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&B Foundry, Machining, and Fabrications

Franklin, OH

Engineering Excellence + Inspiring Innovation

WebsitePhone1 officeUpdated Jun 2026

Service detail: Castings

Service: CastingsService: Air Set MoldingService: V-Process CastingIndustry: AerospaceIndustry: DefenseType: Industrial Engineering+30 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

Advanced Engineering Consultants

Columbus, OH

Advanced Engineering Consultants specializes in providing mechanical, electrical, plumbing, fire protection, technology, and utilities engineering design and construction administration services for the built environment. Established in 1998, the practice works collaboratively with owners, architects, and contractors across the Midwest, the nation, and globally. It has completed nearly 2,000 projects across diverse sectors including government, healthcare, education, and commercial markets.

WebsitePhone4 offices6 projects7 leaders14 credentialsFounded 1998

Project: Columbus Division of Police Crime Laboratory Renovation

Service: Mechanical EngineeringService: HVAC Design and UpgradesService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: MEP+23 more

Algebra AEC, LLC

Cleveland, OH

MEP & Sustainability Consulting

WebsitePhone1 office18 projects1 leadersFounded 2014Size Estimate: 5-30 employees

Project: Cleveland Clinic / CWRU - Health Education Campus

Service: MEP EngineeringService: HVAC EngineeringService: Plumbing EngineeringIndustry: HealthcareIndustry: EducationType: MEP+33 more

All-Phase Power, LLC

Medina, OH

Powering Your Future

WebsitePhone2 offices2 leadersUpdated Jun 2026

Service detail: Electrical Contracting

Service: Electrical ContractingService: Residential Electrical ServicesService: Commercial Electrical ServicesIndustry: CommercialIndustry: ResidentialType: Electrical Engineering+12 more

Apogee Applied Research Inc

Dayton, OH

FPGA SDR and Signal Processing

WebsitePhone1 office2 credentialsFounded 2009Updated Jun 2026

Service detail: Digital Signal Processing & Algorithm Engineering

Service: Digital Signal Processing & Algorithm EngineeringService: Algorithm ImplementationService: SDR Packet ProcessingIndustry: GovernmentIndustry: DefenseType: Electrical Engineering+11 more

CMM Inc.

Hudson, OH

Premier Engineering Design, Construction Support, and Maintenance Services

WebsitePhone1 office8 leadersFounded 1998Updated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: Peer Review and DesignService: Constructability ReviewIndustry: IndustrialIndustry: CommercialType: Civil Engineering+65 more

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders6 credentialsFounded 1969Size Estimate: 1,560 employees

Project: CMTA Corporate Headquarters Building 2

Service: Consulting EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: AviationType: MEP+30 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

DLZ Corporation

Columbus, OH

Innovative Ideas | Exceptional Design | Unmatched Client Service

WebsitePhone1 office9 projects3 leaders5 credentialsSize Estimate: 500+ employees

Project: SR 161 at Maple Canyon Avenue

Service: Transportation EngineeringService: Interchange and Highway DesignService: Bridge Design and RestorationIndustry: Highways & RoadsIndustry: TransportationType: Architecture & Engineering+73 more

Denk Associates, Inc.

Cleveland, OH

Founded in 1967 by Joseph F. Denk, Sr., Denk Associates, Inc. is a mechanical and electrical engineering consulting practice based in Cleveland, Ohio. Offering decades of engineering experience, it delivers comprehensive MEP engineering design, commissioning, and sustainable design services to architects, developers, and building owners on local and national scales. Its portfolio encompasses medical research facilities, hospitals, hotels, multifamily housing, university laboratories, and historic renovations, including several projects designed to meet LEED Platinum certification. By utilizing a dedicated project manager model where both mechanical and electrical project managers continuously review designs from concept to construction completion, it builds long-term collaborative partnerships.

WebsitePhone1 office16 projects9 leaders14 credentialsFounded 1967

Project: Cleveland Clinic Global Leadership and Learning Institute

Service: Electrical EngineeringService: Interior lighting designService: Exterior lighting designIndustry: HealthcareIndustry: EducationType: MEP+27 more

E Tech Group

West Chester Township, OH

Beyond Automation and Control

WebsitePhone2 offices7 leaders10 credentialsFounded 1993Size Estimate: 700+ employees

Service detail: Automation

Service: AutomationService: Building AutomationService: Machine AutomationIndustry: Consumer ProductsIndustry: Food & BeverageType: Automation & Controls+26 more

ELCON Technologies

Bridgeville, PA

Engineering Services and Solutions for Automation, Electrical Power, and Electromechanical Processes

WebsitePhone2 offices10 credentialsFounded 1988Updated Jun 2026

Service detail: Industrial Automation and Process Control

Service: Industrial Automation and Process ControlService: Machine ControlService: Process Control and SCADAIndustry: Automation & ControlsIndustry: IndustrialType: Electrical Engineering+24 more

Electronic Concepts and Engineering, Inc.

Holland, OH

Electronic Concepts and Engineering, Inc. (ECE) is a full-service electronic OEM product development and manufacturing firm based in Holland, Ohio, specializing in military, aerospace, automotive, and industrial embedded electronic systems. Since 1991, ECE has developed and produced cost-effective embedded electronic systems for rugged environments, serving Fortune 500 companies and smaller organizations across circuit design, software development, PCB design, product qualification testing, and system integration.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Electronic System Design

Service: Electronic System DesignService: System Architecture and DesignService: Ruggedized Electronic Design and AnalysisIndustry: DefenseIndustry: AerospaceType: Electrical Engineering+13 more

Envision Electronics Design LLC

Dayton, OH

Southwest Ohio PCB Circuit and Engineering Design Partner

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: PCB and Hardware Engineering

Service: PCB and Hardware EngineeringService: Multilayer and Rigid-Flex PCB LayoutService: High-Reliability and HDI DesignIndustry: ElectronicsIndustry: TelecommunicationsType: Electrical Engineering+9 more

Formica Industries LLC

Granville, OH

Formica Industries LLC is a licensed engineering practice specializing in machine design, reverse engineering to manufacture, and low-to-mid complexity mechatronic integration. Founded in 2018, it delivers custom manufacturing operations, specialized laboratory testing, and technical site consultations for the defense, industrial, and aerospace sectors.

WebsitePhone1 office1 credentialsFounded 2018Updated Jun 2026

Service detail: Mechanical & Industrial Engineering

Service: Mechanical & Industrial EngineeringService: Machine DesignService: Reverse Engineering for ManufactureIndustry: ManufacturingIndustry: IndustrialType: Mechanical Engineering+17 more

GPD Group

Akron, OH

Redefining the industry. Transforming your experience.

WebsitePhone1 office2 leadersFounded 1961Size Estimate: 200-999 employeesUpdated Jun 2026

Service detail: Architecture & Design

Service: Architecture & DesignService: Engineering ConsultingService: Structural EngineeringIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+30 more

Genuine Engineering Group

Columbus, OH

Engineered Comfort. Genuine Performance.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Forensic and Building Investigation Services

Service: Forensic and Building Investigation ServicesService: Construction Management & Claims Dispute ResolutionService: Building Code & Standards ComplianceIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+24 more

Globex Corporation

Canfield, OH

Globex Corporation is an international, multi-discipline engineering consulting practice providing structural, civil, mechanical, and electrical engineering solutions since 1980. Headquartered in Canfield, Ohio, Globex specializes in the engineering, installation, testing, diagnostic inspection, modernization, and in-service management of mill buildings, precision-controlled cranes, hoists, ship loaders, conveyors, and similar heavy industrial systems. Over four decades, the practice has completed more than 2,000 projects for heavy industry clients worldwide.

WebsitePhone3 officesFounded 1980Updated Jun 2026

Service detail: Engineering & Consulting

Service: Engineering & ConsultingService: Engineering Studies, Investigations, Surveys, and EvaluationsService: Accident Investigation / Forensic ServicesIndustry: IndustrialIndustry: ManufacturingType: Structural Engineering+18 more

H F Lenz Co

Johnstown, PA

Trusted. Experienced. Multidisciplined.

Website5 offices11 leaders2 credentialsFounded 1946Updated Jun 2026

Service detail: Energy Services

Service: Civil EngineeringService: CommissioningService: Communications EngineeringIndustry: Arts & CultureIndustry: AviationType: Civil Engineering+31 more

HWH Architects Engineers Planners Inc.

Cleveland, OH

Advance Your Vision

WebsitePhone1 office6 projectsFounded 1908Updated Jun 2026

Project: Gas Turbine Technology Laboratory Air Heater Upgrade

Service: Engineering ServicesService: Civil Engineering ConsultingService: Master planningIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+39 more

Howerton Engineering and Surveying, PLLC

Greenup, KY

Consulting Engineers, Architects and Land Surveyors

WebsitePhone2 offices5 projects6 leaders3 credentialsSize Estimate: 6-10 employees

Project: Greenup Phase 8 Water System Improvements

Service: Civil EngineeringService: Water & Wastewater SystemsService: Stormwater & DrainageIndustry: InfrastructureIndustry: Water SupplyType: Civil Engineering+33 more

HukariAscendent Inc

Wheat Ridge, CO

Experts in Nuclear Professional & Technical Services

WebsitePhone7 offices1 leadersFounded 1999Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Mechanical EngineeringService: Electrical and Instrumentation and Controls EngineeringIndustry: NuclearIndustry: DefenseType: Process Safety Engineering+38 more

Karpinski Engineering Inc.

Cleveland, OH

MEPT engineering for complex buildings

WebsitePhone6 offices7 projects1 leaders15 credentialsFounded 1983

Project: Heart and Vascular Institute

Service: MEPT Building Systems DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+15 more