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.

Filters2

Dulles Engineering, Inc.

Sterling, VA

Your Trusted Partner in Quality Control & Geotechnical Solution

WebsitePhone1 office8 projects1 leaders7 credentialsFounded 2017

Project: New Frederick Douglass Memorial Bridge and Suitland Parkway / I-295 Interchange

Service: Geotechnical EngineeringService: Construction Materials TestingService: Laboratory TestingIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+6 more

Dulles Geotechnical and Materials Testing Services, Inc.

Chantilly, VA

Geotechnical engineering, construction inspection, materials testing, and software solutions

WebsitePhone4 offices10 projects7 credentialsFounded 2012Size Estimate: 70+ employees

Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Service: Geotechnical EngineeringService: Engineering Analysis and DesignService: Foundation DesignIndustry: Highways & RoadsIndustry: TransitType: Geotechnical Engineering+36 more

Hillis-Carnes Engineering Associates

Annapolis Junction, MD

Your Foundation for Success

WebsitePhone21 offices7 projects3 leaders3 credentialsFounded 1993

Project: Anthem House Luxury Residential Development

Service: Geotechnical EngineeringService: Subsurface investigations and soil boringsService: Foundation design recommendationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+56 more

McCallum Testing Laboratories

Chesapeake, VA

Serving Individuals, Businesses, and Governmental Organizations Since 1928

WebsitePhone1 office20 projects8 leadersFounded 1928Size Estimate: 11-50 employees

Project: The Tide Light Rail Transit System

Service: Geotechnical EngineeringService: DrillingService: Field Inspection and TestingIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

Mueser Rutledge Consulting Engineers

New York, NY

Built on firm foundations

WebsitePhone3 offices8 projects11 leaders16 credentials5 publications

Project: One World Trade Center

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Earthquake EngineeringIndustry: BridgesIndustry: CommercialType: Geotechnical Engineering+41 more

Triad Engineering, Inc.

Scott Depot, WV

Triad Listens, Designs & Delivers.

Website10 officesFounded 1975Size Estimate: 100-249 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Grading and Development PlansService: Stormwater ManagementIndustry: CommercialIndustry: ResidentialType: Civil Engineering+109 more