Public engineering firm directory

Find engineering consulting firms by capability and location.

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Edge Consulting Engineers, Inc.

Prairie du Sac, WI

Reliable, comprehensive and exceeding expectations

WebsitePhone2 offices4 leadersFounded 2002Size Estimate: 70+ employeesUpdated Jun 2026

Service detail: Civil Engineering & Landscape Architecture

Service: Civil Engineering & Landscape ArchitectureService: Civil EngineeringService: Landscape ArchitectureIndustry: TelecommunicationsIndustry: GovernmentType: Civil Engineering+20 more

Edifica USA

Lake Forest, CA

Multi-discipline geotechnical, structural, and environmental engineering services

WebsitePhone2 offices1 projectsUpdated Jun 2026

Project: SPLA Port

Service: Geotechnical EngineeringService: Geotechnical Design and AnalysisService: Subsurface Exploration for InfrastructureIndustry: Ports & HarborsIndustry: Highways & RoadsType: Geotechnical Engineering+40 more

Frank H. Lehr Associates

Frank H. Lehr Associates is a New Jersey-based multi-discipline consulting civil engineering firm founded in 1957. With over 10,000 completed projects, it provides geotechnical investigation, site design, structural engineering, construction materials testing, and pavement engineering services primarily across the New Jersey, New York, and Pennsylvania region, serving architects, engineers, developers, municipalities, and private clients.

WebsiteFounded 1957Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface investigation and soil boringsService: Laboratory testing of soilsIndustry: GovernmentIndustry: CommercialType: Civil Engineering+25 more

French & Parrello Associates, P.A.

Wall, NJ

Engineering and Consulting Since 1974

Website1 office2 projects10 leaders19 credentialsFounded 1974Size Estimate: 250-999 employees

Project: Newton Avenue (CR 604) Signal and Alignment Improvement Project

Service: Civil and Site EngineeringService: Land DevelopmentService: Land SurveyingIndustry: CommercialIndustry: EducationType: Civil Engineering+39 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

GSG Consultants, Inc.

Schaumburg, IL

Shaping the Midwest Since 1992

WebsitePhone2 offices2 leaders1 credentialsFounded 1992Size Estimate: 100-499 employees

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Natural ResourcesService: NEPA and Regulatory ComplianceIndustry: BridgesIndustry: EducationType: Civil Engineering+38 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

George F Young Inc

St. Petersburg, FL

Turning Vision into Reality

WebsitePhone2 offices4 leadersFounded 1919Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Drainage and Sewer System DesignService: Grading PlansIndustry: CommercialIndustry: EducationType: Civil Engineering+53 more

Gessner Engineering

College Station, TX

Gessner Engineering provides civil engineering, structural engineering, geotechnical engineering, construction materials testing, and land surveying services. Founded in 2003 and headquartered in College Station, the practice supports public, private, and municipal clients from additional offices in Fort Worth and San Antonio. It utilizes modern technologies, such as integrated GNSS networks and unmanned aerial flight systems, to deliver sustainable and purposeful infrastructure across Texas.

Website3 offices10 projectsFounded 2003Updated Jun 2026

Project: New Braunfels Fire Station No. 7

Service: Civil EngineeringService: Site DevelopmentService: Infrastructure ImprovementsIndustry: GovernmentIndustry: Public SafetyType: Civil Engineering+32 more

Goodwin Lasiter Inc

Lufkin, TX

Improving Texas Communities Since 1983

WebsitePhone5 offices2 projects7 leadersFounded 1983Updated Jun 2026

Project: Marshall ISD CTE Addition to High School

Service: ArchitectureService: Educational FacilitiesService: Religious FacilitiesIndustry: CommercialIndustry: EducationType: Architecture & Engineering+53 more

Green Site Design, LLC

Norwich, CT

Civil engineering with a sustainable approach

WebsitePhone1 office1 leaders4 credentialsFounded 2009Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Feasibility StudiesService: Storm Water ManagementIndustry: CommercialIndustry: IndustrialType: Civil Engineering+28 more

HCL Engineering & Surveying, LLC

Centennial, CO

Pursuing Excellence Together

WebsitePhone2 offices3 projects5 leaders4 credentialsFounded 1999

Project: Red Rocks Park and Amphitheatre Survey and Drone Mapping

Service: Civil EngineeringService: Site Design and DevelopmentService: Roadway and Drainage DesignIndustry: AirportsIndustry: AviationType: Civil Engineering+28 more

HighSpans Engineering, Inc.

Fort Myers, FL

Where Structural Design Meets Construction Engineering

WebsitePhone1 office5 projects18 credentialsUpdated Jun 2026

Project: Big Carlos Pass Bridge Replacement

Service: Structural EngineeringService: Major Bridge DesignService: Minor Bridge DesignIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+26 more

Hurst-Rosche, Inc.

Hillsboro, IL

Founded in 1937 and headquartered in Hillsboro, Illinois, Hurst-Rosche is a total in-house, multi-discipline architecture and engineering practice with six offices across Illinois, Missouri, and Tennessee. Bringing together architecture, civil, structural, mechanical, electrical, geotechnical, environmental, and surveying capabilities under one roof, it delivers planning, design, and construction-related services on projects ranging from school performing arts centers and water treatment plants to transportation infrastructure and institutional facilities. Projects have earned Illinois Capital Development Board Thomas Madigan Awards, AIA Design Awards, and ACEC Excellence Awards.

WebsitePhone6 offices6 projects3 leaders4 credentialsFounded 1937

Project: Murphysboro High School Performing Arts Center

Service: ArchitectureService: Educational Facility DesignService: Government & Institutional Facility DesignIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+37 more

IMEG Corp

Engineering. Planning. Consulting.

Website7 projects3 credentials4 publicationsSize Estimate: 3,000 employeesUpdated Jun 2026

Project: Rockford Public Library

Service: Building Design: Engineering & PlanningService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: AviationType: MEP+45 more

Jones Petrie Rafinski

South Bend, IN

Your Single Source

WebsitePhone2 offices5 projects1 leadersUpdated Jun 2026

Project: UPMC Park Renovations

Service: ArchitectureService: Municipal BuildingsService: Institutional FacilitiesIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+55 more

KC Engineering and Land Surveying, P.C.

New York, NY

A Diversified, Multi-Disciplined Consulting Engineering Firm

WebsitePhone3 offices1 projects2 credentialsSize Estimate: 100-200 employeesUpdated Jun 2026

Project: NYSDOT I-81 Viaduct Phase 1, Contract 2

Service: Civil EngineeringService: Site Grading and EarthworkService: Drainage and Stormwater ManagementIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+42 more

Kaskaskia Engineering Group, LLC

Belleville, IL

Exceptional, innovative, and comprehensive engineering and contracting solutions

WebsitePhone1 office5 projects2 leadersUpdated Jun 2026

Project: Troy O'Fallon Road Bridge Replacement

Service: Civil EngineeringService: Comprehensive Civil DesignService: Planning Services Tailored To MunicipalIndustry: GovernmentIndustry: FederalType: Civil Engineering+67 more

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 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

McClelland Consulting Engineers

Little Rock, AR

Designing A Better World

WebsitePhone5 offices2 projects1 credentialsFounded 1963Size Estimate: 150-199 employees

Project: Arkansas Children's Hospital Northwest

Service: Water/Wastewater EngineeringService: Transportation & Stormwater ManagementService: Transportation planningIndustry: TransportationIndustry: AviationType: Civil Engineering+30 more

Merrick & Company

Greenwood Village, CO

Engineering, Architecture, Geospatial.

WebsitePhone28 offices8 projects2 leaders1 credentialsFounded 1954

Project: Frozen Food Production Facility Master Planning

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AerospaceIndustry: Power GenerationType: Architecture & Engineering+46 more

Modern Custom Design, LLC

Indian Harbour Beach, FL

Creating a Modernized Approach to Civil Engineering and Construction for Your Project

Website1 office2 credentialsFounded 2009Updated Jun 2026

Service detail: Professional Engineering Design

Service: Professional Engineering DesignService: Civil EngineeringService: Geotechnical EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+23 more

Narragansett Engineering Inc.

Portsmouth, RI

Narragansett Engineering Inc. (NEI) is a civil engineering and land surveying practice headquartered in Portsmouth, Rhode Island, serving residential, commercial, and institutional clients throughout southern New England. Founded in 1985 by Kamal Hingorany, PE, PLS, and Bob Mastin, NEI operates under second-generation leadership with Neal Hingorany, MS, PLS, serving as President since 2018. NEI offers civil site design, land surveying, structural consulting, environmental permitting, and design services, combining four decades of regional experience with GPS-controlled UAV surveying, 3D point cloud mapping, and AutoCAD 3D design. Its team navigates RIDEM, CRMC, and other local and state regulatory agencies while applying low-impact development and flood-resilient design approaches.

WebsitePhone1 office6 projects5 leadersFounded 1985Updated Jun 2026

Project: Structural engineering at MLK Center, Newport, RI

Service: Civil EngineeringService: Site and building layouts, zoning and planningService: Subdivisions, condominiums and roadsIndustry: ResidentialIndustry: CommercialType: Civil Engineering+29 more