Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

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

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

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

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

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

Hermanson Egge Engineering, Inc.

Rapid City, SD

Hermanson Egge Engineering is a structural and civil engineering firm founded in 2000 and based in Rapid City, South Dakota. It provides structural design, civil engineering, and construction phase services for a diverse range of project types including commercial, industrial, residential, and educational facilities, combining classical engineering theory with state-of-the-art technology.

WebsitePhone1 office3 leadersFounded 2000Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Civil EngineeringService: Construction Phase ServicesIndustry: CommercialIndustry: IndustrialType: Structural Engineering+5 more

Heyer Engineering Inc

Fargo, ND

We Take Great Pride in Making Visions a Reality.

Website2 offices3 projectsFounded 1983Updated Jun 2026

Project: Ed Robson Arena Colorado College

Service: Structural EngineeringService: Adaptive Reuse, Expansions, and RenovationsService: Building DesignIndustry: CommercialIndustry: EducationType: Structural Engineering+27 more

I S Group Inc

Bloomington, MN

A Different Approach to Architecture + Engineering

WebsitePhone18 offices12 projects4 credentialsFounded 1973Size Estimate: 200+ employees

Project: Le Mars Community School District New Elementary School

Service: ArchitectureService: Space PlanningService: Facility DesignIndustry: Arts & CultureIndustry: CommercialType: Architecture & Engineering+27 more

Lance Engineering

Saint Onge, SD

Providing Professional Service for Professional Clients

WebsitePhone1 office1 leaders1 credentialsFounded 2006Size Estimate: 1-4 employees

Service detail: Structural Engineering

Service: Structural EngineeringService: Framing and Structural DesignService: Construction Administration and InspectionIndustry: CommercialIndustry: ResidentialType: Structural Engineering+5 more

Longbranch Civil Engineering, Inc.

Rapid City, SD

Quality Engineering from a Local Practice

WebsitePhone2 offices6 projectsFounded 2019Updated Jun 2026

Project: Auburn Hills Subdivision

Service: Municipal InfrastructureService: Urban and Rural Street DesignService: Sanitary Sewer Design and ModelingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+34 more

MBN Engineering, Inc.

Fargo, ND

Client Focused, Outcome Based Services

WebsitePhone3 offices2 projects4 leaders2 credentialsFounded 2007

Project: Sheyenne High School Turf

Service: Civil EngineeringService: Site Feasibility StudiesService: Site Master PlanningIndustry: EducationIndustry: HealthcareType: Civil Engineering+78 more

McLaury Engineering, Inc.

Sioux Falls, SD

Over 60 Years of Engineering Excellence.

WebsitePhone4 offices1 leaders9 credentialsUpdated Jun 2026

Service detail: Land Surveying & Mapping

Service: Land Surveying & MappingService: Boundary SurveysService: ALTA/ACSM SurveysIndustry: CommercialIndustry: GovernmentType: Civil Engineering+86 more

Midwest Land Surveying, Inc.

Sioux Falls, SD

Midwest Land Surveying, Inc. provides comprehensive land surveying services to property owners, attorneys, developers, architects, builders, and engineers across South Dakota, North Dakota, Iowa, and Nebraska. Founded in July 2003 by Brian L. Fowlds and Paul Sandman, the practice is staffed by Registered Professional Land Surveyors experienced in boundary, topographic, ALTA/ACSM, GPS, subdivision, and construction staking surveys.

WebsitePhone1 office2 projects3 leaders3 credentialsFounded 2003

Project: Russell Street Interchange

Service: Boundary SurveyingService: Boundary Surveying for Urban Lots and Rural AcreagesService: ALTA/ACSM SurveysIndustry: Land DevelopmentIndustry: ResidentialType: Land Surveying+12 more

RISE Structural Associates Inc.

Sioux Falls, SD

Exceptional structural design solutions for the architectural and construction industry.

WebsitePhone2 offices10 projects4 leadersFounded 1998Size Estimate: 10-20 employees

Project: Phillips Avenue Lofts

Service: Structural EngineeringService: Structural Engineering DrawingsService: Agricultural Structural DrawingsIndustry: AgricultureIndustry: CommercialType: Structural Engineering+23 more

Raker Rhodes Engineering

Des Moines, IA

Structural Engineers Bringing Innovative and Responsive Solutions to Life

WebsitePhone4 offices1 projectsFounded 2006Size Estimate: 45 employeesUpdated Jun 2026

Project: 111 East Grand

Service: Structural EngineeringService: Industrial Structural EngineeringIndustry: EducationIndustry: HealthcareType: Structural Engineering+7 more

Renner Associates LLC

Rapid City, SD

Civil Engineering & Land Surveying in the Black Hills

WebsitePhone1 office9 projects5 leadersFounded 1980Updated Jun 2026

Project: Stagebarn Middle School

Service: Civil EngineeringService: Commercial & Residential Site DesignService: Municipal EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+19 more