Public engineering firm directory

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AQUA Engineering

Bountiful, UT

Innovative Engineering Solutions

WebsitePhone3 offices6 projects59 leadersFounded 1992Updated Jun 2026

Project: Town of Johnstown Central Water Reclamation and Resource Recovery Facility Expansion

Service: Water EngineeringService: Wastewater EngineeringService: Designs Advanced Wastewater Treatment FacilitiesIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+16 more

Bridgestone Associates, Ltd.

Chadds Ford, PA

A Boutique Energy Consulting Firm

WebsitePhone1 office1 leadersFounded 1991Updated Jun 2026

Service detail: Energy Consulting & Advisory

Service: Energy Consulting & AdvisoryService: Energy Facility Feasibility EvaluationsService: Energy and Infrastructure Investment Due DiligenceIndustry: Power GenerationIndustry: Renewable EnergyType: Power & Utility Engineering+38 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

EDM Services, Inc.

Simi Valley, CA

Exceptional Service is all we Sell

WebsitePhone1 office4 projects3 leadersFounded 1990Updated Jun 2026

Project: SoCalGas Senate Bill 1383 Dairy Biomethane Project (South Tulare)

Service: Pipeline EngineeringService: Pipeline Engineering and DesignService: Structural EngineeringIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+39 more

EMC Engineers / Scientists, LLC

Jacksonville, OR

Dedicated to finding the best solutions

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Agricultural Design

Service: Agricultural DesignService: Irrigation system designService: Fish screeningIndustry: AgricultureIndustry: MarineType: Civil Engineering+21 more

EnerconAmerica Inc

Chicago, IL

In Pursuit of Clean Energy

Website1 officeUpdated Jun 2026

Service detail: Plant Engineering and Design

Service: Plant Engineering and DesignService: Conceptual Design and Site SelectionService: Process and Instrumentation EngineeringIndustry: Power GenerationIndustry: Power Transmission & DistributionType: EPC+24 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

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

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

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

Motus Group Inc

Denver, CO

Engineering Effective Solutions for Heavy Industrial Projects

WebsitePhone1 office8 leaders1 credentialsFounded 2016Updated Jun 2026

Service detail: Equipment and Process Solutions

Service: Equipment and Process SolutionsService: Emissions Compliance SystemsService: Bulk Material HandlingIndustry: Power GenerationIndustry: Waste-to-EnergyType: Automation & Controls+17 more

O'Donnell Consulting Engineers, Inc.

Bethel Park, PA

Design, Analysis, Troubleshooting & Forensic Engineering

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Engineering Design and Analysis

Service: Engineering Design and AnalysisService: Finite Element Analysis (FEA)Service: Vibration & Fatigue AnalysisIndustry: ManufacturingIndustry: IndustrialType: Mechanical Engineering+27 more

PegasusTSI, Inc.

Tampa, FL

Global Engineering, Procurement and Construction Management Solutions

WebsitePhone1 office6 projectsFounded 1998Updated Jun 2026

Project: Optimal Group Malaysia Incinerator Compliance & Reliability

Service: Front End Loading & Conceptual EngineeringService: Scope DefinitionService: Cost Basis DevelopmentIndustry: PetrochemicalIndustry: ChemicalsType: Process Engineering+14 more

Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leadersFounded 1986Updated Jun 2026

Project: Ash Classification System EPCM

Service: EngineeringService: Mechanical EngineeringService: Structural & Civil EngineeringIndustry: Aggregates & QuarryingIndustry: AgricultureType: Civil Engineering+29 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

Reaction Engineering International

Midvale, UT

Committed Individuals Solving Challenging Problems

WebsitePhone1 office3 projectsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Advanced Life Support Fluidized Bed Combustor

Service: CFD ModelingService: Proprietary CFD SimulationService: Commercial CFD Tool IntegrationIndustry: Power GenerationIndustry: PetrochemicalType: Chemical Engineering+45 more

Reax Engineering Inc.

Berkeley, CA

Fire Experts

WebsitePhone1 office5 leadersUpdated Jun 2026

Service detail: Building and Fire Code Consulting

Service: Building and Fire Code ConsultingService: Code Consulting / Peer ReviewService: Design of Smoke Control SystemsIndustry: CommercialIndustry: IndustrialType: Fire Protection Engineering+18 more

RoMed Intl

Cali

Engineering consulting solutions for mechanical, environmental, and drafting projects

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Initial EvaluationService: ConceptualIndustry: IndustrialIndustry: Environmental & RemediationType: Mechanical Engineering+19 more

Seidel Research and Development Company, LLC

Columbia, MO

Seidel Research and Development Company, LLC (SRADCO) is an energy and environmental engineering firm based in Columbia, Missouri, founded in 1991 by David L. Seidel, P.E. SRADCO provides energy conservation consulting, renewable energy engineering, waste-to-energy feasibility and design, environmental permitting, and pollution prevention services to residential, commercial, industrial, and government clients locally, nationally, and internationally. The firm holds a patent on a three-stage gasification system for converting carbon waste materials into value-added energy products.

Website1 office1 leaders3 credentialsFounded 1991Updated Jun 2026

Service detail: Energy Services

Service: Energy ServicesService: Energy ConsultationsService: Energy Consumption & Cost EvaluationIndustry: IndustrialIndustry: GovernmentType: Environmental Engineering+18 more

Sterling Environmental Engineering, P.C.

Latham, NY

Serving our Clients and the Environment Since 1993

WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026

Project: Northeastern Biochar Solutions Facility

Service: Environmental Site AssessmentService: Stormwater Pollution PreventionService: Underground Storage Tank ServicesIndustry: Environmental & RemediationIndustry: IndustrialType: Environmental Engineering+5 more

Sustainable Development Group, LLC

Incline Village, NV

Doing Well, While Doing Good

WebsitePhone1 office7 leadersUpdated Jun 2026

Service detail: Climate Change Solutions

Service: Climate Change SolutionsService: SDG - AgricultureService: SDG - EVIndustry: Renewable EnergyIndustry: Power GenerationType: Emissions Control+12 more

Thermal Engineering Group, Inc.

Hendersonville, TN

Independent Consulting and Design Organization

WebsitePhone1 office9 projects3 leaders3 credentialsUpdated Jun 2026

Project: Nashville District Energy System Contract Administration

Service: Engineering and Design ServicesService: Central Plant Design and EngineeringService: Piping System Stress and Network Hydraulic AnalysisIndustry: Power GenerationIndustry: UtilitiesType: Power & Utility Engineering+22 more

Venture Engineering & Construction, Inc.

Warrendale, PA

Sustainable Engineering Solutions for the Biogas and Process Industries

WebsitePhone1 office12 leadersFounded 2007Updated Jun 2026

Service detail: Process Engineering

Service: Process EngineeringService: Biogas Conditioning & TreatmentService: Brine Recycling & CrystallizationIndustry: Biomass & BioenergyIndustry: Waste-to-EnergyType: Process Engineering+25 more