Public engineering firm directory

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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

Brindley Pieters & Associates, Inc.

Maitland, FL

Serving our clients for over 30 years.

WebsitePhone5 offices15 projects10 leaders7 credentialsFounded 1991

Project: Tampa International Airport

Service: AviationService: Taxiway DesignService: Apron DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+57 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

DEVITA

Atlanta, GA

Delivering Innovative Engineering Strategies to Ensure Project Success

WebsitePhone4 offices11 projects4 credentialsUpdated Jun 2026

Project: Cornell University North Campus Expansion

Service: MEPS EngineeringService: Mechanical & Plumbing EngineeringService: HVAC SystemsIndustry: CommercialIndustry: RetailType: MEP+22 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

Ewing-Dyess Railroad and Civil Engineering

Atlanta, GA

Railroad, civil, structural, and environmental engineering consulting

WebsitePhone1 office3 projects1 leadersUpdated Jun 2026

Project: US Metal Fabricators Rail Modernization

Service: Railroad EngineeringService: Rail Alignment PlanningService: Industrial Track DesignIndustry: RailIndustry: Freight & LogisticsType: Civil Engineering+20 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

HEAD of Engineering, LLC

Atlanta, GA

Structural Engineering Consulting, Property Condition Assessments, and Construction Expert Witness Services

WebsitePhone1 office7 projects1 leaders8 credentialsFounded 2016

Project: Seymour Johnson AFB Clinic

Service: Structural EngineeringService: Structural Engineering ConsultingService: Structural Peer ReviewsIndustry: AviationIndustry: AirportsType: Structural Engineering+30 more

InnoDez

Los Angeles, CA

Your One-Stop Shop for MEP and Structural Engineering

WebsitePhone8 offices5 projectsSize Estimate: 20-100 employeesUpdated Jun 2026

Project: MEP and Fire Protection for Triple Decker Multifamily Project

Service: Mechanical EngineeringService: Heating designService: Cooling designIndustry: CommercialIndustry: HealthcareType: Civil Engineering+72 more

KHAFRA Engineering Consultants, Inc.

Atlanta, GA

Evaluate - Solve - Deliver

WebsitePhone7 offices4 projects6 leaders10 credentialsFounded 1986

Project: Lincoln Park Green Infrastructure

Service: ArchitectureService: Architectural designService: Design/Build deliveryIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+71 more

Kheops Architecture Engineering Survey D P C

Atlanta, GA

Evaluate - Solve - Deliver

Website10 offices7 leaders2 credentialsFounded 1917Updated Jun 2026

Service detail: Construction Services

Service: ArchitectureService: Civil and Site EngineeringService: Construction ServicesIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+31 more

Knott Laboratory, LLC

Centennial, CO

Questions answered. Problems solved.

WebsitePhone9 offices2 projects3 credentials5 publicationsFounded 1982

Project: ADA Ramp Design

Service: Structural EngineeringService: Civil EngineeringService: Accident ReconstructionIndustry: LegalIndustry: InsuranceType: Forensic Engineering+25 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

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

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

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

SE Group

Atlanta, GA

Structural engineering for real-world buildings.

WebsitePhone3 offices4 projectsUpdated Jun 2026

Project: O'Reilly Auto Parts Retail Program

Service: Structural EngineeringService: New ConstructionService: RenovationsIndustry: CommercialIndustry: RetailType: Structural Engineering+16 more

SJ Engineering Consultants, LLC

Knoxville, TN

Collaborating for Excellence in Design, Safety, and Engineering Management

WebsitePhone2 offices3 credentialsFounded 2022Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Planning and LayoutService: Land DevelopmentIndustry: CommercialIndustry: IndustrialType: Civil Engineering+114 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

Smith Engineering and Associates, LLC

Cleveland, TN

Innovative & Efficient Engineering Solutions

WebsitePhone3 offices6 projects1 leaders10 credentialsSize Estimate: 1-25 employees

Project: Jackson International Airport Aviation Project Management

Service: Traffic EngineeringService: Traffic CountsService: Traffic Analysis and ModelingIndustry: TransportationIndustry: AviationType: Civil Engineering+71 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

Walker Consultants

Chicago, IL

Bringing Life to the Built Environment

Website26 offices4 publicationsFounded 1965Size Estimate: 500+ employeesUpdated Jun 2026

Service detail: Parking Design

Service: Parking DesignService: Functional DesignService: Architecture DesignIndustry: AviationIndustry: ResidentialType: Forensic Engineering+44 more

Wallace Design Collective, PC

Tulsa, OK

dedicated to the art of possibility.

WebsitePhone8 offices6 projects5 leaders3 publicationsFounded 1981

Project: Petersen Automotive Museum

Service: Building Engineering & InspectionService: Structural EngineeringService: Special InspectionsIndustry: Arts & CultureIndustry: CommercialType: Structural Engineering+21 more