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.

Filters1

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

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Front-End Engineering & Design (FEED)

Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityService: FEL-2: Planning & Specification DevelopmentIndustry: Renewable EnergyIndustry: ChemicalsType: Process Engineering+39 more

Advanced Integration Group, Inc.

McKees Rocks, PA

Be in Control.

WebsitePhone1 office2 projects5 credentialsUpdated Jun 2026

Project: Lock and Dam Control Systems - Ohio River

Service: Control Systems Design and ImplementationService: PLC ProgrammingService: SCADA DevelopmentIndustry: Power GenerationIndustry: ManufacturingType: Automation & Controls+37 more

Aerek Llc

Owensboro, KY

Your Partner in Industrial Automation and Controls

Website1 officeUpdated Jun 2026

Service detail: Engineering And Design

Service: Engineering And DesignService: RoboticsService: Machine SafetyIndustry: AutomotiveIndustry: Consumer ProductsType: Automation & Controls+8 more

Agapito Associates LLC

Grand Junction, CO

Technical expertise and sound analysis for your mining project, both large and small.

WebsitePhone3 offices3 projects2 leaders2 publicationsFounded 1978

Project: Green River Project NI 43-101 Exploration Target

Service: Mining EngineeringService: Mine PlanningService: Ground-Control DesignIndustry: MiningIndustry: Aggregates & QuarryingType: Mining Engineering+27 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

Allan Integrated Control Systems, Inc.

East Troy, WI

Intelligent Automation Solutions

WebsitePhone1 office2 leaders2 credentialsFounded 1969Updated Jun 2026

Service detail: SCADA Systems

Service: SCADA SystemsService: Conceptual and Functional DesignService: Systems and Software DevelopmentIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+24 more

Alliance Automation & Control, Inc.

Rogersville, AL

No project too large, no requirement too detailed.

WebsitePhone1 office1 credentialsFounded 2000Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Electrical DesignService: Automation & ControlsIndustry: AutomotiveIndustry: ChemicalsType: Automation & Controls+12 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Allied Erecting & Dismantling Co., Inc.

Youngstown, OH

Allied Erecting & Dismantling Co., Inc. (AED) specializes in the selective and mass dismantling of complex industrial structures. Established in 1973 in Youngstown, Ohio, AED has completed some of the largest and most challenging industrial dismantling projects in the United States, pioneering techniques and equipment for heavy industrial decommissioning. It operates as a wholly owned subsidiary of Allied Consolidated Industries, Inc. (ACI) and draws on sister companies specializing in scrap processing, structural and civil engineering, mechanical engineering, industrial manufacturing, and heavy fabrication.

Website1 office8 credentialsFounded 1973Updated Jun 2026

Service detail: Industrial Dismantling

Service: Industrial DismantlingService: Selective DismantlingService: Mass Structural DismantlingIndustry: IndustrialIndustry: ManufacturingType: Industrial Engineering+10 more

Andrew Brock Consulting Engineer LLC

Toledo, OH

Andrew Brock Consulting Engineer LLC is a structural, civil, and specialty delegated engineering practice headquartered in Toledo, Ohio. Serving clients throughout the Midwest and Western states, it provides engineer-of-record services for K-12 and post-secondary schools, industrial facilities, warehouses, hospitals, and commercial developments. The practice has specialized expertise in heavy seismic, high-wind, and Risk Category III and IV facility design, employing 3D building information modeling (BIM) to coordinate seamlessly with architects, contractors, and other consultants.

Website1 office5 leaders3 credentials1 publicationsSize Estimate: 3-10 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Engineer of Record ServicesService: Specialty Delegated EngineeringIndustry: EducationIndustry: IndustrialType: Structural Engineering+25 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

Applied Chemical Technology, Inc.

Florence, AL

Applied Chemical Technology (ACT) is a one-stop engineering, research and development, and fabrication firm founded in 1981 and headquartered in Florence, Alabama. ACT specializes in chemical process scale-up, providing integrated engineering, laboratory and pilot plant R&D, and custom equipment fabrication for clients in the chemical, fertilizer, agriculture, and mining industries. Its 84,500-square-foot Florence campus includes office, laboratory, fabrication, and pilot plant facilities, and its ASME VIII Div 1 pressure vessel shop supports design and build of custom reactors and process systems.

WebsitePhone1 office1 credentialsFounded 1981Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Process EngineeringService: Mechanical EngineeringIndustry: ChemicalsIndustry: AgricultureType: Chemical Engineering+21 more

Baghouse Duct Design dot Com

Golden, CO

Dust Collection Consultant & Industrial Ventilation Engineer

WebsitePhone1 office4 projects1 leaders1 credentialsFounded 2004

Project: Cartridge Collector Venting for Chemical Ribbon Blenders

Service: Air Pollution Control System DesignService: Baghouse and Cartridge Collector SystemsService: Wet ScrubbersIndustry: ManufacturingIndustry: Food & BeverageType: Environmental Engineering+19 more

Blue Aspen Solutions LLC

Your structural engineering partners for environmental infrastructure

WebsiteUpdated Jun 2026

Service detail: Structural Design and Construction Support

Service: Structural Design and Construction SupportService: Conventional Analysis and DesignService: Construction Support ServicesIndustry: Water SupplyIndustry: WastewaterType: Structural Engineering+22 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

CE Engineers Inc.

Portland, OR

Controls and Electrical Engineering

WebsitePhone1 office7 projects3 leadersFounded 2006Size Estimate: 1-10 employees

Project: Canter Infeed Line Upgrade

Service: Controls and Automation EngineeringService: PLC ProgrammingService: HMI ProgrammingIndustry: GovernmentIndustry: IndustrialType: Electrical Engineering+23 more

CIM-Tech

Valparaiso, IN

Redefining Industry Standards in Engineering & Design

WebsitePhone1 office3 leadersFounded 2006Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Ironmaking Engineering

Service: Ironmaking EngineeringService: Blast Furnace Design & EngineeringService: Process OptimizationIndustry: MetalsIndustry: IndustrialType: Process Engineering+20 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

CSD Engineers, LLC

Pittsburgh, PA

Engineering & Management Solutions

WebsitePhone1 office2 leaders4 credentialsFounded 2008Updated Jun 2026

Service detail: Project Management and Controls

Service: Project Management and ControlsService: Project ManagementService: Project Controls and SchedulingIndustry: Oil & GasIndustry: PetrochemicalType: Civil Engineering+37 more

Casne Engineering, Inc.

Bellevue, WA

Supporting America's Infrastructure

Website1 office3 projects1 publicationsFounded 1981Size Estimate: 100-200 employeesUpdated Jun 2026

Project: Natural Gas Turbine Fleet Monitoring

Service: Electrical EngineeringService: Medium and low voltage equipment and distribution systemsService: Primary and secondary unit substationsIndustry: AerospaceIndustry: Data CentersType: Automation & Controls+50 more

Cintar Inc.

Glenshaw, PA

Multidisciplinary Engineering & Consulting Services

Website1 office1 projects7 credentials5 publicationsFounded 1983Size Estimate: 100+ employees

Project: ATI Shanghai STAL Project

Service: Civil & Structural EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: MetalsIndustry: Power GenerationType: Civil Engineering+31 more

ClearStream Environmental

Sandy, UT

Engineered Solutions for Water and Wastewater Treatment

WebsitePhone1 officeFounded 2002Updated Jun 2026

Service detail: Process Design and Engineering

Service: Process Design and EngineeringService: Municipal Water TreatmentService: Municipal Wastewater TreatmentIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+27 more

Convergence Controls & Engineering

Littleton, CO

Where Controls & Engineering Converge

WebsitePhone2 offices4 credentialsUpdated Jun 2026

Service detail: Control Engineering and Programming

Service: Control Engineering and ProgrammingService: Programmable Logic ControllersService: Supervisory Control and Data AcquisitionIndustry: Oil & GasIndustry: Power GenerationType: Automation & Controls+32 more