Public engineering firm directory

Find engineering consulting firms by capability and location.

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ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects4 credentialsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Heritage Academy Campus Expansion

Service: Construction EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ManufacturingIndustry: MiningType: Civil Engineering+32 more

CAT Technologies, LLC

Willoughby, OH

Turnkey Industrial Dust Collection and Vacuum Systems

WebsitePhone1 officeUpdated Jun 2026

Service detail: Air Pollution Control and Environmental Systems

Service: Air Pollution Control and Environmental SystemsService: Industrial Dust Collection SystemsService: Air Filtration and Mist EliminationIndustry: MetalsIndustry: ManufacturingType: Process Engineering+24 more

CSMI

Schaumburg, IL

Integrating innovative solutions for manufacturing clients

WebsitePhone1 office1 credentialsFounded 1983Updated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Packaging Line Integration EngineeringService: Packaging ConversionsIndustry: Food & BeverageIndustry: ManufacturingType: Process Engineering+17 more

Campbell Technical Services

Twin Falls, ID

Campbell Technical Services (CTS) is a licensed, bonded, and insured consulting and contracting firm based in Twin Falls, Idaho, providing operations improvement, energy efficiency, process engineering, and project management solutions worldwide since 2005. CTS holds state contractor licenses in Idaho, Nevada, Montana, North Dakota, Washington, and Oregon, and operates a certified panel shop accredited by Intertek ETL for C/US compliance.

WebsitePhone1 office10 credentialsFounded 2005Updated Jun 2026

Service detail: Operations Improvement Consulting

Service: Operations Improvement ConsultingService: Energy Efficiency Through Process OptimizationService: Process Improvement ConsultingIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+7 more

Citadel Engineering Company

Salt Lake City, UT

Where Precision Meets Reliability

WebsitePhone1 office15 credentialsFounded 2015Updated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Feasibility Studies and Project PlanningService: Detailed Design and AnalysisIndustry: Oil & GasIndustry: Power GenerationType: Process Engineering+53 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

Creative Engineers Inc

New Freedom, PA

Alkali metals and chemical process engineering experts

WebsitePhone1 office5 projects19 leaders1 credentialsFounded 1996

Project: SEA Wire PTFE-Coated Wire Etching System

Service: Chemical & Process EngineeringService: Conceptual and Detailed Process DesignService: Process Flow Diagrams (PFDs) & Mass and Energy Balance (M&EB)Industry: NuclearIndustry: Oil & GasType: Chemical Engineering+33 more

Crenshaw Consulting Engineers, Inc.

Raleigh, NC

Committed to Customer Satisfaction through Quality Engineering

WebsitePhone2 offices1 projects1 leadersFounded 1995Size Estimate: 44 employees

Project: The Eastern (North Hills Tower IV)

Service: Mechanical, Electrical & Plumbing EngineeringService: Mechanical DesignService: Heating, cooling, and ventilation systemsIndustry: CommercialIndustry: RetailType: MEP+66 more

DR Machinery

Anaheim, CA

Custom process equipment and industrial automation solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Custom Machinery & Process Equipment

Service: Custom Machinery & Process EquipmentService: Custom MachineryService: Automated Manufacturing SystemsIndustry: ManufacturingIndustry: IndustrialType: Automation & Controls+28 more

Economy Controls Corporation

Intelligent Flow Systems That Measure Up!

WebsiteFounded 1935Updated Jun 2026

Service detail: Fluid Transfer System Design

Service: Fluid Transfer System DesignService: Injector SystemsService: Blending SystemsIndustry: IndustrialIndustry: ChemicalsType: Process Engineering+28 more

Franklin Engineering Group Inc

Franklin, TN

Delivering trusted engineering and environmental solutions.

WebsitePhone1 office40 leadersUpdated Jun 2026

Service detail: Chemical and Process Engineering

Service: Chemical and Process EngineeringService: Chemical Process Engineering DesignService: Process EngineeringIndustry: AutomotiveIndustry: ChemicalsType: Automation & Controls+28 more

Gliasis

Piscataway, NJ

Intelligent Engineering Solution

WebsitePhone1 officeFounded 2021Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Detailed EngineeringService: Planning and Construction SupportIndustry: Power GenerationIndustry: ChemicalsType: Process Engineering+28 more

Gregory Consulting and Controls, LLC

Lafayette, LA

Service to clients through relationships

WebsitePhone1 office9 projects13 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Drilling Fluids Facility (Adelaide)

Service: Mechanical EngineeringService: Mechanical Design and AnalysisService: Specialized Product DesignIndustry: Food & BeverageIndustry: ManufacturingType: Automation & Controls+24 more

Hbw Solutions Inc

Petersburg, IN

Welcome to HBW Solutions, Inc. - Your Engineering Experts

Website1 office29 leadersFounded 2013Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Plan Views & Equipment LayoutService: Process Flow Diagrams & P&ID DevelopmentIndustry: PharmaceuticalIndustry: Food & BeverageType: Automation & Controls+37 more

I & C Systems Engineering, Inc.

Scarborough, ME

Committed to Excellence in Innovative Automation and Information Solutions

WebsitePhone1 officeSize Estimate: 1-15 employeesUpdated Jun 2026

Service detail: System Integration

Service: System IntegrationService: Process Line IntegrationService: Partial RetrofitsIndustry: WastewaterIndustry: Power GenerationType: Automation & Controls+37 more

IS International Services, LLC

Lawrenceville, GA

Service Never Sleeps

WebsitePhone1 office1 projects7 leaders2 credentialsUpdated Jun 2026

Project: Greenfield Crystal Production Facility

Service: Process Control and AutomationService: PLC, HMI, SCADA and DCS configurationService: Industrial networking protocolsIndustry: Automation & ControlsIndustry: Power GenerationType: Electrical Engineering+39 more

Industrial Design Solutions

Phoenix, AZ

The Industry Leader in Control System Engineering

WebsitePhone1 office6 credentialsFounded 2001Updated Jun 2026

Service detail: Control Engineering

Service: Control EngineeringService: Boiler Control SystemsService: Burner Management SystemsIndustry: Power GenerationIndustry: Pulp & PaperType: Automation & Controls+35 more

Larson Engineering

Appleton, WI

Build on what we know.

WebsitePhone13 offices9 projects1 credentialsFounded 1979Size Estimate: 100-500 employees

Project: Sphere at the Venetian Resort

Service: Structural EngineeringService: Building StructuresService: Structural Design Review and Peer EvaluationIndustry: AgricultureIndustry: CommercialType: Civil Engineering+46 more

LoopCalTech LLC

Engineering Tomorrow

Website1 leaders1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Instrumentation and Control Systems

Service: Instrumentation and Control SystemsService: Distributed Control Systems (DCS) design and integrationService: Process automation and SCADA systemsIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+80 more

Maida Engineering, Inc.

Philadelphia, PA

Service oriented, project driven success.

WebsitePhone2 offices1 projects1 leaders3 credentialsFounded 1978

Project: 19,000 HP Synchronous Motor Replacement

Service: Power System AnalysesService: Reliability & Load Flow StudiesService: Short Circuit Calculations & TCC Coordination StudiesIndustry: IndustrialIndustry: CommercialType: Electrical Engineering+47 more

Matrix Engineering

Paducah, KY

Engineering Excellence Since 1995

WebsitePhone1 office15 projects2 leaders1 credentialsFounded 1995

Project: 6000HP Twin Engine Towboat TUGMONITOR System

Service: Bulk Material Handling SystemsService: Pneumatic and Vacuum ConveyingService: Drum Packaging and FillingIndustry: ChemicalsIndustry: Pulp & PaperType: Automation & Controls+31 more

Mesa Associates, Inc.

Madison, AL

Engineers and Consultants

WebsitePhone18 offices2 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Service detail: Engineering & Design Services

Service: Engineering & Design ServicesService: 3D ModelingService: UAV InspectionIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+18 more

On-Board Engineering Corporation

East Windsor, NJ

Full-service EPCM partner with design-build capabilities for small to mid-sized industrial capital projects

WebsitePhone3 offices2 projects6 leaders1 credentialsFounded 1976

Project: Fortune 500 Oil and Gas Company - Long-Term EPCM Program

Service: Civil, Structural & Architectural EngineeringService: Civil & Site EngineeringService: Structural Engineering & ConsultingIndustry: IndustrialIndustry: ManufacturingType: EPC+30 more