Public engineering firm directory

Find engineering consulting firms by capability and location.

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1350 Design, LLC

Show Low, AZ

Details Are Important. Innovate Past Expectation.

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: NEBIS (Neural Edge Based Intelligence System)

Service: Edge-Based Autonomy & Kill-Web IntegrationService: Distributed AutonomyService: Manned-Unmanned Teaming (MUM-T)Industry: DefenseIndustry: AerospaceType: Defense Engineering+6 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 leadersFounded 2013Updated Jun 2026

Project: Mirador

Service: ArchitectureService: DesignService: Conceptual DesignIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+23 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

2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders4 credentialsFounded 1979Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Site Drainage and Grading PlansService: Stormwater Pollution Prevention PlansIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+48 more

2P Consultants, LLC

Round Rock, TX

We're Preparing Plans for Central Texas' Growth

WebsitePhone1 office1 leadersFounded 2017Updated Jun 2026

Service detail: Site Assessment

Service: Site AssessmentService: Quick Site Assessment (1-page)Service: Detailed Site Assessment (75+ page report with exhibits)Industry: CommercialIndustry: RetailType: Civil Engineering+18 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 leadersUpdated Jun 2026

Service detail: HVAC and Plumbing Systems

Service: HVAC and Plumbing SystemsService: Building automation systems (BAS) and controlsService: Radiant heating and cooling systemsIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+17 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

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

3D Design & Engineering

Houston, TX

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

WebsitePhone1 office4 projects2 leaders3 credentialsUpdated Jun 2026

Project: Superbowl LI Cellular Network Modifications

Service: A&E ServicesService: Site Feasibility StudiesService: Erosion and Sediment Control PlanningIndustry: Oil & GasIndustry: TelecommunicationsType: Architecture & Engineering+30 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

3Dent Technology, LLC

Houston, TX

Offshore Engineering and Consulting

WebsitePhone1 officeUpdated Jun 2026

Service detail: Offshore Engineering & Consulting

Service: Offshore Engineering & ConsultingService: Concept & Basic DesignService: Simulation EngineeringIndustry: Oil & GasIndustry: MarineType: Structural Engineering+5 more

3jk Engineering Consultants Llc

Espanola, NM

Solving demanding technical problems through engineering, analysis, prototyping, and testing.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Custom Equipment Engineering and DesignService: Tooling, Jigs, and FixturesIndustry: Oil & GasIndustry: AerospaceType: Acoustic Consulting+30 more

406 Engineering Inc

Kalispell, MT

Work Hard | Work Smart | Enjoy Life

WebsitePhone2 offices18 leadersFounded 2018Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Provides Comprehensive Civil Engineering DesignService: Focusing On Individual Rural SystemsIndustry: Land DevelopmentType: Civil Engineering+11 more

4D Tech Solutions, LLC

Fairmont, WV

Mission-Driven Design and Development

WebsitePhone1 office5 projects5 leadersFounded 2013Updated Jun 2026

Project: RedTail LiDAR System

Service: Technology DevelopmentService: MEMS-Mirror LiDAR SystemsService: Innovative Sensor SolutionsIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+19 more

4site Advisors Inc

We get it: Your vision. Your values. Results.

Website9 projectsUpdated Jun 2026

Project: Guard & Grace

Service: Owner's RepresentationService: Communication ManagementService: Risk Assessment & Mitigation PlanningIndustry: CommercialIndustry: RetailType: Owner's Engineer+26 more

5 Smooth Stones Restoration

Specialists in applied fluvial geomorphology and stream restoration

Website7 projects3 leadersFounded 2015Updated Jun 2026

Project: Riverby Ranch Mitigation Site

Service: Geomorphic Assessment and Stream Restoration DesignService: Watershed Assessment and Gage AnalysisService: Geomorphic Survey of Fluvial SystemsIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+15 more

5FOLD Engineering

Seminole, FL

Precision Unfolded. Mission Ready.

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: VLS Trailer System (Missile Handling Solution)

Service: Design EngineeringService: Design for Manufacturing & SustainabilityService: Structures and MaterialsIndustry: DefenseIndustry: AerospaceType: Mechanical Engineering+32 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

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 Beazley Architecture LLC

Broussard, LA

A Kingdom-Minded Architecture, Interior & Product Design Firm

WebsitePhone1 office6 projects4 leaders2 credentialsFounded 2023

Project: Lafayette Animal Shelter and Care Center

Service: Architectural DesignService: Church & Worship ArchitectureService: Sanctuary and Auditorium DesignIndustry: ReligiousIndustry: Veterinary & Animal CareType: Architecture & Engineering+45 more

A R Engineering

Milwaukee, WI

Innovative and Practical Engineering Solutions

WebsitePhone1 officeFounded 2017Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Reinforced concreteService: Steel and composite steelIndustry: ResidentialIndustry: CommercialType: Structural Engineering+18 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+22 more