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: CastingsService: Air Set MoldingIndustry: AerospaceType: Industrial Engineering+32 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects
Service: Process EngineeringService: PFD and P&ID DevelopmentIndustry: ChemicalsType: Automation & Controls+75 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 projects
Service: Mechanical EngineeringService: HVAC Design and UpgradesIndustry: FederalType: MEP+25 more

Algebra AEC, LLC

Cleveland, OH

MEP & Sustainability Consulting

WebsitePhone1 office18 projects
Service: MEP EngineeringService: HVAC EngineeringIndustry: HealthcareType: MEP+35 more

All-Phase Power, LLC

Medina, OH

Powering Your Future

WebsitePhone2 offices2 leaders
Service: Electrical ContractingService: Residential Electrical ServicesIndustry: CommercialType: Electrical Engineering+14 more

Apogee Applied Research Inc

Dayton, OH

FPGA SDR and Signal Processing

WebsitePhone1 office2 credentials
Service: Digital Signal Processing & Algorithm EngineeringService: Algorithm ImplementationIndustry: GovernmentType: Electrical Engineering+13 more

CMM Inc.

Hudson, OH

Premier Engineering Design, Construction Support, and Maintenance Services

WebsitePhone1 office8 leaders
Service: Construction ManagementService: Peer Review and DesignIndustry: IndustrialType: Civil Engineering+67 more

CMTA

Louisville, KY

Building Science Leadership

Website49 offices2 projects3 leaders
Service: Consulting EngineeringService: Mechanical EngineeringIndustry: ManufacturingType: MEP+32 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects
Service: EngineeringService: Pipeline EngineeringIndustry: Oil & GasType: EPC+53 more

DLZ Corporation

Columbus, OH

Innovative Ideas | Exceptional Design | Unmatched Client Service

WebsitePhone1 office9 projects
Service: Transportation EngineeringService: Interchange and Highway DesignIndustry: Highways & RoadsType: Architecture & Engineering+75 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 projects
Service: Electrical EngineeringService: Interior lighting designIndustry: HealthcareType: MEP+29 more

E Tech Group

West Chester Township, OH

Beyond Automation and Control

WebsitePhone2 offices7 leaders
Service: AutomationService: Building AutomationIndustry: Consumer ProductsType: Automation & Controls+28 more

ELCON Technologies

Bridgeville, PA

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

WebsitePhone2 offices10 credentials
Service: Industrial Automation and Process ControlService: Machine ControlIndustry: Automation & ControlsType: Electrical Engineering+26 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 credentials
Service: Electronic System DesignService: System Architecture and DesignIndustry: DefenseType: Electrical Engineering+15 more

Envision Electronics Design LLC

Dayton, OH

Southwest Ohio PCB Circuit and Engineering Design Partner

WebsitePhone1 office1 credentials
Service: PCB and Hardware EngineeringService: Multilayer and Rigid-Flex PCB LayoutIndustry: ElectronicsType: Electrical Engineering+11 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 credentials
Service: Mechanical & Industrial EngineeringService: Machine DesignIndustry: ManufacturingType: Mechanical Engineering+19 more

GPD Group

Akron, OH

Redefining the industry. Transforming your experience.

WebsitePhone1 office2 leaders
Service: Architecture & DesignService: Engineering ConsultingIndustry: EducationType: Architecture & Engineering+32 more

Genuine Engineering Group

Columbus, OH

Engineered Comfort. Genuine Performance.

WebsitePhone1 office1 credentials
Service: Forensic and Building Investigation ServicesService: Construction Management & Claims Dispute ResolutionIndustry: ResidentialType: Architecture & Engineering+26 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 1980
Service: Engineering & ConsultingService: Engineering Studies, Investigations, Surveys, and EvaluationsIndustry: IndustrialType: Structural Engineering+20 more

H F Lenz Co

Johnstown, PA

Trusted. Experienced. Multidisciplined.

Website5 offices11 leaders2 credentials
Service: Civil EngineeringService: CommissioningIndustry: Arts & CultureType: Civil Engineering+33 more

HWH Architects Engineers Planners Inc.

Cleveland, OH

Advance Your Vision

WebsitePhone1 office6 projects
Service: Engineering ServicesService: Civil Engineering ConsultingIndustry: IndustrialType: Architecture & Engineering+41 more

Howerton Engineering and Surveying, PLLC

Greenup, KY

Consulting Engineers, Architects and Land Surveyors

WebsitePhone2 offices5 projects
Service: Civil EngineeringService: Water & Wastewater SystemsIndustry: InfrastructureType: Civil Engineering+35 more

HukariAscendent Inc

Wheat Ridge, CO

Experts in Nuclear Professional & Technical Services

WebsitePhone7 offices1 leaders
Service: EngineeringService: Mechanical EngineeringIndustry: NuclearType: Process Safety Engineering+40 more

Karpinski Engineering Inc.

Cleveland, OH

MEPT engineering for complex buildings

WebsitePhone6 offices7 projects
Service: MEPT Building Systems DesignService: Mechanical EngineeringIndustry: HealthcareType: MEP+17 more