Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

Clark Nexsen

Raleigh, NC

Clark Nexsen is a transdisciplinary architecture and engineering practice founded in 1920, with nearly 400 employees across nine offices. It joined JMT in 2025. It provides architecture, civil, structural, mechanical, electrical, fire protection, process, and transportation engineering services to clients in education, defense, government, healthcare, commercial, and infrastructure markets across the United States.

WebsitePhone1 office5 projects1 leaders3 credentialsFounded 1920

Project: Madera Cyber Innovation Center

Service: ArchitectureService: Interior DesignService: Urban Design + PlanningIndustry: CommercialIndustry: EducationType: Architecture & Engineering+42 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 more

Denali Engineering Services LLC

Denver, CO

Bringing Innovation to Today's Technical Challenges

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Structural EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: NuclearType: Mechanical Engineering+30 more

DiClemente Siegel Design Inc.

Southfield, MI

Engineering & Architecture

WebsitePhone2 offices2 leadersFounded 1969Updated Jun 2026

Service detail: Architectural Design

Service: Architectural DesignService: Space PlanningService: Interior DesignIndustry: HealthcareIndustry: CommercialType: Architecture & Engineering+68 more

Element 29 LLC

Tampa, FL

Multidisciplinary engineering for industrial, energy, and mission-critical systems.

WebsitePhone1 office19 projects1 leaders2 credentialsUpdated Jun 2026

Project: 20.5 MGD Reverse Osmosis System

Service: Process and Chemical EngineeringService: Process flow diagrams and P&IDsService: Mass and energy balancesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+108 more

Engineerum Solutions

Houston, TX

We Innovate

Website3 officesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Structural DesignService: HydraulicsIndustry: TransportationIndustry: AutomotiveType: Automation & Controls+44 more

FourFront Design, Inc.

Rapid City, SD

Creating the built environment...for people!

WebsitePhone2 offices6 projects5 leaders3 credentialsFounded 1952

Project: Nashville National Cemetery Historic Lodge Addition and Renovation

Service: ArchitectureService: Schematic DesignService: Design DevelopmentIndustry: CommercialIndustry: RetailType: Architecture & Engineering+35 more

Frederick Ward Associates

Bel Air, MD

Listen Better. Design Better. Live Better.

WebsitePhone1 office2 projects4 leadersSize Estimate: 10-99 employeesUpdated Jun 2026

Project: Kentland Community Center

Service: Architecture and Building DesignService: Architectural DesignService: 3D Modeling and RenderingIndustry: CommercialIndustry: GovernmentType: Architecture & Engineering+20 more

Innovative Design and Engineering Solutions

Georgetown, KY

Smart solutions in system design

Website1 office5 leadersFounded 2015Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Control Systems and Automation

Service: Control Systems and AutomationService: PLC ProgrammingService: Machine Vision IntegrationIndustry: ManufacturingIndustry: IndustrialType: Automation & Controls+29 more

Johnson Construction Consulting LLC

Top Tier Architect and Engineering Construction Consulting

Website3 projects3 leadersUpdated Jun 2026

Project: Solar-Grade Silicon Facility Electrical Design

Service: Architecture & Engineering DesignService: Electrical EngineeringService: Civil & Structural EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+21 more

KAEKO Inc

Chandler, AZ

Engineering Creative Solutions

WebsitePhone1 office24 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Civil EngineeringService: Site Infrastructure & DevelopmentIndustry: Senior LivingIndustry: CommercialType: Civil Engineering+39 more

Kleinfelder

San Diego, CA

Bright People. Right Solutions.

Website1 officeFounded 1961Updated Jun 2026

Service detail: Geotechnical

Service: EnvironmentalService: GeotechnicalService: Tailings Facility DesignIndustry: AviationIndustry: CommercialType: Automation & Controls+57 more

LBE, Inc.

Moncks Corner, SC

Innovation. Integrity. Excellence.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Adaptive ReuseService: Architectural DesignIndustry: FederalIndustry: DefenseType: Architecture & Engineering+34 more

LKB Engineering PLLC

Bethpage, NY

Specialty Services - Multi-Disciplined Solutions

WebsitePhone1 office1 projects8 leadersFounded 1889Updated Jun 2026

Project: Walt Whitman Road Bridge Replacement

Service: Design & EngineeringService: Transportation EngineeringService: Civil & Site DevelopmentIndustry: GovernmentIndustry: FederalType: Civil Engineering+22 more

Phillips+Gomez

Tulsa, OK

Mechanical & Electrical Engineering, Consulting, Design

WebsitePhone1 office7 projects5 leaders3 credentialsFounded 1982

Project: Philbrook Downtown Museum

Service: Mechanical EngineeringService: Mechanical Design and AnalysisService: Plumbing Design and AnalysisIndustry: CommercialIndustry: EducationType: MEP+23 more

Pineland Engineering

Pineland, FL

Architecture & Engineering. Designed for Florida's Coast.

WebsitePhone1 office2 credentialsFounded 2020Updated Jun 2026

Service detail: Architectural Design

Service: Architectural DesignService: Luxury Residential ArchitectureService: Custom Home ArchitectureIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+23 more

Shive-Hattery

Cedar Rapids, IA

People-Centered Design, Architecture + Engineering

Website8 offices1 credentialsSize Estimate: 650 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Branded EnvironmentsService: Building EnvelopeIndustry: CommercialIndustry: HealthcareType: Architecture & Engineering+40 more

Spartan Engineering, PSC

Caguas, PR

Sound Engineering Solutions for Manufacturing and Commercial Facilities

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Mechanical and Utility Systems

Service: Mechanical and Utility SystemsService: Chilled Water SystemsService: Cooling Tower SystemsIndustry: PharmaceuticalIndustry: IndustrialType: Mechanical Engineering+42 more

Synergeer Engineering

Houston, TX

Leaders in Quality Engineering and Design

WebsitePhone1 office1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Engineering & Design

Service: Engineering & DesignService: Structural EngineeringService: Civil EngineeringIndustry: CommercialIndustry: IndustrialType: Civil Engineering+11 more

Universal Design Associates, Inc.

Ferdinand, IN

Beyond Design. Creating a Better Experience.

WebsitePhone1 office4 projects2 leaders7 credentialsFounded 1966

Project: German American Operations Center

Service: ArchitectureService: 3D RenderingsService: EngineeringIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+12 more

Waldemar S. Nelson & Co., Inc.

New Orleans, LA

Engineering is the Foundation of Civilization

WebsitePhone2 offices2 projects2 credentials2 publicationsFounded 1945

Project: Artemis II Space Mission Engineering

Service: Civil, Structural and Architectural EngineeringService: Civil Site and Infrastructure DesignService: Structural Engineering for Complex FacilitiesIndustry: Oil & GasIndustry: PetrochemicalType: Architecture & Engineering+34 more