Public engineering firm directory

Find engineering consulting firms by capability and location.

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ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects11 leaders3 credentialsFounded 1994

Project: Washington Avenue Streetscape Project

Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Allstate Consultants Llc

Columbia, MO

Engineering Our Community

Website4 officesFounded 1975Updated Jun 2026
Service: Civil EngineeringService: Structural EngineeringService: Water and Environmental EngineeringIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+14 more

Alper Audi, Inc.

St. Louis, MO

Founded in 1950, Alper Audi, Inc. is a St. Louis-based structural engineering practice with engineers registered in more than 45 states. It serves architects, contractors, developers, owners, and government clients across commercial, industrial, institutional, and public markets. More than 50 percent of assignments are delivered on a design-build basis, and annual project volume contributes to more than $2.5 billion in aggregate construction value.

WebsitePhone2 offices13 projects8 leadersFounded 1950Updated Jun 2026

Project: Forsyth Pointe

Service: Structural EngineeringService: Reinforced Concrete DesignService: Structural Steel DesignIndustry: CommercialIndustry: IndustrialType: Structural Engineering+18 more

Anvil Engineering

St. Louis, MO

Leaders in structural engineering

WebsitePhone1 office4 projects2 leadersFounded 2016Updated Jun 2026

Project: ICL Group Chemical Processing Building

Service: Foundations & Flatwork DesignService: Building FoundationService: Equipment FoundationIndustry: IndustrialIndustry: ManufacturingType: Structural Engineering+17 more

Apex Engineers, Inc.

Kansas City, MO

Your Engineering Partner in Projects Large and Small

WebsitePhone7 offices1 projects8 leadersFounded 2003Size Estimate: 50+ employees

Project: Multi-Sector Structural Engineering Portfolio

Service: Structural DesignService: Commercial Structural DesignService: Residential Structural DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+26 more

Apex Structural Engineering

Creve Coeur, MO

Innovate. Design. Build.

WebsitePhone2 offices4 leadersUpdated Jun 2026

Service detail: Accelerated Project Delivery (APD)

Service: Accelerated Project Delivery (APD)Service: Building Design & AnalysisService: Connection Design & Stair EngineeringIndustry: CommercialIndustry: ResidentialType: Structural Engineering+8 more

Archon Engineering, PC

Columbia, MO

Engineering Design + Analysis

WebsitePhone1 office3 credentialsFounded 1992Updated Jun 2026

Service detail: Structural Analysis and Design

Service: Structural Analysis and DesignService: Building and Foundation DesignService: Finite Element Analysis (FEA)Industry: Power GenerationIndustry: NuclearType: Civil Engineering+17 more

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

Bob D. Campbell & Company

Kansas City, MO

Innovative Structural Engineering with Practical Solutions

WebsitePhone1 office1 projects2 leaders6 credentialsFounded 1957

Project: USAF Cadet Chapel Restoration

Service: Structural EngineeringService: Structural DesignService: InvestigationsIndustry: HealthcareIndustry: EducationType: Structural Engineering+16 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

CCS Group

Chesterfield, MO

Specialized, client-focused structural engineering and construction management services.

Website1 office10 projectsFounded 1997Updated Jun 2026

Project: MLGW Water Quality Assurance Lab

Service: Structural EngineeringService: Structural Renovation and RetrofittingService: Seismic Performance EngineeringIndustry: HealthcareIndustry: Data CentersType: Structural Engineering+13 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

CDS Engineering

Fenton, MO

Engineering Services for Industrial Clients

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil and Structural Engineering

Service: Civil and Structural EngineeringService: FoundationsService: Structural SteelIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+30 more

CSE Engineering, LLC

Wentzville, MO

Economic, code-compliant, and constructible structural engineering solutions

WebsitePhone1 office1 leaders7 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Structural Engineering & Design

Service: Structural Engineering & DesignService: Building Design and AdditionsService: Connection and Seismic DesignIndustry: ResidentialIndustry: CommercialType: Forensic Engineering+16 more

Civil Design, Inc.

St. Louis, MO

Quality Infrastructure. Passionate People. Stronger Communities.

Website6 offices3 projects16 leadersFounded 1996Size Estimate: 100-249 employeesUpdated Jun 2026

Project: Central District Pedestrian Improvements

Service: Infrastructure + AnalyticsService: GIS MappingService: Database ManagementIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+26 more

Cook, Flatt & Strobel Engineers

Topeka, KS

One Vision. One Team. One Call.

Website7 officesFounded 1961Updated Jun 2026

Service detail: Transportation

Service: TransportationService: Roadway and Highway DesignService: Complete StreetsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 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

Crocker Consulting Engineers, Inc.

Springfield, MO

We Listen Better, Plan Better, & Engineer Better.

WebsitePhone1 officeFounded 1994Updated Jun 2026

Service detail: Sign Engineering

Service: Sign EngineeringService: Pylon Sign DesignService: Mechanical, Electrical, & Plumbing DesignIndustry: CommercialType: Structural Engineering+3 more

Crockett Engineering Consultants

Columbia, MO

Crockett Engineering Consultants is a multi-discipline engineering and land surveying firm headquartered in Columbia, Missouri, serving clients across the country. Founded in 1985 as a civil engineering and surveying practice, Crockett expanded into structural engineering in 2009 and opened Crockett Geotechnical Testing Lab in 2013 to add geotechnical engineering and construction materials testing. Projects span single-family and multifamily residential developments, commercial and retail sites, educational facilities, manufacturing operations, and institutional clients.

WebsitePhone1 office7 leadersFounded 1985Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Civil site designService: Parking lot designIndustry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+77 more

DOTec Engineering

St. Charles, MO

Your Trusted Engineering Partners

WebsitePhone1 office4 projects5 leaders2 credentialsFounded 1991

Project: Shipping Container Home Design

Service: Civil EngineeringService: Value EngineeringService: Permitting SupportIndustry: ResidentialIndustry: CommercialType: Civil Engineering+27 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

Design Nine, Inc.

St. Louis, MO

We Know Railroad

WebsitePhone1 office10 projects11 credentialsFounded 1986Size Estimate: 1-25 employees

Project: Progress Rail Mayfield KY

Service: Railway EngineeringService: Conceptual PlanningService: Track DesignIndustry: RailType: Transportation Engineering+19 more

DuBois Consultants, Inc.

Kansas City, MO

Commitment, Collaboration, Cooperation

WebsitePhone3 offices5 projectsFounded 1988Updated Jun 2026

Project: Dry Weather Sewer Relief: Outfall 055

Service: Civil Engineering & DesignService: Sewer SystemsService: Stormwater ManagementIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+26 more