Public engineering firm directory

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AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects1 credentialsFounded 1995Updated Jun 2026

Project: Windmill Farm Initial Planning Study

Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentService: Phase III Environmental AssessmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+34 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026

Project: Minnesota Zoo Treetop Trail

Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 more

Ayres Associates Inc.

Ingenuity, Integrity, and Intelligence.

Website18 projectsUpdated Jun 2026

Project: Bent Tree Wind Farm

Service: Civil + Municipal EngineeringService: Roadway DesignService: Structural Design & InspectionIndustry: GovernmentIndustry: EducationType: Civil Engineering+29 more

Bartlett & West

Topeka, KS

Forward, Together

WebsitePhone1 office12 projectsFounded 1951Size Estimate: 200-500 employeesUpdated Jun 2026

Project: Missouri DOT Climbing Lane Design

Service: Transportation EngineeringService: Roadway and Highway DesignService: Climbing Lane and Intersection DesignIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+67 more

EcoStrategies Engineering & Surveying

Falconer, NY

Civil engineering, environmental consulting, and professional land surveying services

WebsitePhone2 offices2 leaders2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Subdivision DesignService: Site Grading and Drainage PlansIndustry: Aggregates & QuarryingIndustry: Biomass & BioenergyType: Civil Engineering+40 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

FC&E Engineering, LLC

Brandon, MS

Engineered Solutions to Environmental Challenges

WebsitePhone1 office17 leaders4 credentialsFounded 2004Updated Jun 2026

Service detail: Environmental Permitting and Compliance

Service: Environmental Permitting and ComplianceService: Turnkey Environmental PermittingService: Environmental Compliance AuditsIndustry: AgricultureIndustry: AerospaceType: Civil Engineering+43 more

Forcier Consulting Engineers, PC

Colchester, VT

Renewable Energy and Composting Systems Experts

WebsitePhone1 office1 projects1 leadersUpdated Jun 2026

Project: Westminster Farms Anaerobic Digester Upgrade

Service: Consulting ServicesService: StudiesService: Feasibility StudiesIndustry: Renewable EnergyIndustry: Biomass & BioenergyType: Civil Engineering+30 more

Life Cycle Associates, LLC

Portola Valley, CA

Engineering a Low Carbon Future

WebsitePhone1 office1 leaders2 publicationsUpdated Jun 2026

Service detail: Fuel Life Cycle Analysis

Service: Fuel Life Cycle AnalysisService: Carbon intensity modeling for fuel pathwaysService: Well-to-wheel analysisIndustry: Biomass & BioenergyIndustry: Renewable EnergyType: Environmental Engineering+18 more

Merjent, Inc.

Minneapolis, MN

Engineering, environmental, field, and restoration services.

WebsitePhone3 offices4 leadersFounded 2004Size Estimate: 300+ employeesUpdated Jun 2026

Service detail: Environmental Permitting and Compliance

Service: Environmental Permitting and ComplianceService: Regulatory Permitting and ApprovalsService: Ongoing Compliance MonitoringIndustry: Oil & GasIndustry: Power GenerationType: Environmental Engineering+26 more

Nestec

Pen Argyl, PA

Smart Solutions for Clean Air

WebsitePhone1 office3 projects1 publicationsUpdated Jun 2026

Project: Georgia Biomass - EPA Title V Permit Violation Resolution

Service: Air Pollution Control SystemsService: Regenerative Thermal Oxidizers (RTOs)Service: Regenerative Catalytic Oxidizers (RCOs)Industry: Wood ProductsIndustry: Pulp & PaperType: Environmental Engineering+15 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

Ogden Engineering & Associates

Ogden Engineering & Associates, LLC is a chemical and environmental engineering firm founded in 1999 and registered in Arizona. Ogden Engineering & Associates assists clients with all facets of their operations from feasibility studies and permitting through final design, startup, and expansion, specializing in technology development, environmental remediation, and fuel and propulsion system development. Ogden Engineering serves defense, aerospace, energy, environmental, and biodiesel/biofuels industries through multidisciplinary team formation.

Website2 leadersFounded 1999Updated Jun 2026

Service detail: Process Design & Development

Service: Process Design & DevelopmentService: Equipment Specification & ProcurementService: Prototype Design & ManufacturingIndustry: DefenseIndustry: AerospaceType: Chemical Engineering+14 more

PENN PRO Engineering

Lakeland, FL

PENN PRO Engineering is a full-service technical engineering firm based in Lakeland, Florida, founded in 1992 by M. Wayne Pennewell. PENN PRO specializes in process, mechanical, electrical, and environmental engineering for the phosphate, biofuels, petroleum terminal, and mining sectors. The firm has completed thousands of projects ranging from process evaluations and EPCM efforts to detailed engineering, procurement, and construction management, serving major producers and midstream companies across the United States.

WebsitePhone1 office1 leadersFounded 1992Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: EnvironmentalService: Design and DraftingIndustry: MiningIndustry: Biomass & BioenergyType: Process Engineering+12 more

PF Engineers LLC

Independent Engineering for Tomorrow's Energy Projects

Website1 leadersFounded 2012Updated Jun 2026

Service detail: Project Development and Technology Review

Service: Project Development and Technology ReviewService: Technical Due DiligenceService: Technology AssessmentIndustry: Biomass & BioenergyIndustry: Power GenerationType: Design-Build+37 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

R C Costello Assoc Inc

Redondo Beach, CA

Professional Chemical Engineering Design & Process Solutions

WebsitePhone1 office3 publicationsUpdated Jun 2026

Service detail: Chemical Process and Plant Design

Service: Chemical Process and Plant DesignService: Chemical Process DesignService: Biofuels Plant DesignIndustry: Biomass & BioenergyIndustry: ChemicalsType: Chemical Engineering+49 more

RTP Environmental Associates, Inc.

Westbury, NY

Full-service environmental consulting for complex technical and regulatory challenges.

Website1 office3 credentialsUpdated Jun 2026

Service detail: Air Permitting and Compliance

Service: Air Permitting and ComplianceService: Title V and PSD PermittingService: Compliance Audits and ProgramsIndustry: Environmental & RemediationIndustry: Emissions ControlType: Environmental Engineering+19 more

Trimeric Corporation

Process engineering, chemical engineering, and technical research services.

Website2 projects2 leaders1 credentials5 publicationsFounded 2003Updated Jun 2026

Project: Illinois Basin - Decatur Project

Service: Process & Chemical EngineeringService: Process Modeling and SimulationService: Process Troubleshooting and OptimizationIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+26 more

VITOK Engineers

Louisville, KY

Your integrated Engineering Solution

WebsitePhone1 office9 projects2 credentials1 publicationsFounded 1967

Project: Heaven Hill Distillery Process and Automation Expansions

Service: Process and Chemical EngineeringService: Process Design and OptimizationService: Process EngineeringIndustry: AgricultureIndustry: Biomass & BioenergyType: Automation & Controls+30 more

Wilson Engineering Services, PC

Meadville, PA

Energy. Environment. Enterprise.

WebsitePhone2 offices5 projectsUpdated Jun 2026

Project: Crawford Central Biomass CHP District Energy Project

Service: Decarbonization Planning & ImplementationService: Thermal Energy DecarbonizationService: Alternative Fuels & BioenergyIndustry: CommercialIndustry: IndustrialType: Power & Utility Engineering+16 more