Public engineering firm directory

Find engineering consulting firms by capability and location.

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2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders4 credentialsFounded 1979Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Site Drainage and Grading PlansService: Stormwater Pollution Prevention PlansIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+48 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

Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

Allison Structural Group

Columbus, OH

Allison Structural Group is a Columbus, Ohio-based structural engineering and inspection consulting practice serving developers, architects, contractors, realty companies, and facility owners. It provides structural design for new and existing buildings, site civil consulting, condition assessments, and industrial support structures. Project types range from residential additions and tenant improvements to industrial plant upgrades and commercial property acquisitions. The practice delivers projects using BIM and Revit for clear, coordinated design documentation.

WebsitePhone2 offices6 projectsSize Estimate: 2-10 employeesUpdated Jun 2026

Project: Sawmill Place Apartment Building

Service: Structural EngineeringService: Structural design for new buildingsService: Structural upgrades and alterations to existing facilitiesIndustry: CommercialIndustry: ManufacturingType: Architecture & Engineering+51 more

Barber & Hoffman, Inc.

Cleveland, OH

Reliable partnership. Trusted solutions.

WebsitePhone3 offices15 projects4 leaders13 credentialsFounded 1934

Project: UH Ahuja Medical Center - Drusinsky Sports Medicine Institute

Service: Structural Design and AnalysisService: Structural System Selection and Building DesignService: Construction Documents and Sealed CalculationsIndustry: HealthcareIndustry: EducationType: Structural Engineering+29 more

Blue Lynx LLC

Columbus, OH

Blue Lynx LLC is a structural engineering firm based in Columbus, Ohio, providing structural engineering design, foundation solutions, structural inspection, and structural assessment services throughout Columbus and surrounding areas. With over 16 years of experience, the team is licensed in Ohio and nine additional states and focuses on cost-effective design and meeting client deadlines.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Foundation SolutionsService: Structural InspectionIndustry: ResidentialIndustry: CommercialType: Structural Engineering+1 more

Bowen Engineering

Indianapolis, IN

Bowen Engineering is a self-performing general contractor and EPC firm headquartered in Indianapolis, Indiana, that delivers water, wastewater, energy, and industrial construction projects nationwide. With operation centers across the country and a staff of degreed engineers paired with experienced craft, Bowen has constructed over 1,000 treatment facilities and is a recognized leader in PFAS, PFOS, and PFOA constituent removal.

WebsitePhone8 offices5 leaders4 credentialsUpdated Jun 2026

Service detail: EPC / Design-Build

Service: EPC / Design-BuildService: Self-Perform ConstructionService: Site WorkIndustry: Water SupplyIndustry: WastewaterType: EPC+8 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 more

CCI Engineering Services

Columbus, OH

Quality Engineering Services for 30+ Years

WebsitePhone6 offices2 credentialsFounded 1984Updated Jun 2026

Service detail: CADD and Modeling

Service: CADD and ModelingService: CADD ServicesService: Geographic Information SystemsIndustry: AviationIndustry: TransportationType: Civil Engineering+34 more

CTL Engineering

Columbus, OH

Our Most Powerful Solution is Trust

WebsitePhone2 offices2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design and PlanningService: Infrastructure DesignIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+86 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

Carpenter Marty Transportation Inc

Columbus, OH

Founded in 2013 by Kevin Carpenter and Bill Marty, Carpenter Marty Transportation is a civil engineering firm specializing in roadway, bridge, traffic, planning, survey, and architecture services. Since its founding, CM has experienced significant growth while maintaining a clear focus on infrastructure design and client service. Headquartered in Columbus, Ohio, CM expanded in 2018 by opening new offices in Cincinnati, Ohio and Charleston, West Virginia. We expanded our services again in 2020 with the launch of Comma Designworks, a full-service architecture branch in Nashville, Tennessee. Infrastructure remains our core focus, supported by leadership that exemplifies our values.

Website4 offices12 leadersFounded 2013Updated Jun 2026

Service detail: Traffic Engineering

Service: Traffic EngineeringService: Traffic StudiesService: Traffic Impact StudiesIndustry: Highways & RoadsIndustry: BridgesType: Architecture & Engineering+29 more

Chagrin Valley Engineering, Ltd.

Cleveland, OH

Creative Engineers. Intelligent Solutions.

WebsitePhone3 offices5 projects1 leadersUpdated Jun 2026

Project: Stabilizing SR 4: Rebuilding on an Historic Landfill

Service: Civil Engineering and Site PlanningService: Site developmentService: Grading and drainage designIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+38 more

Civil & Environmental Consultants, Inc.

Pittsburgh, PA

We Own It.

WebsitePhone14 offices9 leaders2 credentialsFounded 1989Size Estimate: 1,500 employees

Service detail: Civil Engineering

Service: Air QualityService: Civil EngineeringService: One Of Cec's Four Founding PracticesIndustry: ManufacturingIndustry: MiningType: Civil Engineering+31 more

Compass Infrastructure Group, LLC

Columbus, OH

Compass Infrastructure Group, LLC is a civil engineering design and project management practice based in Columbus, Ohio. It specializes in bridge and retaining-wall design, roadway and drainage design, traffic signal and system design, bridge and culvert inspection, survey and right-of-way plans, traffic studies, constructability analysis, maintenance of traffic, interchange studies, pedestrian and bicycle facilities, and transportation-related services.

WebsitePhone3 offices5 leadersFounded 2020Updated Jun 2026

Service detail: Bridge and Structural Engineering

Service: Bridge and Structural EngineeringService: Structural Bridge DesignService: Retaining Wall Structural EngineeringIndustry: TransportationIndustry: BridgesType: Civil Engineering+25 more

DHDC Engineering Consulting Services, Inc.

Columbus, OH

Providing cost-effective solutions to your engineering needs.

WebsitePhone2 offices15 projects4 leaders7 credentialsSize Estimate: 20+ employees

Project: City of Columbus Pump Station

Service: Geotechnical EngineeringService: Soil Borings and Subsurface InvestigationsService: Foundation, Retaining Structure, and Tunnel DesignIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+19 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

Dynotec Inc

Columbus, OH

Trusted to Build What's Next

WebsitePhone5 offices4 projects13 leaders1 credentialsFounded 1990

Project: Youngstown Air Reserve Station Hanger Renovation

Service: ArchitectureService: ADA ComplianceService: BIM ModelingIndustry: CommercialIndustry: FederalType: Architecture & Engineering+37 more

E.L. Robinson Engineering Co.

Charleston, WV

Innovative Civil Engineering Firm

WebsitePhone8 offices6 projects1 leaders2 credentialsFounded 1978

Project: CUY-490/010-2.09/19.28 Opportunity Corridor 3

Service: Bridge & Structural EngineeringService: Construction Services & Alternative DeliveryService: Geotechnical EngineeringIndustry: TransportationIndustry: BridgesType: Civil Engineering+29 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

Engineering Economics, Inc.

Lakewood, CO

Building Performance: Commissioning & Sustainability Experts

WebsitePhone11 offices7 projects8 leaders3 credentials3 publications

Project: Princeton University High-Performance Central Utility Plant

Service: Building CommissioningService: New Construction VerificationService: Existing Building & Retro-CommissioningIndustry: CommercialIndustry: Mixed-UseType: Forensic Engineering+35 more

Engineering Mechanics Corporation of Columbus

Columbus, OH

Providing Materials, Structural Integrity and Reliability Solutions Through Innovative Engineering

Website1 office3 leaders2 credentialsFounded 1998Size Estimate: 12 employeesUpdated Jun 2026

Service detail: Structural and Pipeline Integrity Analysis

Service: Structural and Pipeline Integrity AnalysisService: Pipeline Integrity and Safety AssessmentService: Structural Integrity of Metallic and Polymer ComponentsIndustry: NuclearIndustry: Oil & GasType: Structural Engineering+20 more

Environmental Design Group

Akron, OH

The Community Impact People

WebsitePhone6 offices4 projects8 leadersFounded 1984Size Estimate: 50-199 employees

Project: Charles Mill Lake Park

Service: Site DevelopmentService: Master PlanningService: Civil EngineeringIndustry: GovernmentIndustry: TransportationType: Civil Engineering+26 more

Envista Forensics

Chicago, IL

The Face Of Certainty In A Complex World

WebsitePhone13 offices8 projects1 leadersFounded 1989Updated Jun 2026

Project: Robotic Paint Line Fire - Asia

Service: Forensic EngineeringService: Electrical Failure AnalysisService: Mechanical Failure AnalysisIndustry: InsuranceIndustry: LegalType: Forensic Engineering+14 more