Public engineering firm directory

Find engineering consulting firms by capability and location.

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AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: WaterService: WastewaterIndustry: Automation & ControlsIndustry: Environmental & RemediationType: Civil Engineering+29 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects2 leadersFounded 1975Size Estimate: 10-49 employees

Project: Pierre SD Wastewater Treatment Plant

Service: Civil Design and EngineeringService: Site Master Planning and LayoutService: Underground Utilities DesignIndustry: WastewaterIndustry: EducationType: Materials Testing+31 more

Advanced Design Engineering and Surveying

Rapid City, SD

Laying the Foundation for Tomorrow

WebsitePhone1 office3 projects10 leadersFounded 1998Size Estimate: 10-20 employees

Project: VA Community-Based Outpatient Clinic

Service: Civil EngineeringService: Urban street improvement plansService: Utility infrastructure planningIndustry: GovernmentIndustry: CommercialType: Civil Engineering+32 more

Albertson Engineering Inc.

Rapid City, SD

Structural Engineers of The Black Hills and Great Plains

WebsitePhone4 offices6 projects2 credentialsFounded 1999Size Estimate: 20+ employees

Project: Arc of Dreams

Service: Structural DesignService: Building Information ModelingService: Design-Bid-Build DeliveryIndustry: CommercialIndustry: HealthcareType: Structural Engineering+21 more

Altatech Engineering Technologies

Sioux Falls, SD

Advanced Engineering Solutions

Website1 officeUpdated Jun 2026

Service detail: Model-Based Systems Engineering

Service: Model-Based Systems EngineeringService: Requirements integrationService: Design and verification modelingIndustry: DefenseIndustry: FederalType: Defense Engineering+22 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026

Project: Minnesota Zoo Treetop Trail

Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 more

Associated Consulting Engineering, Inc.

Sioux Falls, SD

Associated Consulting Engineering, Inc. (ACEI) is a consulting engineering firm based in Sioux Falls, South Dakota, providing mechanical and electrical systems design since 1987. ACEI offers integrated MEP engineering services for the design of plumbing, fire protection, HVAC, building automation, lighting, power, sound, and communication systems for public and private clients across a broad spectrum of residential, commercial, industrial, and institutional project types. The team is professionally registered in South Dakota, North Dakota, Iowa, Wisconsin, Nebraska, and Minnesota, with additional state licensing available upon request.

WebsitePhone1 officeFounded 1987Updated Jun 2026

Service detail: Mechanical Design

Service: Mechanical DesignService: HVACService: PlumbingIndustry: ResidentialIndustry: Multifamily ResidentialType: MEP+33 more

Avid4 Engineering

Rapid City, SD

Empower your projects with common sense engineering solutions

WebsitePhone1 office4 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Water ResourcesService: Geospatial SolutionsIndustry: GovernmentIndustry: FederalType: Civil Engineering+9 more

Banner Associates, Inc.

Brookings, SD

Engineering a better community

WebsitePhone8 offices4 projectsUpdated Jun 2026

Project: City of Madison Utility and Street Improvements

Service: Civil / Municipal EngineeringService: City engineering servicesService: Water distribution systemsIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+37 more

Beck Engineering, Incorporated

Spirit Lake, IA

Build Relationships, Better Communities, Create Opportunities

Website6 offices7 projects1 leaders3 credentialsFounded 2001Updated Jun 2026

Project: State Pier at Arnolds Park Amusement Park

Service: Civil EngineeringService: Public Infrastructure DesignService: StreetsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+27 more

Bice, Young & Associates, LLC

Rapid City, SD

Civil, Structural, and Power Utility Engineering Services

Website1 office2 leaders4 credentials5 publicationsFounded 2022Updated Jun 2026

Service detail: Civil and Municipal Infrastructure

Service: Civil and Municipal InfrastructureService: Municipal Utility DesignService: Roadway and Geometric DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+30 more

Brosz Engineering, Inc.

Bismarck, ND

Civil Engineering and Surveying across the Dakotas and Montana

Website9 offices1 projectsFounded 1982Size Estimate: 100-199 employeesUpdated Jun 2026

Project: Copper Creek Mixed-Use Development

Service: Civil EngineeringService: Municipal ProjectsService: Transportation ProjectsIndustry: TransportationIndustry: GovernmentType: Civil Engineering+26 more

Civil Design Inc

Brookings, SD

The Region's Premier Civil Engineering and Land Surveying Firm

WebsitePhone1 office5 leaders12 credentialsSize Estimate: 10-25 employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Railroad Design & RehabilitationService: Highway & Road DesignIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+33 more

Core Engineering & Consulting, Inc.

Fort Thompson, SD

Engineering with Integrity, Honesty & Highest Standard of Care

WebsitePhone1 office1 leaders4 credentialsFounded 2008Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Laboratory TestingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+21 more

DGR Engineering

Rock Rapids, IA

Building the foundation for every day

WebsitePhone6 offices7 leadersUpdated Jun 2026

Service detail: Aviation

Service: AviationService: Civil EngineeringService: Bidding DocumentsIndustry: AviationIndustry: AirportsType: Aviation Engineering+23 more

Davis Design

Lincoln, NE

Making ideal happen.

WebsitePhone3 officesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: EngineeringService: Interior DesignIndustry: HealthcareIndustry: Senior LivingType: Architecture & Engineering+8 more

Deep Foundation Group

Sioux Falls, SD

Proven Technical Solutions for All Soil Conditions

WebsitePhone2 offices1 leadersFounded 2018Size Estimate: 6 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Deep Foundations and Ground ImprovementService: Helical PiersIndustry: CommercialIndustry: IndustrialType: Structural Engineering+8 more

Direct Companies

Sioux Falls, SD

Integrated technology for critical operations.

WebsitePhone3 offices1 leadersFounded 2012Updated Jun 2026

Service detail: Automation and Control Systems

Service: Automation and Control SystemsService: Operational Data and AnalyticsService: Industrial Design and FabricationIndustry: Automation & ControlsIndustry: UtilitiesType: Automation & Controls+9 more

Dunham Associates

Minneapolis, MN

Quality Design, Exceptional Service

WebsitePhone5 offices4 projects6 leaders1 credentialsSize Estimate: 100-499 employees

Project: University of Minnesota, Twin Cities

Service: Mechanical, Electrical, and PlumbingService: Mechanical EngineeringService: Electrical EngineeringIndustry: Arts & CultureIndustry: CommercialType: MEP+25 more

Enterprise Engineering Inc

Anchorage, AK

Your Engineering Partner

WebsitePhone5 offices5 projects9 leaders2 credentialsUpdated Jun 2026

Project: Trailside Heights Affordable Housing Development

Service: Civil EngineeringService: Site Planning and DesignService: Electrical EngineeringIndustry: DefenseIndustry: AviationType: Civil Engineering+21 more

FMG, Inc.

Rapid City, SD

Civil, Geotechnical, Surveying, Testing, Environmental

WebsitePhone1 office9 leaders1 credentialsFounded 1894Updated Jun 2026

Service detail: Civil Infrastructure

Service: Civil InfrastructureService: Municipal InfrastructureService: Water Resources and StormwaterIndustry: GovernmentIndustry: FederalType: Civil Engineering+36 more

Fetzer Engineering

Rapid City, SD

Serving the Black Hills Community for Over 30 Years

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering & Design

Service: Structural Engineering & DesignIndustry: CommercialIndustry: ResidentialType: Structural Engineering

FourFront Design, Inc.

Rapid City, SD

Creating the built environment...for people!

WebsitePhone2 offices6 projects5 leaders3 credentialsFounded 1952

Project: Nashville National Cemetery Historic Lodge Addition and Renovation

Service: ArchitectureService: Schematic DesignService: Design DevelopmentIndustry: CommercialIndustry: RetailType: Architecture & Engineering+35 more

GeoTek Engineering & Testing Services, Inc.

Sioux Falls, SD

Common Sense, Practical & Economical Solutions

WebsitePhone1 office10 projects4 leaders3 credentialsFounded 1988

Project: Water Treatment Plant

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation and Earthwork EvaluationIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+15 more