Public engineering firm directory

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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

EFK Moen, LLC

St. Louis, MO

Pioneering Civil Engineering Excellence Since 1998

WebsitePhone5 offices12 projects11 leadersFounded 1998Updated Jun 2026

Project: Manchester Road

Service: Roadway & Highway DesignService: Interstate and Highway DesignService: Maintenance of TrafficIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+17 more

Engineering Systems Inc.

Scottsdale, AZ

Multidisciplinary Expertise. Industry Insight.

Website22 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Uncovering the Truth Behind a Toy Archery Injury

Service: Accident ReconstructionService: Motor Vehicle Accident ReconstructionService: Industrial and Workplace Incident AnalysisIndustry: AgricultureIndustry: MiningType: Chemical Engineering+57 more

Everstead

Kansas City, MO

We Build a Brighter Future for Homeowners and Professionals

WebsitePhone1 office1 credentialsFounded 2007Updated Jun 2026

Service detail: Structural Inspections

Service: Structural InspectionsService: Home AssessmentsService: Comprehensive Inspections Covering FoundationsIndustry: ResidentialType: Structural Engineering+28 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

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 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

Howe Company, LLC

Macon, MO

Structural and Civil Engineers at Your Service

WebsitePhone1 office3 projects7 credentialsUpdated Jun 2026

Project: Macon Municipal Utilities Sewer Main Relocation

Service: Civil EngineeringService: Water SystemsService: Stormwater & Flood ControlIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+24 more

Hurst-Rosche, Inc.

Hillsboro, IL

Founded in 1937 and headquartered in Hillsboro, Illinois, Hurst-Rosche is a total in-house, multi-discipline architecture and engineering practice with six offices across Illinois, Missouri, and Tennessee. Bringing together architecture, civil, structural, mechanical, electrical, geotechnical, environmental, and surveying capabilities under one roof, it delivers planning, design, and construction-related services on projects ranging from school performing arts centers and water treatment plants to transportation infrastructure and institutional facilities. Projects have earned Illinois Capital Development Board Thomas Madigan Awards, AIA Design Awards, and ACEC Excellence Awards.

WebsitePhone6 offices6 projects3 leaders4 credentialsFounded 1937

Project: Murphysboro High School Performing Arts Center

Service: ArchitectureService: Educational Facility DesignService: Government & Institutional Facility DesignIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+37 more

Hutchison Engineering, Inc.

Jacksonville, IL

Delivering Timely Infrastructure Solutions

WebsitePhone8 officesFounded 1945Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Highway, Road, and Street Planning and DesignService: Traffic Planning and ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+46 more

JS Smith Consulting Engineers, P.C.

Joplin, MO

Industry Experts for Over 30 Years

WebsitePhone1 office3 leadersFounded 1982Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Steel structuresService: Reinforced concrete structuresIndustry: CommercialIndustry: EducationType: Structural Engineering+7 more

KPFF Consulting Engineers

Portland, OR

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Website33 offices5 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Service: Structural EngineeringService: Bridge EngineeringService: Protective DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+39 more

Klingner & Associates, P.C.

Quincy, IL

Solving Complex Problems Through Integrated Design and Engineering

WebsitePhone9 offices1 projects1 leadersFounded 1905Updated Jun 2026

Project: Iles Elementary School

Service: ArchitectureService: Architectural DesignService: Furniture, Fixtures, and EquipmentIndustry: AgricultureIndustry: CommercialType: Architecture & Engineering+43 more

Larson Engineering

Appleton, WI

Build on what we know.

WebsitePhone13 offices9 projects1 credentialsFounded 1979Size Estimate: 100-500 employees

Project: Sphere at the Venetian Resort

Service: Structural EngineeringService: Building StructuresService: Structural Design Review and Peer EvaluationIndustry: AgricultureIndustry: CommercialType: Civil Engineering+46 more

Leigh + O'Kane

Lee's Summit, MO

A structural engineering firm focused on solving complex challenges through collaboration, responsiveness, and dependable execution.

WebsitePhone1 office10 projects3 leadersFounded 1986Size Estimate: 5-50 employees

Project: Kansas Speedway

Service: Structural DesignService: New Building Structural SystemsService: Construction EngineeringIndustry: Public SafetyIndustry: GovernmentType: Structural Engineering+17 more

McGinnis & Associates

St. Louis, MO

40+ Years of Continued Quality Engineering Services

WebsitePhone1 office14 projects7 leadersFounded 1983Updated Jun 2026

Project: Cochran Gardens Phase 1 & 2

Service: Prefabricated, Modular, and Deferred Submittal ItemsService: Stairs and railingsService: MezzaninesIndustry: CommercialIndustry: RetailType: Structural Engineering+15 more

Mettemeyer Engineering

Springfield, MO

Ingenuity - Design - Strength

WebsitePhone2 offices6 projects1 credentialsFounded 2000Updated Jun 2026

Project: National Mounted Warrior Museum - Curtain Wall

Service: Canopy and Awning SystemsService: Curtain Wall and Facade SystemsService: Blast-Resistant Curtain WallIndustry: CommercialIndustry: RetailType: Structural Engineering+21 more

Michael K Swim Consulting Engineer Inc

Chesterfield, MO

We Make Clients Successful

WebsitePhone1 office4 projects1 leaders2 credentialsSize Estimate: 51-200 employees

Project: Offutt Air Force Base Security Operations Control Center

Service: MechanicalService: Provides Comprehensive Mechanical System DesignService: Specialized HVACIndustry: DefenseIndustry: EducationType: MEP+44 more

Miller Engineering

Springfield, MO

Springfield, Missouri structural and forensic engineering firm established in 2004 by Travis Miller, P.E. Miller Engineering provides structural design, forensic engineering, building enclosure consulting, and expert witness services to clients in southwest Missouri and surrounding states. With over 100 years of cumulative construction and design experience across its team and a background rooted in construction economy, constructability, and scheduling, the firm bridges the gap between design documentation and field execution.

WebsitePhone1 office1 leadersFounded 2004Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural analysis and designService: Foundation designIndustry: CommercialIndustry: EducationType: Structural Engineering+8 more

Modjeski and Masters, Inc.

Mechanicsburg, PA

One of the world's leading bridge engineering practices

WebsitePhone19 offices7 projects2 leaders2 credentialsFounded 1893

Project: Hawk Falls Bridge Replacement

Service: Bridge DesignService: Fixed Bridge DesignService: Movable Bridge DesignIndustry: BridgesIndustry: TransportationType: Structural Engineering+26 more

Norton & Schmidt Consulting Engineers

North Kansas City, MO

Norton & Schmidt Consulting Engineers is a structural engineering firm based in North Kansas City, Missouri, with more than 50 years of practice. Its team of licensed structural engineers designs and evaluates residential, commercial, and industrial structures. Services span new structural design, building inspections, forensic and insurance support, existing building review, and owner representation through construction.

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Structural Home Inspections

Service: Structural Home InspectionsService: Residential DesignService: Structural DesignIndustry: ResidentialIndustry: CommercialType: Structural Engineering+5 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

Open Concept Engineering

Chesterfield, MO

Open Concept Engineering is a St. Louis-area structural engineering firm providing residential and light-commercial structural engineering services for homeowners, contractors, and architects. Two licensed Professional Engineers lead every project from first call to final stamp, offering load-bearing wall removal, pre-purchase structural inspections, foundation inspections, structural permit drawings, home addition engineering, and architectural design. With 15 or more years of experience and 500 or more completed projects across the St. Louis metro, the practice delivers permit-ready drawings and same-week site visits.

WebsitePhone2 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Load Bearing Wall Removal

Service: Load Bearing Wall RemovalService: Pre-Purchase Structural InspectionService: Foundation InspectionsIndustry: ResidentialIndustry: CommercialType: Structural Engineering+3 more

Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leadersFounded 1986Updated Jun 2026

Project: Ash Classification System EPCM

Service: EngineeringService: Mechanical EngineeringService: Structural & Civil EngineeringIndustry: Aggregates & QuarryingIndustry: AgricultureType: Civil Engineering+29 more