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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Benton Engineering

Jacksonville, IL

Partnership. Commitment. Results.

WebsitePhone5 offices9 leaders4 credentialsFounded 1970Size Estimate: 25-100 employees

Service detail: Civil / Site Development

Service: Civil / Site DevelopmentService: Feasibility Studies and Planning ReportsService: Preliminary and Final DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+52 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

CDG Engineers, Inc.

St. Louis, MO

Engineering a better way.

WebsitePhone4 offices2 projects1 leadersFounded 1992Size Estimate: 100+ employees

Project: Cedar Rapids Reach 1 Flood Protection

Service: Architectural EngineeringService: Civil EngineeringService: Flood ProtectionIndustry: UtilitiesIndustry: Electric UtilitiesType: Civil Engineering+22 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

EDM Incorporated

St. Louis, MO

Reliable Creative Engineering Solutions

WebsitePhone2 offices9 projects10 leaders2 credentialsFounded 1973

Project: The St. Louis Wheel at Union Station

Service: Structural EngineeringService: Commercial and Industrial StructuresService: Theme Park and Ride FoundationsIndustry: Sports & RecreationIndustry: CommercialType: Civil Engineering+35 more

Frontenac Engineering Group Inc

St. Louis, MO

We Design Solutions

WebsitePhone1 office5 projects5 leaders9 credentialsFounded 1980

Project: Nestle Purina - Danforth Learning Center

Service: Civil EngineeringService: Civil Engineering Services Tailored For BuildingService: Land DevelopmentIndustry: CommercialIndustry: RetailType: Civil Engineering+35 more

Horner & Shifrin, Inc.

St. Louis, MO

Horner & Shifrin is a multidisciplinary professional services engineering firm founded in St. Louis in 1933, offering building systems MEP/FP engineering, water and wastewater, transportation, structural, environmental, geospatial, surveying, and construction services. With nine offices across Missouri, Illinois, and Arkansas and repeat client assignments from 80% of its client base, H&S serves education, government, healthcare, emergency services, utilities, and private markets throughout the Midwest.

WebsitePhone9 offices8 leaders2 credentialsFounded 1933Updated Jun 2026

Service detail: Building Services

Service: Building ServicesService: Drinking WaterService: WastewaterIndustry: EducationIndustry: GovernmentType: MEP+32 more

Olsson

Lincoln, NE

Engineering trust.

Website10 offices5 projects10 leaders16 credentials2 publicationsFounded 1956

Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Service: Civil & Site EngineeringService: Site Design and DevelopmentService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

Professional Engineering Consultants, PA

Wichita, KS

Building Tomorrow's Solutions Today

WebsitePhone10 offices7 projects16 leaders11 credentialsFounded 1965

Project: Doc B-29 Maintenance and Storage Hangar

Service: Mechanical EngineeringService: HVAC & Piping SystemsService: Plumbing & Piping DesignIndustry: CommercialIndustry: EducationType: Civil Engineering+49 more

SEA, Ltd.

Columbus, OH

Revealing the Cause. Mitigating the Risk.

WebsitePhone13 offices1 leadersFounded 1970Size Estimate: 350+ employeesUpdated Jun 2026

Service detail: Forensic Engineering & Investigation

Service: Forensic Engineering & InvestigationService: Accident ReconstructionService: Fire and Explosion InvestigationIndustry: Consumer ProductsIndustry: Power GenerationType: Civil Engineering+38 more

STL Engineering

St. Louis, MO

Fast Response Times And Reliable Service Set Us Apart.

WebsitePhone3 offices2 projects2 leaders1 credentialsUpdated Jun 2026

Project: New Greenfield Trap Rock Quarry Operation

Service: Structural EngineeringService: Structural Steel DesignService: Concrete DesignIndustry: MiningIndustry: Aggregates & QuarryingType: Structural Engineering+52 more

Snyder & Associates

Ankeny, IA

Delivering Solutions to Improve the Quality of Life

WebsitePhone5 offices6 projects7 leaders3 credentialsSize Estimate: 300+ employees

Project: Prairie Ridge Sports Complex

Service: Land DevelopmentService: Commercial Site DevelopmentService: Industrial Site DevelopmentIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+47 more