Public engineering firm directory

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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

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

Apex PetroConsultants LLC

Where Deep Ethylene Expertise Meets Strategic Decision-Making

Website7 projects1 leaders2 publicationsSize Estimate: 1-9 employeesUpdated Jun 2026

Project: 10% CAPEX Reduction for Integrated Mixed-Feed Complexes

Service: Project Development and Execution OversightService: Independent Technology SelectionService: FEED and Detailed Engineering ReviewIndustry: PetrochemicalIndustry: ChemicalsType: Chemical Engineering+20 more

Aura Engineering, LLC

Pearland, TX

A Leading Innovator in Engineering and Design Services

WebsitePhone1 office5 projects2 leaders1 credentials11 publications

Project: Hayti, MO - Railcar to Marine Transfer Facility

Service: Storage Terminal EngineeringService: Storage and Transfer Facility DesignService: Project Feasibility StudiesIndustry: PetrochemicalIndustry: ChemicalsType: Automation & Controls+36 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

Bridge Gap Engineering LLC

Expertise you can rely on. Partnership you can trust.

Website1 leadersFounded 2009Size Estimate: 50-249 employeesUpdated Jun 2026

Service detail: Process and Commissioning Services

Service: Process and Commissioning ServicesService: Mass and Heat Balance AuditsService: Commissioning and StartupIndustry: MiningIndustry: Aggregates & QuarryingType: Owner's Engineer+19 more

CIX, Inc.

Oriental, NC

Continuous Improvement Experts

Website1 office12 projects4 leadersUpdated Jun 2026

Project: Process Improvement and Training for Asian Steelmaker

Service: Strategic PlanningService: New Product MarketsService: Equipment SelectionIndustry: MetalsIndustry: ManufacturingType: Industrial Engineering+51 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

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

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

FMF Engineering Inc.

FMF Engineering Inc. is a registered engineering and consulting practice based in Texas that provides services to clients domestically and internationally. Specializing in the design of mechanical piping systems for process fluid catalytic cracking units (FCCUs), it focuses on large-diameter, high-temperature piping and ducting, particularly for power generation (PRT power recovery trains) and flue gas expanders. The practice designs, engineers, and manages construction for processing facilities and infrastructure within the upstream oil and gas, refining, chemical, petrochemical, power, and pipeline sectors.

Website2 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Front End EngineeringService: Detailed Piping, Civil, and Structural DesignIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+19 more

Farnham & Associates, Inc.

Clarks Summit, PA

Water and Wastewater Specialists, North East Pennsylvania

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Drinking Water Analysis

Service: Drinking Water AnalysisService: Predrill baseline analysisService: Water quality analysis, modeling, and predictive studiesIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+92 more

Grand Isle Shipyard

Galliano, LA

Pioneering Energy Excellence

WebsitePhone1 office7 projects2 credentialsFounded 1948Size Estimate: 3,200 employees

Project: Hurricane Ida Recovery

Service: Engineering & SurveyService: Civil Engineering & DesignService: Surveying & GeospatialIndustry: Oil & GasIndustry: PetrochemicalType: EPC+35 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

KBD Engineering

Expert engineering services in mechanical, electrical, plumbing, structural, and process design

Website2 leadersFounded 1989Updated Jun 2026

Service detail: Mechanical, Electrical, and Plumbing Engineering

Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC Design and TroubleshootingService: Electrical Power DistributionIndustry: CommercialIndustry: EducationType: MEP+38 more

Katin Engineering Consulting

Environmental, process, and safety engineering consulting

Website6 projectsUpdated Jun 2026

Project: NuStar Selby Marine Oil Terminal Lease Renewal

Service: Environmental ConsultingService: Permitting & ComplianceService: Remediation Systems DesignIndustry: Environmental & RemediationIndustry: IndustrialType: Chemical Engineering+32 more

MEGI Engineering Inc.

Lake Oswego, OR

Your Partner in Excellence

WebsitePhone1 office9 projects6 leadersUpdated Jun 2026

Project: Linerboard Machine Rebuild

Service: EngineeringService: Concept DevelopmentService: Full-Service Engineering DesignIndustry: Pulp & PaperIndustry: ChemicalsType: Process Engineering+43 more

N Hunt Moore & Associates, Inc.

Oilseed processing engineering and equipment specialists driving innovation and excellence

Website4 projects4 leaders4 credentialsFounded 1951Updated Jun 2026

Project: Incobrasa Industries Soybean Solvent Extraction Plant

Service: Engineering & DesignService: Process DesignService: Detailed Engineering and Design (DED)Industry: AgricultureIndustry: Food & BeverageType: Process Engineering+11 more

Nelson Baker Biotech

Innovation. Engineering. Construction.

Website4 projectsUpdated Jun 2026

Project: Truck to Rail Ethanol Transload Facility

Service: Greenfield Plant DesignService: Process Scale-UpService: Retrofits and UpgradesIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: EPC+26 more

Nexus Refrigeration

Norfolk, VA

Seamless safety and design for industrial refrigeration.

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Industrial Refrigeration Engineering

Service: Industrial Refrigeration EngineeringService: Engineering Project DesignService: Professional Engineering ServicesIndustry: Food & BeverageIndustry: Freight & LogisticsType: Mechanical Engineering+19 more

Norton Engineering Consultants, Inc.

Fairfield, NJ

The right expertise at the right time, every time

WebsitePhone2 offices6 projects1 leadersFounded 1993Size Estimate: 1-25 employees

Project: FCC CO Boiler Reconditioning

Service: Refining Process EngineeringService: Alkylation (Sulfuric and HF)Service: Crude and Vacuum DistillationIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+44 more

Petron Scientech Inc.

Princeton, NJ

Clean technology for a greener future.

WebsitePhone1 office8 leadersUpdated Jun 2026

Service detail: Licensing and Technology Transfer

Service: Licensing and Technology TransferService: Basic Engineering Design PackageService: EPC and PMC ManagementIndustry: Renewable EnergyIndustry: Biomass & BioenergyType: Chemical Engineering+13 more

Portland Engineering, Inc.

Portland, OR

Precision. Excellence. Innovation.

WebsitePhone1 office6 projects7 credentialsFounded 1992Size Estimate: 10-50 employees

Project: Modernizing a Water Utility's Control Systems for Expanded Capacity

Service: Control System Engineering & IntegrationService: PLC/HMI programmingService: SCADA development & virtualizationIndustry: UtilitiesIndustry: Water SupplyType: Automation & Controls+39 more