Public engineering firm directory

Find engineering consulting firms by capability and location.

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303rd Engineering Group, LLC

St. Louis, MO

Successful Partnerships, Successful Projects

WebsitePhone1 office5 projects1 leaders1 credentialsFounded 2005

Project: Airmen's Dormitories, Scott Air Force Base

Service: Electrical EngineeringService: Fire Alarm SystemsService: Energy ConservationIndustry: GovernmentIndustry: FederalType: MEP+18 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

A Civil Group, LLC

Columbia, MO

Civil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri

WebsitePhone1 office7 projects2 leadersUpdated Jun 2026

Project: Vineyards Plat 6

Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesService: Road and Pavement DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+41 more

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

AccuTec Services, Inc.

Lee's Summit, MO

Precision commissioning, testing, and cleanroom certification services nationwide.

WebsitePhone1 office2 leaders6 credentialsFounded 2004Updated Jun 2026

Service detail: Building Systems Commissioning

Service: Building Systems CommissioningService: Design Phase Commissioning & ReviewService: Construction Phase CommissioningIndustry: HealthcareIndustry: PharmaceuticalType: MEP+22 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

Amodu Engineering Solutions, LLC

St. Louis, MO

Building Relationships through Affordable Engineering Excellence

WebsitePhone1 office1 leaders17 credentialsFounded 2007Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Load Calculation ServicesService: Energy Modeling and AnalysisIndustry: HealthcareIndustry: EducationType: MEP+27 more

Andrews Engineering Inc.

Springfield, IL

Andrews Engineering Inc. is a full-service, multi-disciplinary engineering organization serving clients in Illinois, Indiana, and Missouri for more than 40 years. Integrity, commitment, and quality are at the core of every engagement, and the firm delivers innovative, practical, and cost-effective solutions across geotechnical, environmental, civil, water resources, and remediation engineering disciplines. Andrews Engineering operates five offices across the Midwest: Springfield and Pontiac and Lombard in Illinois, Indianapolis in Indiana, and Warrenton in Missouri.

WebsitePhone5 officesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Environmental ServicesService: Remediation ServicesIndustry: InfrastructureIndustry: Environmental & RemediationType: Civil Engineering+11 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

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Automated Motion Inc.

Lee's Summit, MO

The Top Design Engineers in Kansas City

WebsitePhone1 officeUpdated Jun 2026

Service detail: Design Engineering

Service: Design EngineeringService: Contract ManufacturingService: Custom Product DevelopmentIndustry: AerospaceIndustry: AutomotiveType: Electrical Engineering+5 more

Aviation Consulting Services (ACS) International LLC

Kearny, MO

Excellence Through Quality

WebsitePhone1 office8 projectsUpdated Jun 2026

Project: Egyptian Air Force ATC Systems

Service: Aviation Systems EngineeringService: System Definition, Specification, and SitingService: Computer Performance ModelingIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+13 more

Axys Development LLC

St. Louis, MO

Advanced Automation & Control Systems for Critical Infrastructure

Website1 officeUpdated Jun 2026

Service detail: Building Automation Systems

Service: Building Automation SystemsService: Power Monitoring & ManagementService: Environmental Control & MonitoringIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Automation & Controls+4 more

Baer Engineering, LLC

Perryville, MO

Baer Engineering, LLC provides professional engineering and land surveying services in the Perryville, Missouri area. Its staff is dedicated to timely, cost-effective project delivery with technical expertise and direct client attention.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Land SurveyingType: Land Surveying

Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects1 leaders1 credentials1 publications

Project: Utility-Scale BESS Engineering and Design

Service: Engineering and DesignService: Mine Tailings Management EngineeringService: Mineral Processing and Plant DesignIndustry: MiningIndustry: Power GenerationType: Civil Engineering+34 more

Basilico Engineering, Inc.

St. Louis, MO

Basilico Engineering, Inc. is a professional engineering firm in the St. Louis, Missouri area, incorporated in November 2000. It specializes in Civil, Environmental, and Geotechnical Engineering and also provides Material Testing and Construction Inspection services. Basilico Engineering serves public agencies and private clients throughout the St. Louis region and maintains relationships with area universities including UMR, SIUE, and Washington University.

Website1 office1 leaders8 credentialsFounded 2000Updated Jun 2026
Service: Civil EngineeringService: Environmental EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: TransportationType: Civil Engineering+8 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

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