Public engineering firm directory

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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

Airflow Sciences Corporation

Livonia, MI

Engineered CFD Solutions

WebsitePhone1 officeFounded 1975Updated Jun 2026

Service detail: Computational Fluid Dynamics (CFD) Modeling

Service: Computational Fluid Dynamics (CFD) ModelingService: Combustion ModelingService: Dispersion ModelingIndustry: Emissions ControlIndustry: Power GenerationType: Mechanical Engineering+53 more

Berkshire Environmental Consultants

Pittsfield, MA

Berkshire Environmental Consultants (BEC) is an environmental engineering and consulting firm founded in 1995 in Pittsfield, Massachusetts, serving industrial clients across New England. BEC specializes in air quality, wastewater discharge, and stormwater permitting; environmental and energy regulatory compliance; environmental and safety planning; and indoor and ambient air sampling. Its engineers, scientists, and regulatory specialists provide technical environmental expertise and detailed knowledge of federal and state environmental regulations, with particular depth in air emissions, CEMS, EPCRA, and power generation facility compliance.

WebsitePhone1 office6 leadersFounded 1995Updated Jun 2026

Service detail: Air Quality, Wastewater & Stormwater Permitting

Service: Air Quality, Wastewater & Stormwater PermittingService: Environmental & Energy ReportingService: Environmental & Energy Regulatory ComplianceIndustry: IndustrialIndustry: Power GenerationType: Environmental Engineering+6 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

CPP Wind Engineering Consultants

Windsor, CO

Pioneering the next generation of wind engineering

Website4 offices5 projects8 leaders3 credentials1 publicationsFounded 1981

Project: VIA 57 WEST

Service: Wind Tunnel TestingService: Structural Wind Load StudiesService: Wind on CladdingIndustry: CommercialIndustry: HealthcareType: Structural Engineering+34 more

Cozairo LLC

The Woodlands, TX

Putting away carbon for good.

Website1 office1 leadersUpdated Jun 2026

Service detail: Carbon Capture and Sequestration

Service: Carbon Capture and SequestrationService: Pore Space AcquisitionService: PermittingIndustry: Carbon CaptureIndustry: Emissions ControlType: Emissions Control+14 more

Echogen Power Systems

We don't chase the future, we engineer it.

WebsiteUpdated Jun 2026

Service detail: Pumped Thermal Energy Storage (PTES)

Service: Pumped Thermal Energy Storage (PTES)Service: Industrial Heat Pumps for DecarbonizationService: Waste Heat Recovery (Heat to Power)Industry: Energy StorageIndustry: Power GenerationType: Thermal & Heat Transfer+5 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

Essential Engineering LLC

Engineering with a different approach.

WebsiteUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Owner's EngineerService: Cost StudiesIndustry: Oil & GasIndustry: Water SupplyType: Architecture & Engineering+6 more

Fossil Energy Research Corporation

Laguna Hills, CA

Specialists in environmental and energy technologies

WebsitePhone1 officeFounded 1984Updated Jun 2026

Service detail: Catalyst Activity Testing

Service: Catalyst Activity TestingService: Bench-Scale Activity TestingService: Micro-Scale Activity TestingIndustry: Emissions ControlIndustry: Power GenerationType: Combustion Engineering+32 more

Fox, Drechsler & Brickley, Inc.

Altus, OK

Providing Consulting Engineering and Land Surveying across Southwest Oklahoma

WebsitePhone1 office6 leaders1 credentialsFounded 1960Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Roads and HighwaysService: Bridge Inspection and DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+36 more

GHG Engineering, LLC

Turning Location and Environmental Complexity into Clarity

Website1 credentialsUpdated Jun 2026

Service detail: Sustainability Engineering

Service: Sustainability EngineeringService: Industrial Water Sustainability & Stormwater Pollution Prevention ProgramsService: Energy & Carbon Footprint Reduction ProjectsIndustry: SolarIndustry: Renewable EnergyType: Environmental Engineering+24 more

Grace Consulting Inc.

Wellington, OH

Fast, Accurate Data You Can Trust

Website4 offices4 projects3 credentialsFounded 2000Updated Jun 2026

Project: FGD Scrubber Performance Testing Program

Service: Air Emissions TestingService: Stack Testing and Emissions SamplingService: RATA & CEMS CertificationIndustry: Power GenerationIndustry: ManufacturingType: Environmental Engineering+13 more

HB Engineering, Inc.

North Royalton, OH

Providing Environmental & Engineering Services Since 1987

WebsitePhone1 office8 projectsFounded 1987Updated Jun 2026

Project: MACT Compliance Programs for Secondary Aluminum Processing Facilities

Service: Air Pollution ControlService: New Source Permitting.Service: MACT Compliance AssistanceIndustry: IndustrialIndustry: ManufacturingType: Environmental Engineering+38 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

Landau Associates

Seattle, WA

Landau's interdisciplinary team of environmental engineers, geologists, and scientists applies an integrated technical approach - spanning air, noise, water, stormwater, remediation, and permitting - to transform complex environmental challenges into effective risk management solutions. Headquartered in Seattle, Landau operates from nine offices across the Pacific Northwest, Pacific Coast, and Gulf Coast.

Website9 officesUpdated Jun 2026

Service detail: Environmental Remediation

Service: Environmental RemediationService: Water ResourcesService: Permitting & Engineering DesignIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+7 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

Oak Valley

Hot Springs, AR

Broad extensive engineering experience for industrial combustion and control systems

WebsitePhone1 office1 projects1 leaders2 credentialsFounded 1993

Project: Lumberton Biomass Power Plant Control System Upgrade

Service: Commissioning and TrainingService: Commissioning and Start-up AssistanceService: Operator Mentoring and Plant Personnel SupportIndustry: Power GenerationIndustry: Biomass & BioenergyType: Mechanical Engineering+32 more

Optical Scientific, Inc.

Gaithersburg, MD

Advanced Optical Instruments and Optical Measurement Technology

WebsitePhone1 office3 projects3 credentialsFounded 1985Updated Jun 2026

Project: Terminal Loading Facility Flow Measurement

Service: Optical Sensor and Instrumentation EngineeringService: Scintillation-Based MeasurementService: Optical Sensor TechnologyIndustry: AirportsIndustry: AviationType: Automation & Controls+25 more

Osman Environmental Solutions, LLC

Harrisburg, PA

Business-Friendly Solutions to Environmental Issues

WebsitePhone1 office4 leadersFounded 2005Updated Jun 2026

Service detail: Air Permitting

Service: Air PermittingService: Environmental ComplianceService: Continuous Emission MonitoringIndustry: IndustrialIndustry: ManufacturingType: Environmental Engineering+3 more

Oxidizers Inc.

Corona, CA

Your Expert Partner in Industrial Air Quality Solutions

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Oxidizer System Design and Installation

Service: Oxidizer System Design and InstallationService: New Oxidizer System Design and InstallationService: Oxidizer System UpgradesIndustry: Emissions ControlIndustry: ManufacturingType: Emissions Control+11 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

Puloli Inc

San Francisco, CA

Trusted Data. Zero Guesswork.

Website2 offices2 leadersUpdated Jun 2026

Service detail: Continuous Monitoring

Service: Continuous MonitoringService: Industry-Wide Continuous MonitoringService: On-Site Continuous MonitoringIndustry: Oil & GasIndustry: Emissions ControlType: Automation & Controls+1 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