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.

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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects
Service: Construction & Remediation ServicesService: Landfill ConstructionIndustry: Environmental & RemediationType: Environmental Engineering+74 more

Airflow Sciences Corporation

Livonia, MI

Engineered CFD Solutions

WebsitePhone1 officeFounded 1975
Service: Computational Fluid Dynamics (CFD) ModelingService: Combustion ModelingIndustry: Emissions ControlType: Mechanical Engineering+55 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 leaders
Service: Air Quality, Wastewater & Stormwater PermittingService: Environmental & Energy ReportingIndustry: IndustrialType: Environmental Engineering+8 more

CAT Technologies, LLC

Willoughby, OH

Turnkey Industrial Dust Collection and Vacuum Systems

WebsitePhone1 officeUpdated Jun 2026
Service: Air Pollution Control and Environmental SystemsService: Industrial Dust Collection SystemsIndustry: MetalsType: Process Engineering+26 more

CPP Wind Engineering Consultants

Windsor, CO

Pioneering the next generation of wind engineering

Website4 offices5 projects8 leaders
Service: Wind Tunnel TestingService: Structural Wind Load StudiesIndustry: CommercialType: Structural Engineering+36 more

Cozairo LLC

The Woodlands, TX

Putting away carbon for good.

Website1 office1 leadersUpdated Jun 2026
Service: Carbon Capture and SequestrationService: Pore Space AcquisitionIndustry: Carbon CaptureType: Emissions Control+16 more

Echogen Power Systems

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

WebsiteUpdated Jun 2026
Service: Pumped Thermal Energy Storage (PTES)Service: Industrial Heat Pumps for DecarbonizationIndustry: Energy StorageType: Thermal & Heat Transfer+7 more

EnerconAmerica Inc

Chicago, IL

In Pursuit of Clean Energy

Website1 officeUpdated Jun 2026
Service: Plant Engineering and DesignService: Conceptual Design and Site SelectionIndustry: Power GenerationType: EPC+26 more

Essential Engineering LLC

Engineering with a different approach.

WebsiteUpdated Jun 2026
Service: Project ManagementService: Owner's EngineerIndustry: Oil & GasType: Architecture & Engineering+8 more

Fossil Energy Research Corporation

Laguna Hills, CA

Specialists in environmental and energy technologies

WebsitePhone1 officeFounded 1984
Service: Catalyst Activity TestingService: Bench-Scale Activity TestingIndustry: Emissions ControlType: Combustion Engineering+34 more

Fox, Drechsler & Brickley, Inc.

Altus, OK

Providing Consulting Engineering and Land Surveying across Southwest Oklahoma

WebsitePhone1 office6 leaders
Service: Civil EngineeringService: Roads and HighwaysIndustry: Water SupplyType: Civil Engineering+38 more

GHG Engineering, LLC

Turning Location and Environmental Complexity into Clarity

Website1 credentialsUpdated Jun 2026
Service: Sustainability EngineeringService: Industrial Water Sustainability & Stormwater Pollution Prevention ProgramsIndustry: SolarType: Environmental Engineering+26 more

Grace Consulting Inc.

Wellington, OH

Fast, Accurate Data You Can Trust

Website4 offices4 projects3 credentials
Service: Air Emissions TestingService: Stack Testing and Emissions SamplingIndustry: Power GenerationType: Environmental Engineering+15 more

HB Engineering, Inc.

North Royalton, OH

Providing Environmental & Engineering Services Since 1987

WebsitePhone1 office8 projects
Service: Air Pollution ControlService: New Source Permitting.Industry: IndustrialType: Environmental Engineering+40 more

IAC

Industrial EPC and engineered systems.

WebsiteUpdated Jun 2026
Service: Industrial EPC and Turnkey DeliveryService: Engineering and DesignIndustry: IndustrialType: EPC+20 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: Environmental RemediationService: Water ResourcesIndustry: Environmental & RemediationType: Environmental Engineering+9 more

Motus Group Inc

Denver, CO

Engineering Effective Solutions for Heavy Industrial Projects

WebsitePhone1 office8 leaders
Service: Equipment and Process SolutionsService: Emissions Compliance SystemsIndustry: Power GenerationType: Automation & Controls+19 more

Oak Valley

Hot Springs, AR

Broad extensive engineering experience for industrial combustion and control systems

WebsitePhone1 office1 projects
Service: Commissioning and TrainingService: Commissioning and Start-up AssistanceIndustry: Power GenerationType: Mechanical Engineering+34 more

Optical Scientific, Inc.

Gaithersburg, MD

Advanced Optical Instruments and Optical Measurement Technology

WebsitePhone1 office3 projects
Service: Optical Sensor and Instrumentation EngineeringService: Scintillation-Based MeasurementIndustry: AirportsType: Automation & Controls+27 more

Osman Environmental Solutions, LLC

Harrisburg, PA

Business-Friendly Solutions to Environmental Issues

WebsitePhone1 office4 leaders
Service: Air PermittingService: Environmental ComplianceIndustry: IndustrialType: Environmental Engineering+5 more

Oxidizers Inc.

Corona, CA

Your Expert Partner in Industrial Air Quality Solutions

WebsitePhone1 office2 credentials
Service: Oxidizer System Design and InstallationService: New Oxidizer System Design and InstallationIndustry: Emissions ControlType: Emissions Control+13 more

Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leaders
Service: EngineeringService: Mechanical EngineeringIndustry: Aggregates & QuarryingType: Civil Engineering+31 more

Puloli Inc

San Francisco, CA

Trusted Data. Zero Guesswork.

Website2 offices2 leadersUpdated Jun 2026
Service: Continuous MonitoringService: Industry-Wide Continuous MonitoringIndustry: Oil & GasType: Automation & Controls+3 more

RTP Environmental Associates, Inc.

Westbury, NY

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

Website1 office3 credentialsUpdated Jun 2026
Service: Air Permitting and ComplianceService: Title V and PSD PermittingIndustry: Environmental & RemediationType: Environmental Engineering+21 more