Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Filters2

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Agritech and Renewable Energy Engineering

Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationService: Controlled Environment Agriculture SystemsIndustry: Renewable EnergyIndustry: AgricultureType: Owner's Engineer+22 more

ABP Engineering

Omaha, NE

Precision in Practice

WebsitePhone1 officeUpdated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Process Design and ModelingService: Process SimulationIndustry: Biomass & BioenergyIndustry: MiningType: Structural Engineering+32 more

AGRA Industries, Inc.

Merrill, WI

Design-build general contractor, steel fabricator, and equipment manufacturer for industrial agricultural facilities.

WebsitePhone1 office1 credentialsFounded 1962Updated Jun 2026

Service detail: Design and Engineering

Service: Design and EngineeringService: EPCM and Design-Build DeliveryService: Scheduling & ProcurementIndustry: AgricultureIndustry: Food & BeverageType: Industrial Engineering+22 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ASI Industrial

Billings, MT

Build On Our Experience

Website1 office1 projectsUpdated Jun 2026

Project: KSU Grain Science Project

Service: Engineering & DesignService: Process EngineeringService: Civil Engineering & DraftingIndustry: AgricultureIndustry: IndustrialType: Process Engineering+14 more

AdvanceBio LLC

Milford, OH

Biofuels and biochemical industry consultants

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Commercial Bio-Based Process Engineering

Service: Commercial Bio-Based Process EngineeringService: General Project ConsultingService: Technical Due DiligenceIndustry: Biomass & BioenergyType: Owner's Engineer+14 more

Advanced Cryogenics, Ltd

Tavernier, FL

Optimizing CO2 Management for Sustainability and Success

WebsitePhone1 office1 leaders6 publicationsSize Estimate: 1 employeesUpdated Jun 2026

Service detail: CO2 Source Evaluation

Service: CO2 Source EvaluationService: Technical Source AssessmentService: Business Viability AnalysisIndustry: Carbon CaptureIndustry: Oil & GasType: Process Engineering+18 more

Azure Engineering LLC

Multidisciplinary Engineering for Complex Projects

WebsiteUpdated Jun 2026

Service detail: Biomass Energy System Design

Service: Biomass Energy System DesignService: 2D and 3D CAD ModelingService: Project Management and ConsultingIndustry: Biomass & BioenergyIndustry: Power GenerationType: Process Engineering+4 more

BIOFerm Energy

Madison, WI

Your Renewable Energy Partner

WebsitePhone1 office4 projectsFounded 2007Updated Jun 2026

Project: Rosendale Dairy Anaerobic Digester

Service: Anaerobic Digestion SystemsService: CSTR DigesterService: Dry Fermentation SystemIndustry: AgricultureIndustry: WastewaterType: Process Engineering+12 more

Benz Technology International, Inc.

Clarksville, OH

Quality Is Less Expensive Than Downtime

WebsitePhone1 office1 leaders1 publicationsUpdated Jun 2026

Service detail: Fluid Agitation Consulting

Service: Fluid Agitation ConsultingService: Vendor Bid EvaluationService: Reactor and Agitator DesignIndustry: Biomass & BioenergyIndustry: Food & BeverageType: Process Engineering+12 more

Bio-Process Group

West Lafayette, IN

Process Design and Improvement for Biorefinery Systems

Website1 office3 projects2 leadersFounded 1984Updated Jun 2026

Project: Orange Peel Waste Biorefinery

Service: Contract Research & DevelopmentService: Lab Scale ValidationService: Technology Scale-Up & PilotingIndustry: AgricultureIndustry: Biomass & BioenergyType: Process Engineering+18 more

Caloris Engineering, LLC

Easton, MD

Process systems engineering for evaporation, filtration, and drying.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Process Systems Engineering

Service: Process Systems EngineeringService: Evaporation and Filtration SystemsService: Drying and Compact Process LinesIndustry: Food & BeverageIndustry: Biomass & BioenergyType: Process Engineering+11 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

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

Evergreen Engineering, Inc.

Eugene, OR

Industrial engineering and field services for global clients.

WebsitePhone2 offices5 leadersFounded 1985Updated Jun 2026

Service detail: Industrial Engineering

Service: Industrial EngineeringService: Planning & FeasibilityService: Detailed Engineering & Process DesignIndustry: IndustrialIndustry: Biomass & BioenergyType: Mechanical Engineering+30 more

Fagen, Inc.

Granite Falls, MN

Where safety meets quality.

Website1 officeFounded 1988Size Estimate: 10,000 employeesUpdated Jun 2026

Service detail: Full EPC Wraps

Service: Full EPC WrapsService: General Contractor ScopeService: Self-Perform CraftsIndustry: Power GenerationIndustry: Renewable EnergyType: EPC+14 more

Fluid Quip Technologies

Cedar Rapids, IA

Agri-tech engineering and production technology.

Website1 officeUpdated Jun 2026

Service detail: Engineering and Process Optimization

Service: Engineering and Process OptimizationService: Engineering and DesignService: Process ImprovementIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: Process Engineering+11 more

Frontline BioEnergy LLC

Nevada, IA

Innovative gasification solutions for renewable energy, renewable fuels, and renewable products.

WebsitePhone1 office6 projects4 leaders3 publicationsFounded 2003

Project: CVEC Commercial Gasification System

Service: Gasification Technology Design and LicensingService: Biomass GasificationService: Refuse-Derived Fuel GasificationIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: Process Engineering+36 more

Gross & Co., LLC

Achieve Project Excellence with Gross & Co.

Website3 projects4 leadersUpdated Jun 2026

Project: Biomass to Sustainable Aviation Fuel (SAF) Feasibility Study

Service: Engineering Design and EstimatingService: Front-End Engineering Design (FEED) and detailed designService: Process Flow Diagrams (PFDs) and P&IDsIndustry: Biomass & BioenergyIndustry: Waste-to-EnergyType: Process Engineering+18 more

IAC

Industrial EPC and engineered systems.

WebsiteUpdated Jun 2026

Service detail: Industrial EPC and Turnkey Delivery

Service: Industrial EPC and Turnkey DeliveryService: Engineering and DesignService: Procurement, Fabrication, and ConstructionIndustry: IndustrialIndustry: ManufacturingType: EPC+18 more

ICM, Inc.

Separation technologies and feed products for ethanol producers.

WebsiteUpdated Jun 2026

Service detail: Milling & Fiber Separation Technologies

Service: Milling & Fiber Separation TechnologiesService: Selective Milling Technology (SMT / SMT V2)Service: Fiber Separation Technology (FST / FST Next Gen)Industry: Biomass & BioenergyIndustry: Renewable EnergyType: Process Engineering+11 more

Impulse Controls Operations and Maintenance Inc.

North Salt Lake, UT

Your Partner for Customized Automation Solutions

WebsitePhone1 officeUpdated Jun 2026

Service detail: Controls Design & Engineering

Service: Controls Design & EngineeringService: PLC ProgrammingService: Control System EvaluationIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+34 more

Isomer Project Group

Greenville, SC

Built Different. Better Results.

WebsitePhone1 office6 projects5 leadersSize Estimate: 25-45 employeesUpdated Jun 2026

Project: Anson County Landfill RNG Facility

Service: Front-End Engineering & Design (FEED)Service: FEL-1 Project FeasibilityService: FEL-2 Alternative EvaluationIndustry: Biomass & BioenergyIndustry: ChemicalsType: EPC+33 more

Jenike & Johanson

Tyngsboro, MA

Bulk Solids: Science, Engineering, and Design

WebsitePhone1 office5 publicationsUpdated Jun 2026

Service detail: Bulk Material Testing

Service: Bulk Material TestingService: Flow Properties TestingService: Segregation TestingIndustry: MiningIndustry: MetalsType: Materials Engineering+35 more