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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A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

Encorus Group Engineering, P.C.

Springville, NY

Design, Build, and Sustain a Better World

WebsitePhone5 offices5 projects7 leaders4 credentialsFounded 1996

Project: West Valley Demonstration Project

Service: Engineering and Architectural DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+46 more

Haley Ward, Inc.

Bangor, ME

Engineering | Environmental | Architecture | Surveying | Planning

WebsitePhone1 office5 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Master PlanningService: Space PlanningIndustry: GovernmentIndustry: EducationType: Civil Engineering+76 more

The GEL Group, Inc.

Charleston, SC

Quality service. Technical expertise.

WebsitePhone1 office5 leadersFounded 1981Updated Jun 2026

Service detail: Environmental Consulting (GEL Engineering LLC)

Service: Environmental Consulting (GEL Engineering LLC)Service: Environmental Assessment and RemediationService: PFAS Consulting and Field SamplingIndustry: Environmental & RemediationIndustry: IndustrialType: Civil Engineering+25 more