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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Airport Design Consultants, Inc.

Columbia, MD

A focused leader in Aviation Consulting Services since 2006

Website8 offices4 leaders15 credentialsFounded 2006Updated Jun 2026
Service: Airfield DesignService: Airport PlanningService: Terminal & Landside DesignIndustry: AirportsIndustry: AviationType: Aviation Engineering+4 more

Decota Consulting Company, Inc.

Cross Lanes, WV

Decota Consulting Company, Inc. is an environmental engineering practice based in Cross Lanes, West Virginia, serving landowners, government agencies, nonprofits, and private industry throughout the Appalachian region since 1996. Its engineers and scientists bring expertise in ecology, hydrology, environmental engineering, and regulatory permitting. Decota supports baseline assessments, design, permitting, construction oversight, implementation, and post-construction monitoring, with an established track record working alongside federal, state, and local regulatory agencies.

WebsitePhone1 office3 projectsFounded 1996Updated Jun 2026

Project: AML North Contract 6 EA and Construction Management

Service: Environmental EngineeringService: Mine Site Layout DesignService: Geologic Modeling and Reserve AnalysisIndustry: Environmental & RemediationIndustry: Natural ResourcesType: Environmental Engineering+27 more

Dieffenbauch & Hritz, LLC

Morgantown, WV

Accepting challenges, developing solutions, delivering results

WebsitePhone4 offices1 projectsUpdated Jun 2026

Project: King Coal Highway (Red Jacket Section)

Service: Civil EngineeringService: Site engineering and permittingService: Road and access designIndustry: Oil & GasIndustry: Land DevelopmentType: Civil Engineering+21 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

Integrity Federal Services

Martinsburg, WV

Integrity Federal Services is a civil engineering and landscape architecture firm headquartered in Martinsburg, West Virginia, with a second office in Beachwood, Ohio. Its engineering practice covers private-sector site development projects near its office locations and large public-sector infrastructure projects delivered nationwide. Planning, landscape architecture, and construction management complete its service offering, guiding clients from early regulatory navigation through owner-side construction oversight.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: PlanningService: Landscape ArchitectureIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+2 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&W Enterprises, Inc.

Petersburg, WV

We Are Committed to Excellence.

WebsitePhone1 office6 leadersFounded 1969Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary and Property SurveysService: Construction StakeoutIndustry: AgricultureIndustry: Oil & GasType: Civil Engineering+26 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

Solid Ground Engineering

Charleston, WV

Solid Ground Engineering (SGE) is a consulting engineering and inspection practice based in Charleston, West Virginia. A licensed professional engineer leads SGE structural consulting, forensic evaluation, and home inspection services for residential and light commercial clients. SGE is licensed to offer engineering consulting in West Virginia, Ohio, Kentucky, and North Carolina, and is certified to complete full home inspections in West Virginia. Services include real estate transaction support, claims-related engineering reports, and expert witness evaluations without treating those use cases as launch taxonomy industries.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Analysis of Residential and Light Commercial Buildings

Service: Structural Analysis of Residential and Light Commercial BuildingsService: Design of Repair for Structural ComponentsService: Design of New Structural ComponentsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+12 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

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