Public engineering firm directory

Find engineering consulting firms by capability and location.

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Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leadersFounded 1993Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Environmental EngineeringIndustry: Oil & GasIndustry: ManufacturingType: Civil Engineering+26 more

Chen Moore And Associates Inc

Fort Lauderdale, FL

A History of Engineering Success

WebsitePhone15 offices8 projects3 leaders2 credentialsFounded 1986

Project: City of Fort Lauderdale Emergency Bypass 48" Forcemain

Service: Civil EngineeringService: Water Resources EngineeringService: Water and Wastewater SystemsIndustry: Water ResourcesIndustry: Water SupplyType: Civil Engineering+25 more

Civil Services, Inc.

Jacksonville, FL

Civil Services, Inc. (CSI) is a multi-disciplined civil engineering consulting practice founded in 1989. Based in Jacksonville, Florida, CSI provides roadway design, bridge design, structural engineering, water resources, civil site design, program management, and construction engineering and inspection (CEI) services to public and private clients. CSI supports federal, state, county, and city agencies throughout the Southeastern United States and the Caribbean.

WebsitePhone4 offices2 leaders10 credentialsFounded 1989Size Estimate: 1-25 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Civil site designService: Site developmentIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+46 more

Delon Hampton & Associates, Chartered

Washington, DC

Engineering is our practice. Commitment to excellence is our passion.

WebsitePhone5 offices10 projects8 leaders12 credentialsFounded 1973

Project: DC Water Clean Rivers

Service: Civil EngineeringService: Site Design and FeasibilityService: Infrastructure Evaluation and DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+27 more

GEI Consultants, Inc.

New York City, NY

Relentless seekers of the best solutions.

Website4 offices13 projects6 leaders3 credentialsUpdated Jun 2026

Project: Royse City, Texas Drainage Master Plan

Service: Geotechnical EngineeringService: Geostructural DesignService: Building Envelope ServicesIndustry: Water ResourcesIndustry: Water SupplyType: Geotechnical Engineering+40 more

Galloway & Company, LLC

Greenwood Village, CO

Nationally recognized. Locally preferred.

WebsitePhone16 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: Future Legends Sports Complex

Service: ArchitectureService: New ConstructionService: Renovation & ExpansionIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+48 more

Lowe Engineers

Atlanta, GA

Engineering Excellence Since 1957

WebsitePhone3 officesFounded 1957Updated Jun 2026

Service detail: Geospatial

Service: Civil EngineeringService: GeospatialService: Traffic & TransportationIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+11 more

Martin/Martin, Inc.

Denver, CO

Structures that Inspire

WebsitePhone9 offices4 leaders1 credentialsFounded 1946Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Bridge Design & InspectionService: Mass Timber DesignIndustry: HealthcareIndustry: EducationType: Structural Engineering+14 more

Planners & Engineers Collaborative+, LLC

Atlanta, GA

Solutions That Do More

Website1 office8 projects4 leadersFounded 1964Size Estimate: 90+ employeesUpdated Jun 2026

Project: Overture Powers Ferry

Service: Civil EngineeringService: Comprehensive Civil Engineering Solutions Spanning Site DevelopmentService: GradingIndustry: Mixed-UseIndustry: Multifamily ResidentialType: Architecture & Engineering+33 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

Robert and Company

Atlanta, GA

Robert and Company is a multidisciplinary engineering, architecture, and planning practice founded in 1917. Headquartered in Atlanta, Georgia, it delivers comprehensive planning, landscape architecture, and engineering services across the aviation, municipal, military, and industrial sectors. With a history of regional and global projects, the practice handles complex facilities from master planning through construction administration.

Website1 office26 projects3 credentialsFounded 1917Updated Jun 2026

Project: New Sohar Airport Terminal

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: DefenseType: Civil Engineering+31 more

S.L. King & Associates, Inc.

Atlanta, GA

Innovative Minds. Sustainable Outcomes. Built on Service.

WebsitePhone1 office10 projects13 leaders7 credentialsFounded 1996

Project: Big Creek Water Treatment Plant

Service: MEP EngineeringService: Mechanical Systems DesignService: Electrical Systems DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+30 more

Salas O'Brien

Aiken, SC

Engineered for Impact

WebsitePhone12 offices2 projects5 leaders5 credentialsSize Estimate: 1,000+ employees

Project: Wake Tech East Campus

Service: Built EnvironmentService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: Automation & Controls+37 more

Sherwood Design Engineers

San Francisco, CA

Committed to the integration of infrastructure, design, and the environment.

Website8 offices9 projects6 leaders6 credentials5 publicationsSize Estimate: 100-250 employees

Project: Theodore Roosevelt Presidential Library

Service: Civil EngineeringService: Site grading and drainage designService: Utility infrastructure designIndustry: Parks & Open SpaceIndustry: EducationType: Civil Engineering+52 more

Spring Engineering, Inc.

Holiday, FL

We put the details together, so our projects stand apart.

WebsitePhone2 offices5 projects1 leaders4 credentialsFounded 1988

Project: Tampa Family Health Centers - Bearss Avenue

Service: ArchitectureService: Architectural DesignService: Landscape ArchitectureIndustry: HealthcareIndustry: AutomotiveType: Architecture & Engineering+19 more

W&A Engineering

Athens, GA

Improving communities with innovative design, effective and efficient engineering, and professional service.

WebsitePhone5 offices6 projectsFounded 1999Size Estimate: 70 employeesUpdated Jun 2026

Project: Nissan Stadium

Service: Civil EngineeringService: Transportation & Traffic EngineeringService: Land SurveyingIndustry: GovernmentIndustry: TransportationType: Civil Engineering+17 more

Woolpert

Beavercreek, OH

Global resources. End-to-end solutions. Innovative results.

WebsitePhone8 offices3 projects8 leaders9 credentialsFounded 1911

Project: USACE I-ATLAS Coastal Mapping and Nautical Charting

Service: ArchitectureService: Mission-Critical ArchitectureService: Education Facility ArchitectureIndustry: AviationIndustry: AirportsType: Architecture & Engineering+48 more

exp Federal Inc.

Chicago, IL

Architecture + Engineering | Construction | Mission Support

Website5 offices9 projects1 credentialsFounded 2012Size Estimate: 250-500 employeesUpdated Jun 2026

Project: Fish Dispersal Barrier

Service: ArchitectureService: Master PlanningService: Facilities ProgrammingIndustry: DefenseIndustry: FederalType: Architecture & Engineering+45 more