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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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

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

Chapman Technical Group

St. Albans, WV

Chapman Technical Group is a full-service engineering, architectural, landscape architectural, and geospatial consulting firm founded in 1984 by Harvey R. Chapman. Operating from offices in St. Albans and Buckhannon, West Virginia, it has built a reputation for high-quality design delivered on schedule and within budget, earning recognition from the American Council of Engineering Companies, the American Institute of Architects, the American Society of Landscape Architects, and the West Virginia Department of Transportation. Acquired by the Lexington, Kentucky-based A/E firm GRW in 2013, the practice now offers multidisciplinary services spanning water and wastewater infrastructure, transportation, aviation, recreation, and civic facilities across West Virginia and the broader region.

WebsitePhone2 offices8 projects2 leaders25 credentialsFounded 1984

Project: Glade Creek Water Treatment Plant

Service: EngineeringService: Civil EngineeringService: Water & Wastewater SystemsIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+25 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

GRW Engineers, Inc.

Lexington, KY

engineering | architecture | geospatial

WebsitePhone8 offices10 projects7 leaders13 credentialsFounded 1964

Project: LFUCG Town Branch 22 MG Wet Weather Flow Storage and 56 MGD Pumping Facilities

Service: Water and Wastewater EngineeringService: Water Treatment Plant DesignService: Wastewater Treatment Plant DesignIndustry: GovernmentIndustry: DefenseType: Architecture & Engineering+39 more

Herbert, Rowland & Grubic, Inc.

Harrisburg, PA

Engineering | Planning | Infrastructure Solutions

Website9 offices7 leaders3 credentialsFounded 1962Size Estimate: 400+ employeesUpdated Jun 2026

Service detail: Municipal Engineering

Service: Municipal EngineeringService: Municipal RepresentationService: Capital Improvement Planning & DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+96 more

J.B. Turman Engineering PLLC

Barboursville, WV

Providing high-quality transportation, infrastructure, and site development-related engineering services.

WebsitePhone1 office3 projects5 leaders2 credentialsFounded 2010

Project: South Branch Valley Railroad Bridge Replacement

Service: Highway & Bridge EngineeringService: Highway DesignService: Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

L.A. Gates Company

Beckley, WV

We Live Here, We Work Here, We Support Here.

WebsitePhone3 offices7 leadersFounded 1985Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Bridge DesignService: Roadway DesignIndustry: MiningIndustry: TransportationType: Civil Engineering+24 more

Larson Design Group, Inc.

Williamsport, PA

National Presence. Hyper-Local Focus.

WebsitePhone18 offices4 leadersFounded 1986Updated Jun 2026

Service detail: Civil Engineering

Service: Architecture & Interior DesignService: Civil EngineeringService: Site/Land DevelopmentIndustry: CommercialIndustry: EducationType: Architecture & Engineering+78 more

Mackin Engineering

Pittsburgh, PA

Civil engineering, transportation, land development, and facilities consulting

WebsitePhone4 offices6 projectsFounded 1960Updated Jun 2026

Project: Leechburg Bridge Inspection

Service: Transportation EngineeringService: Structural InspectionService: Structural Engineering DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+22 more

Martin Engineering, PLLC

Hurricane, WV

Martin Engineering, PLLC is a West Virginia civil engineering consulting firm headquartered in Hurricane with a materials testing laboratory in Huntington. The practice delivers transportation and structural engineering design, construction inspection, and materials testing for public and private infrastructure projects statewide, including roadway, bridge, retaining wall, and site development work.

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Bridge DesignService: Roadway DesignIndustry: TransportationIndustry: BridgesType: Civil Engineering+31 more

Navarro & Wright Consulting Engineers, Inc.

New Cumberland, PA

Delivering High Quality, Efficient Transportation Solutions

WebsitePhone7 offices4 projects5 leaders13 credentialsFounded 1996

Project: Pittsburgh International Airport Terminal Modernization

Service: Transportation EngineeringService: Highway & Bridge DesignService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+46 more

RESPEC Company LLC

Rapid City, SD

Practical Outcomes From Complex Challenges

WebsitePhone19 offices3 leadersUpdated Jun 2026

Service detail: Infrastructure Resiliency and Modernization

Service: Infrastructure Resiliency and ModernizationService: Transportation NetworksService: Water SystemsIndustry: MiningIndustry: TransportationType: Civil Engineering+43 more

Randolph Engineering

Scott Depot, WV

Turning your dreams into reality.

WebsitePhone1 office3 leaders3 credentialsFounded 1976Updated Jun 2026

Service detail: Surveying

Service: SurveyingService: Municipal EngineeringService: Wastewater treatment plant upgradesIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+30 more

The EADS Group, Inc.

Altoona, PA

Designing for the Future...

WebsitePhone9 offices8 projects4 credentialsFounded 1955Updated Jun 2026

Project: Ligonier Diamond Renaissance Project

Service: Water and WastewaterService: Wastewater Treatment & UpgradesService: Water Storage & Treatment SystemsIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+61 more

The Markosky Engineering Group Inc

Ligonier, PA

Powerful Solutions. Innovative Designs.

WebsitePhone3 offices6 projectsFounded 1999Size Estimate: 100-499 employeesUpdated Jun 2026

Project: New Kensington Bridge Preservation

Service: Civil EngineeringService: RoadwayService: StructuresIndustry: GovernmentIndustry: FederalType: Civil Engineering+16 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

Thompson & Litton, Inc.

Wise, VA

Integrity. Insight. Innovation.

WebsitePhone9 offices3 projects7 leaders2 credentialsFounded 1956

Project: EO of SWVA Adaptive Reuse Project

Service: ArchitectureService: Designs FunctionalService: EfficientIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+29 more

White Brothers Consulting, LLC

Charleston, WV

Engineering and Surveying

WebsitePhone1 office5 projects2 leaders1 credentialsFounded 2011

Project: I-40 Widening - Levy Bridges

Service: Civil EngineeringService: Site DevelopmentService: Roadway DesignIndustry: Oil & GasIndustry: MiningType: Civil Engineering+20 more

Whitman Requardt Associates Llp

Baltimore, MD

People Focused - Project Driven

Website28 officesFounded 1915Updated Jun 2026
Service: TransportationService: Building DesignService: Water and WastewaterIndustry: Environmental & RemediationIndustry: MarineType: Architecture & Engineering+12 more