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.

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ADO Engineering, Inc.

South Elgin, IL

Specialized electrical engineering for aviation, transportation, and facilities projects

WebsitePhone1 officeFounded 2011Updated Jun 2026

Service detail: Electrical Systems Design

Service: Electrical Systems DesignService: Facility Electrical EngineeringService: Power Distribution DesignIndustry: AviationIndustry: TransportationType: Electrical Engineering+9 more

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

Ardurra Group, Inc.

Miami, FL

Collaborate. Innovate. Create.

WebsitePhone2 offices1 projects7 leaders8 credentialsFounded 1901

Project: Southwest Wyoming Regional Airport Terminal Expansion and Modernization

Service: Water / Wastewater EngineeringService: Water SupplyService: Wastewater Treatment PlantsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+75 more

Benham, a Haskell Company

Oklahoma City, OK

Tomorrow's Design Since 1909

WebsitePhone6 offices4 projectsFounded 1909Size Estimate: 200-500 employeesUpdated Jun 2026

Project: Osprey Maintenance Hangars

Service: ArchitectureService: EngineeringService: DesignBuildIndustry: InfrastructureIndustry: HealthcareType: Architecture & Engineering+35 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

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

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

Ceteris, Inc.

Marianna, FL

Ceteris, Inc. is a full-service design-build, engineering and construction practice headquartered in Marianna, Florida. Specializing in government consulting and civil construction, it delivers transportation infrastructure, water systems, airport facilities, and commercial buildings for federal agencies, state transportation departments, and local governments. Florida Professional Engineer and General Contractor licenses support work from design through construction completion, and FDOT prequalifications in highway design, signing and pavement marking, roadway construction engineering inspection, systems planning, and transportation statistics underpin its transportation practice.

WebsitePhone1 office9 projects7 credentialsUpdated Jun 2026

Project: SR 75 (US 231) RRR Design

Service: Engineering ServicesService: Highway & Roadway DesignService: Bridge Design & ReplacementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+15 more

Crawford, Murphy & Tilly, Inc.

Springfield, IL

Elevating infrastructure, together.

WebsitePhone3 offices9 projects4 leaders5 credentialsFounded 1946

Project: Riverside Drive Riverfront Redevelopment

Service: PlanningService: Aviation PlanningService: Transportation PlanningIndustry: AirportsIndustry: GovernmentType: Aviation Engineering+32 more

Delta Engineering Group LLC

Building What Matters

Website11 projects10 leaders6 credentialsUpdated Jun 2026

Project: Gulu-Nimule Highway Upgrade

Service: Engineering Design ServicesService: Civil & Transportation EngineeringService: Structural & Bridge EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+40 more

DiDonato Associates Engineering and Architecture, P.C.

Buffalo, NY

Responsive. Honest. Accurate.

WebsitePhone1 office7 projects10 leaders14 credentialsFounded 1965

Project: Main Street Revitalization - Cars Sharing Main

Service: Civil EngineeringService: Roadway Rehabilitation / Complete StreetsService: Site / Civil DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+53 more

Dibble

Phoenix, AZ

Focus on Quality. Multi Discipline. Culture of Caring.

Website7 offices1 projectsUpdated Jun 2026

Project: Chandler's 66-Inch Sewer Interceptor Rehabilitation

Service: Airport DevelopmentService: Airport PlanningService: Airport DesignIndustry: AirportsIndustry: GovernmentType: Civil Engineering+51 more

EJES Inc

Dallas, TX

Providing Service with Excellence

WebsitePhone5 offices9 projects1 credentialsUpdated Jun 2026

Project: Marine Corps Air Station Iwakuni (MCASI)

Service: Civil EngineeringService: Roadway DesignService: Bridge DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+45 more

Evans-Graves Engineers, Inc.

New Orleans, LA

Helping the Gulf Coast work & move.

WebsitePhone2 offices5 projectsFounded 1954Size Estimate: 15-49 employeesUpdated Jun 2026

Project: Cabela's Outdoor Retail

Service: Civil & Site EngineeringService: Commercial DevelopmentService: Community DevelopmentIndustry: CommercialIndustry: TransportationType: Civil Engineering+27 more

Fuhrmann Engineering Inc.

Springfield, IL

Providing timely, cost-effective, sustainable engineering solutions through long-term relationships

WebsitePhone4 offices1 credentialsUpdated Jun 2026

Service detail: Bridge Engineering

Service: Bridge EngineeringService: Bridge design (new construction and retrofit)Service: NBIS and element-level bridge inspectionIndustry: BridgesIndustry: Highways & RoadsType: Transportation Engineering+36 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

GRW Engineers, Inc.

Lexington, KY

engineering | architecture | geospatial

WebsitePhone8 offices10 projects7 leaders13 credentialsFounded 1964

Project: LFUCG Town Branch 22 MG Wet Weather Flow Storage and 56 MGD Pumping Facilities

Service: Water and Wastewater EngineeringService: Water Treatment Plant DesignService: Wastewater Treatment Plant DesignIndustry: GovernmentIndustry: DefenseType: Architecture & Engineering+39 more

HDL Engineering Consultants, LLC

Anchorage, AK

Designing Alaska's Future. Prioritizing Client Success. Building Stronger Communities.

WebsitePhone3 offices8 projectsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: Birchwood Airport

Service: Civil EngineeringService: Civil and Site EngineeringService: Site Development ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+59 more

Holt Consulting Company, LLC

Columbia, SC

The Consultant of Choice for Aviation and Surface Transportation Projects Across the Southeast

WebsitePhone7 offices7 projects2 leaders7 credentialsFounded 2013

Project: Emergency Bridge Package 2018-2A

Service: Aviation ServicesService: Aviation PlanningService: Airfield DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+24 more

InNova Consulting Inc.

Your Vision. Our InNovation.

WebsiteUpdated Jun 2026

Service detail: Aviation Planning

Service: Aviation PlanningService: Airport Planning ServicesService: Airfield Modeling & AnalysisIndustry: AviationIndustry: TransportationType: Civil Engineering+37 more

Infrastructure Consulting & Engineering, LLC

West Columbia, SC

A Full Service Transportation Consulting and Design Firm

WebsitePhone15 offices6 projects5 credentialsFounded 2005Size Estimate: 500-1,000 employees

Project: NC-540 (Triangle Expressway SE Extension)

Service: Roadway and Highway DesignService: Roadway widening and extensionService: Major interchange and intersection designIndustry: TransportationIndustry: GovernmentType: Civil Engineering+85 more

KEY Engineering Group, Inc.

Atlanta, GA

Designing a sustainable future; delivering excellent quality.

WebsitePhone2 offices7 projects4 leadersFounded 2004Size Estimate: 15 employees

Project: CPTC Backup Generator & Life Safety Code Compliance

Service: Airfield ElectricalService: Runway Lighting DesignService: Approach Lighting SystemsIndustry: AviationIndustry: AirportsType: MEP+43 more

KLJ Engineering, LLC

Bismarck, ND

Engineering, Reimagined

WebsitePhone1 office16 projects1 credentialsUpdated Jun 2026

Project: Four Bears Bridge

Service: AviationService: PlanningService: Program ManagementIndustry: AviationIndustry: AirportsType: Civil Engineering+54 more