Public engineering firm directory

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5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects2 leadersFounded 2009Updated Jun 2026

Project: Eastern Mirage Hotel & Medical Center

Service: Architectural DesignService: Programming and Master PlanningService: Zoning Compliance and ExpeditingIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+22 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leadersFounded 2010Updated Jun 2026

Project: Solar & Wind Interconnects

Service: Protection & ControlService: Relay ProtectionService: Relay CommunicationsIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+34 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more

Applied Engineering Services, Inc.

Ridgway, CO

We Know How

WebsitePhone3 officesFounded 1992Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Mechanical System DesignService: HVAC Systems DesignIndustry: AerospaceIndustry: NuclearType: Civil Engineering+46 more

Arseal Technologies, Inc.

Let's Engineer the Future

Website7 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural DesignService: Site Planning and DesignIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+24 more

Arup

We shape a better world

Website19 projects6 leadersUpdated Jun 2026

Project: LGA Delta Terminal C

Service: TransportationService: Airport Design and InfrastructureService: Airport PlanningIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+47 more

BayPac Consult Inc.

Oakland, CA

From Vision to Reality

Website1 office8 projectsFounded 2014Size Estimate: 1-9 employeesUpdated Jun 2026

Project: Port of Oakland Program Management Services

Service: Program ManagementService: Program Startup & Governance SupportService: Program Expenditure & Financial PlanningIndustry: Ports & HarborsIndustry: TransitType: Civil Engineering+19 more

CDS Engineering

Fenton, MO

Engineering Services for Industrial Clients

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil and Structural Engineering

Service: Civil and Structural EngineeringService: FoundationsService: Structural SteelIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+30 more

CMA Architects & Engineers LLC

Guaynabo, PR

Designing Today the Puerto Rico of Tomorrow

WebsitePhone1 office23 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Space ProgrammingService: Facilities Master PlanningIndustry: Affordable HousingIndustry: CommercialType: Architecture & Engineering+113 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

Claymore Group LLC

Daphne, AL

Multi-Discipline Engineering, Design, and Precision Fabrication

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road and Bridge DesignService: Water Systems EngineeringIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+52 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

Crow Engineering Inc.

Beaverton, OR

We build world-class facilities with design, efficiency, quality, and purpose in mind.

WebsitePhone2 offices4 leadersFounded 1968Size Estimate: 60 employeesUpdated Jun 2026

Service detail: Engineering & Design Services

Service: Engineering & Design ServicesService: Conveyor and Transfer EngineeringService: Custom Metal FabricationIndustry: IndustrialIndustry: ManufacturingType: Industrial Engineering+38 more

Currier & Company, Inc.

Los Angeles, CA

Reliable engineering and consulting services by experienced professionals.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Fuel Facility Design & ConstructabilityService: Aviation Fueling & Hydrant SystemsIndustry: AviationIndustry: AirportsType: Civil Engineering+37 more

Delta Engineers, Architects, & Surveyors

Endwell, NY

We Are Your Trusted Partner

Website5 offices3 leaders1 credentialsFounded 1976Updated Jun 2026

Service detail: Architectural and Planning Services

Service: Architectural and Planning ServicesService: Pre-Design and ProgrammingService: Master PlanningIndustry: CommercialIndustry: EducationType: Architecture & Engineering+57 more

EDF Incorporated

Riviera Beach, FL

Full Service Engineering Solutions for Engine Test Facilities

WebsitePhone1 officeFounded 1978Size Estimate: 1-50 employeesUpdated Jun 2026

Service detail: Gas Turbine and Jet Engine Test Cell Design

Service: Gas Turbine and Jet Engine Test Cell DesignService: Indoor Test Cell Design and ConstructionService: Outdoor Test Stand Design and ConstructionIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+55 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

Engineering Analytics, Inc.

Fort Collins, CO

Professional civil and environmental engineering solutions

WebsitePhone4 officesFounded 2008Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Site Civil DesignService: Structural DesignIndustry: MiningIndustry: AerospaceType: Civil Engineering+47 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

Guardian Engineering Enterprises LLC

Executing Mission Critical Design-Build Solutions for a Dynamic Future

Website1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Project Programming & PlanningService: Regulatory Compliance & SafetyIndustry: InfrastructureIndustry: Power GenerationType: Architecture & Engineering+39 more

HDR

Bellevue, WA

Designing smart to make today better and tomorrow brighter

Website1 office10 projects10 leadersSize Estimate: 14,000+ employeesUpdated Jun 2026

Project: NASA Goddard Space Flight Center Instrument Development Facility

Service: Architectural and Engineering DesignService: Lighting DesignService: Tenant ImprovementIndustry: AerospaceIndustry: SpaceType: Architecture & Engineering+59 more

IDS Group

Irvine, CA

Integrated multi-disciplinary engineering, architecture, and consulting services

WebsitePhone1 office11 projects2 leadersFounded 1998Updated Jun 2026

Project: Wadi Laban Cable-Stayed Bridge Construction Supervision

Service: ArchitectureService: Master Planning & ProgrammingService: Assessments & StudiesIndustry: GovernmentIndustry: Public SafetyType: Architecture & Engineering+81 more