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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ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects8 leaders6 credentialsFounded 1991

Project: Arney's Mount West Trail

Service: Civil/Site EngineeringService: Coastal EngineeringService: Flooding and ResiliencyIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+28 more

Coterie Environmental LLC

King of Prussia, PA

Leading the Way in Combustion and Air Pollution Control

Website1 office2 leaders1 credentialsFounded 2008Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Regulatory Gap Analysis

Service: Regulatory Gap AnalysisService: Conceptual Design SelectionService: Air Pollution Control Concept DevelopmentIndustry: ManufacturingIndustry: GovernmentType: Environmental Engineering+14 more

I S Group Inc

Bloomington, MN

A Different Approach to Architecture + Engineering

WebsitePhone18 offices12 projects4 credentialsFounded 1973Size Estimate: 200+ employees

Project: Le Mars Community School District New Elementary School

Service: ArchitectureService: Space PlanningService: Facility DesignIndustry: Arts & CultureIndustry: CommercialType: Architecture & Engineering+27 more

Liberty Environmental, Inc.

Reading, PA

Providing Innovative Solutions to Complex Environmental Problems

WebsitePhone5 offices4 leaders3 credentials1 publicationsFounded 2004

Service detail: Regulatory Compliance

Service: Regulatory ComplianceService: Air PermittingService: SPCC Plan Development and UpdatesIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+48 more

McCormick Taylor

Philadelphia, PA

Our work moves people. Our people move us.

Website16 offices15 projects24 leaders8 credentialsFounded 1946Updated Jun 2026

Project: Penrose Roundabout

Service: Roadway & Transportation EngineeringService: Highway DesignService: Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+44 more

Nave Newell

Wayne, PA

Excellence. Engineered.

WebsitePhone2 offices4 projectsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: King of Prussia Mall

Service: Civil EngineeringService: Due DiligenceService: Subdivision DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+70 more

Pennoni

Philadelphia, PA

Partners for What's Possible

Website1 office5 projects6 leaders6 credentials2 publicationsFounded 1966

Project: I-95 Central Access Philadelphia (CAP)

Service: Civil/SiteService: Site Planning & Land DevelopmentService: Permitting & EntitlementIndustry: CommercialIndustry: RetailType: Civil Engineering+136 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

Schock Group LLC

Conshohocken, PA

Providing Land Development Expertise from Concept to Construction.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering & Site Design

Service: Civil Engineering & Site DesignService: Site Development PlanningService: Stormwater Management SystemsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+27 more