLC

Finksburg, MD

A Squared Plus Engineering Support Group, LLC (A2+ESG) is an engineering practice that specializes in mechanical, electrical, plumbing, and information transportation system design. It delivers planning, engineering support, system analysis, and inspections for commercial, residential, industrial, and institutional facilities, including specialized experience in public safety and correctional environments.

WebsitePhone1 office11 projects2 leadersUpdated Jun 2026

Project: Corola EMS Paramedic - Station 1

Service: MEP DesignService: Sustainable DesignService: HVAC DesignIndustry: ResidentialIndustry: CommercialType: MEP+25 more

A&A Engineering

Toledo, OH

Innovative, Trusted Structural Engineering Since 1996

WebsitePhone1 office11 leadersFounded 1996Updated Jun 2026

Service detail: Core Structures

Service: Core StructuresService: Metal BuildingsService: Greenhouses & SunshadesIndustry: CommercialIndustry: RetailType: Civil Engineering+24 more