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.

Filters3

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

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998Size Estimate: 10-30 employeesUpdated Jun 2026

Service detail: Pavement Engineering

Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingService: Functional LCMS AssessmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+57 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

Barry Isett & Associates, Inc.

Allentown, PA

Multi-Discipline Engineers and Consultants

WebsitePhone12 offices4 leaders4 credentialsFounded 1977Size Estimate: 300 employees

Service detail: Design Services

Service: Design ServicesService: Civil Land DevelopmentService: Structural EngineeringIndustry: EducationIndustry: HealthcareType: Civil Engineering+32 more

Buchart Horn, Inc.

York, PA

Shaping the built environment with precision, creativity, and purpose since 1945

WebsitePhone9 offices6 projects4 leadersFounded 1945Size Estimate: 100-500 employees

Project: I-40/I-240 Interchange Improvements, Memphis, TN

Service: Water Resources EngineeringService: Wastewater treatment plant engineeringService: Water distribution and collection systemsIndustry: Water ResourcesIndustry: WastewaterType: Architecture & Engineering+41 more

Burns Engineering, Inc.

Philadelphia, PA

Partners in Reliability, Resilience, Innovation, Sustainability, and Safety

Website6 offices14 projects12 leaders15 credentials5 publicationsFounded 1960

Project: Pittsburgh International Airport Terminal Modernization Program

Service: Electrical EngineeringService: Power Infrastructure RenewalService: Campus Electrical ModernizationIndustry: AviationIndustry: RailType: Aviation Engineering+52 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

D&B Engineers and Architects, DPC

Woodbury, NY

A Legacy Engineered From A Vision

WebsitePhone7 offices8 projects20 leadersFounded 1965Size Estimate: 100-499 employees

Project: Atlantic County Utilities Authority Project

Service: ArchitectureService: Sustainable DesignService: BIM & Technology-Driven DesignIndustry: CommercialIndustry: EducationType: Architecture & Engineering+37 more

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projectsFounded 1989Size Estimate: 100-250 employeesUpdated Jun 2026

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Service: Civil EngineeringService: Structural EngineeringService: Survey and 3D ScanningIndustry: HealthcareIndustry: EducationType: Civil Engineering+20 more

GAI Consultants, Inc.

Indianapolis, IN

Transforming Ideas Into Reality®

WebsitePhone5 offices24 leaders4 publicationsFounded 1958Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact Analysis and NEPA DocumentationService: Permitting and Regulatory ComplianceIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+44 more

GFT Infrastructure, Inc.

Allentown, PA

Ingenuity That Shapes Lives

WebsitePhone5 offices4 leadersUpdated Jun 2026

Service detail: Transportation

Service: TransportationService: Roadway and Highway DesignService: Bridge DesignIndustry: TransportationIndustry: AviationType: Transportation Engineering+38 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

GeoTech Engineering, Inc.

Morrisdale, PA

Providing concise and cost-effective engineering solutions

WebsitePhone3 offices2 credentialsFounded 1996Updated Jun 2026

Service detail: Civil/Site Engineering

Service: Civil/Site EngineeringService: Commercial, Industrial and Retail Site DevelopmentService: Residential Site Feasibility StudiesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+39 more

Gibson-Thomas Engineering Co., Inc.

Latrobe, PA

Providing Quality Engineering Services For Over 100 Years

WebsitePhone8 offices4 projectsFounded 1916Size Estimate: 100-249 employeesUpdated Jun 2026

Project: SR 0160-022 Wellersburg Safety Improvements

Service: Transportation ServicesService: Roadway and Bridge DesignService: Hydrology and HydraulicsIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 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

Keystone Civil Group, Inc.

Scranton, PA

Reinforcing Your Vision

WebsitePhone1 office2 projects3 leadersUpdated Jun 2026

Project: Royersford Commons Apartments

Service: Structural EngineeringService: Modular Structural DesignService: Pre-Engineered Building FoundationsIndustry: CommercialIndustry: EducationType: Structural Engineering+63 more

LLI Engineering, Inc.

Pittsburgh, PA

Innovative Solutions in Architecture & Engineering Since 1910

WebsitePhone1 office12 projects9 leaders4 credentialsFounded 1910

Project: Pittsburgh International Airport Microgrid

Service: Electrical EngineeringService: Power Distribution SystemsService: Standby Generation and MicrogridsIndustry: CommercialIndustry: HealthcareType: MEP+39 more

Leake Engineering, LLC

Philadelphia, PA

Leake Engineering, LLC is a multi-discipline engineering consulting practice headquartered in Philadelphia, Pennsylvania, with licensure in all 50 states. Originating in 2007 on Leake Avenue in New Orleans near the Army Corps of Engineers district during post-Katrina rebuilding, the practice subsequently relocated its primary operations to the Greater Philadelphia area. It serves commercial, residential, multi-family, industrial, and government clients nationwide. Core services span structural engineering, civil engineering, geotechnical investigations, and field inspection services.

WebsitePhone3 offices1 leadersFounded 2007Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Facilities Maintenance and RepairService: Multi-family, Commercial, and Industrial DesignIndustry: CommercialIndustry: ResidentialType: Structural Engineering+28 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

McKim & Creed

Raleigh, NC

People Helping People Solve Complex Infrastructure Challenges

Website7 offices7 projects2 credentialsFounded 1984Size Estimate: 500-1,000 employeesUpdated Jun 2026

Project: City of Sarasota Lift Station 87

Service: Water & Wastewater EngineeringService: Water ManagementService: Wastewater ManagementIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+82 more

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

Modjeski and Masters, Inc.

Mechanicsburg, PA

One of the world's leading bridge engineering practices

WebsitePhone19 offices7 projects2 leaders2 credentialsFounded 1893

Project: Hawk Falls Bridge Replacement

Service: Bridge DesignService: Fixed Bridge DesignService: Movable Bridge DesignIndustry: BridgesIndustry: TransportationType: Structural Engineering+26 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