Public engineering firm directory

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Joseph B. Callaghan, Inc.

Philadelphia, PA

Your Structure. Our Solution.

WebsitePhone2 offices14 projects4 leaders6 credentialsFounded 1967

Project: St. Patricks Rittenhouse Square Facade & Roof Rehabilitation

Service: Building EnvelopesService: Facade Assessment and RepairService: Historic RestorationIndustry: EducationIndustry: CommercialType: Structural Engineering+19 more
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Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more
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Penn Valley Engineering

Philadelphia, PA

Structural Engineering & Consultants

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering Evaluations

Service: Structural Engineering EvaluationsService: Structural Framing Investigations and DesignService: Foundation Investigations and DesignIndustry: ResidentialIndustry: CommercialType: Structural Engineering+7 more
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WNA Engineering, Inc.

Portersville, PA

WNA Engineering, Inc. is an MEP engineering firm with offices in Pennsylvania, providing full-service engineering design, commissioning, energy consulting, 3D laser scanning, investigative engineering, studies and narratives, and construction administration for commercial, retail, healthcare, and educational clients. WNA is licensed in 40 or more US states and is a member firm of the Investigative Engineers Association.

WebsitePhone3 offices1 credentialsUpdated Jun 2026

Service detail: MEP Engineering Design

Service: MEP Engineering DesignService: CommissioningService: Energy ConsultingIndustry: CommercialIndustry: RetailType: MEP+7 more
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