Public engineering firm directory

Find engineering consulting firms by capability and location.

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AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

AWK Consulting Engineers, Inc.

Turtle Creek, PA

Quality, innovative, and cost-effective consulting engineering solutions

WebsitePhone2 offices4 leadersSize Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Drilling ServicesService: Pavement Evaluation & RehabilitationIndustry: GovernmentIndustry: FederalType: Civil Engineering+17 more

Azar Design Co PC

Buffalo, NY

Bridging grace and imagination with functionality while delivering pragmatic solutions.

WebsitePhone5 offices4 projects8 leaders2 credentialsFounded 1979

Project: Jacobs School of Medicine & Biomedical Sciences

Service: ArchitectureService: Architectural DesignService: Historic PreservationIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+112 more

BBIX, LLC

Boston, MA

Trusted Design and Engineering Solutions for Federal Projects

WebsitePhone3 offices1 credentialsUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: New construction designService: Building renovation and rehabilitationIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+29 more

C.S. Davidson, Inc.

York, PA

Engineering A Better Community

WebsitePhone3 offices7 projects3 leadersFounded 1923Size Estimate: 50-249 employees

Project: Memorial Park - Poorhouse Run Stream Restoration

Service: Municipal EngineeringService: Roadway & Street DesignService: Stormwater ManagementIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+26 more

Cintar Inc.

Glenshaw, PA

Multidisciplinary Engineering & Consulting Services

Website1 office1 projects7 credentials5 publicationsFounded 1983Size Estimate: 100+ employees

Project: ATI Shanghai STAL Project

Service: Civil & Structural EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: MetalsIndustry: Power GenerationType: Civil Engineering+31 more

EBA Engineering, Inc.

Laurel, MD

Results With No Excuses

WebsitePhone5 offices3 projects1 credentialsFounded 1981Updated Jun 2026

Project: HSWA Non-Revenue Water Tracking Project

Service: Civil / Site EngineeringService: Environmental EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+27 more

Erdman Anthony Holding Company Inc

Rochester, NY

We Are the Community That Builds Communities

WebsitePhone8 offices5 projects1 leaders3 credentialsFounded 1954

Project: PA Route 75 over Norfolk Southern Bridge Replacement

Service: Transportation EngineeringService: Bridge and Structure DesignService: Highway and Street DesignIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+66 more

GDI Engineering & Design

Erie, PA

Building Dreams, Crafting Realities

WebsitePhone4 officesUpdated Jun 2026

Service detail: MEP Design

Service: MEP DesignService: Mechanical DesignService: Electrical DesignIndustry: CommercialIndustry: ResidentialType: MEP+12 more

H & J International, PC

Philadelphia, PA

Knowledge-Based Engineers & Management Consultants

WebsitePhone3 offices3 leadersFounded 2002Size Estimate: 30+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Bridge DesignService: Roadway and Highway DesignIndustry: TransportationIndustry: BridgesType: Civil Engineering+19 more

Kapur & Associates, Inc.

Milwaukee, WI

No Job is Too Big.

Website11 offices6 projects1 leaders8 credentialsFounded 1981Updated Jun 2026

Project: I-43 North South Freeway

Service: TransportationService: PlanningService: Transportation DesignIndustry: TransportationIndustry: GovernmentType: Civil Engineering+64 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

Mackin Engineering

Pittsburgh, PA

Civil engineering, transportation, land development, and facilities consulting

WebsitePhone4 offices6 projectsFounded 1960Updated Jun 2026

Project: Leechburg Bridge Inspection

Service: Transportation EngineeringService: Structural InspectionService: Structural Engineering DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+22 more

Partner Engineering and Science, Inc.

Pasadena, CA

Engineers Who Understand Your Business

WebsitePhone17 offices7 projects11 leadersSize Estimate: 1,500+ employeesUpdated Jun 2026

Project: Adaptive Reuse of North Riverfront Historic Industrial Portfolio

Service: Building Assessments & EngineeringService: Property Condition Assessment ReportsService: Commercial Building InspectionIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+53 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

Primera Engineers, Ltd.

Chicago, IL

People-forward engineering design and consulting services

WebsitePhone5 offices4 projects16 leaders17 credentialsFounded 1987

Project: U.S. Navy Great Lakes Bachelor Enlisted Quarters

Service: Buildings EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: HealthcareType: Aviation Engineering+40 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

Stiffler McGraw

Hollidaysburg, PA

The Approach You Want. The Experience You Need.

WebsitePhone5 offices2 leadersFounded 1989Size Estimate: 70+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Water and Wastewater EngineeringService: Transportation EngineeringIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 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

Urban Engineers Inc

Philadelphia, PA

Be Part of Something Bigger

WebsitePhone14 offices7 projects7 leaders4 credentialsFounded 1960

Project: I-78/SR 61 Bridge Replacement and Interchange Reconstruction

Service: PlanningService: Multimodal Circulation PlanningService: Bicycle & Pedestrian PlanningIndustry: AviationIndustry: BridgesType: Civil Engineering+47 more