Public engineering firm directory

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Baskervill & Son, P.C.

Richmond, VA

Ask. Listen. Create.

Website7 offices3 leaders1 credentialsFounded 1897Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Space PlanningIndustry: HospitalityIndustry: HealthcareType: Architecture & Engineering+27 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

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

Galloway & Company, LLC

Greenwood Village, CO

Nationally recognized. Locally preferred.

WebsitePhone16 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: Future Legends Sports Complex

Service: ArchitectureService: New ConstructionService: Renovation & ExpansionIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+48 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

I S Group Inc

Bloomington, MN

A Different Approach to Architecture + Engineering

WebsitePhone18 offices12 projects4 credentialsFounded 1973Size Estimate: 200+ employees

Project: Le Mars Community School District New Elementary School

Service: ArchitectureService: Space PlanningService: Facility DesignIndustry: Arts & CultureIndustry: CommercialType: Architecture & Engineering+27 more

McGill Smith Punshon, Inc.

Cincinnati, OH

Creating Your Vision

WebsitePhone1 office6 projects7 leadersFounded 1856Updated Jun 2026

Project: Mount St. Mary's Seminary & School of Theology Piazza

Service: ArchitectureService: Architectural designService: Adaptive re-use evaluations and designIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+24 more

McKinley Architecture and Engineering

Wheeling, WV

Delivering successful projects through experience and innovation.

WebsitePhone7 offices5 credentialsUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: EngineeringService: Structural engineeringIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+20 more

Middough Inc.

Cleveland, OH

Engineering Project Solutions

Website4 offices10 projects29 credentialsFounded 1950Updated Jun 2026

Project: No. 4 BOF Gas Cleaning System

Service: Planning & ConsultingService: ConsultingService: PlanningIndustry: AgricultureIndustry: ChemicalsType: Architecture & Engineering+22 more

Pickering Associates Inc

Parkersburg, WV

Architecture. Engineering. Surveying.

WebsitePhone4 offices12 projectsUpdated Jun 2026

Project: CAMC Center for Learning and Research

Service: ArchitectureService: EngineeringService: Civil EngineeringIndustry: CommercialIndustry: EducationType: Architecture & Engineering+17 more

R.E. Warner & Associates

North Olmsted, OH

Engineers, Architects & Surveyors Dedicated to Your Operational Success

WebsitePhone2 offices10 projects6 credentials1 publicationsFounded 1951

Project: Sherwin-Williams Headquarters Tower - Construction Surveying

Service: Electrical EngineeringService: Power Distribution SystemsService: HV / MV / LV SystemsIndustry: Power GenerationIndustry: UtilitiesType: Architecture & Engineering+56 more

RS&H

Jacksonville, FL

Creating Tomorrow, Together.

Website74 offices3 leaders2 credentialsFounded 1941Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+25 more

SSOE Group

Toledo, OH

Designing and Building the Future, Today

Website11 offices2 projects10 leaders7 credentials2 publicationsFounded 1948

Project: Envisage Wealth Worthington Office Biophilic Design

Service: ArchitectureService: Cleanroom Facility DesignService: Interior Wayfinding and LayoutsIndustry: SemiconductorsIndustry: Energy StorageType: Architecture & Engineering+42 more

Sponseller Group, Inc.

Holland, OH

Sponseller Group, Inc. offers services as an architectural, structural, mechanical, and electrical engineering firm with established offices in Holland and Sidney, Ohio. Our company responsibility extends beyond projects by fostering a collaborative environment that enables our members to grow, expand their expertise, accumulate valuable experiences, and progress in leadership.

WebsitePhone2 offices1 credentialsFounded 1973Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural DesignService: Heavy Equipment FoundationsIndustry: ManufacturingIndustry: IndustrialType: Architecture & Engineering+20 more

The Thrasher Group, Inc.

Beckley, WV

Creating Stronger Communities

Website7 offices11 leadersFounded 1983Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: EngineeringService: Civil and Site EngineeringIndustry: CommercialIndustry: EducationType: Architecture & Engineering+27 more

Woolpert

Beavercreek, OH

Global resources. End-to-end solutions. Innovative results.

WebsitePhone8 offices3 projects8 leaders9 credentialsFounded 1911

Project: USACE I-ATLAS Coastal Mapping and Nautical Charting

Service: ArchitectureService: Mission-Critical ArchitectureService: Education Facility ArchitectureIndustry: AviationIndustry: AirportsType: Architecture & Engineering+48 more

ZMM Architects and Engineers

Charleston, WV

It's more than architecture, it's about building your legacy.

Website4 offices2 leaders10 credentialsFounded 1959Size Estimate: 70+ employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Building DesignService: Sustainable / Energy-Efficient DesignIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+22 more