Public engineering firm directory

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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

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

Huppler Land Surveying

Watertown, SD

Huppler Land Surveying is a Watertown, South Dakota land surveying company owned and operated by Brandon Huppler, a Registered Land Surveyor with over 17 years of experience. The practice serves residential and light commercial properties throughout Northeastern South Dakota, covering Codington, Clark, Day, Deuel, Grant, Hamlin, Spink, and surrounding counties.

WebsitePhone1 office1 leaders2 credentialsUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveyService: Mortgage SurveyIndustry: ResidentialIndustry: CommercialType: Land Surveying+7 more

Infrastructure Design Group, Inc.

Sioux Falls, SD

Small Firm. BIG Experience.

WebsitePhone3 offices7 projects3 leaders4 credentialsFounded 2012

Project: Bakker Landing Development - Tea, SD

Service: Water ResourcesService: Drainage Analysis & StudiesService: Drainage System DesignIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+23 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

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

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

Sayre Associates, Inc.

Sioux Falls, SD

Engineering Solutions since 1969

WebsitePhone1 office23 leadersFounded 1969Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Development PlanningService: Parks and Recreation Facilities DesignIndustry: Land DevelopmentIndustry: Parks & Open SpaceType: Civil Engineering+19 more

Scott Engineering

Watertown, SD

Trusted Civil Engineering Solutions for Over 78 Years

WebsitePhone1 officeFounded 1947Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DevelopmentService: Roadway and Transportation DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+14 more

Stockwell Engineers

Sioux Falls, SD

Stockwell Engineers is a South Dakota civil engineering, landscape architecture, land surveying, and EPC firm with offices in Sioux Falls and Yankton. Stockwell delivers integrated project teams whose engineers and landscape professionals work side by side, producing results that are both highly functional and visually compelling. Stockwell serves municipalities, state agencies, private businesses, and land developers across civil infrastructure, parks, streetscapes, water and wastewater systems, renewable energy, and agricultural projects.

WebsitePhone2 offices6 projectsUpdated Jun 2026

Project: Harrisburg Water Reclamation Facility

Service: Civil EngineeringService: Municipal EngineeringService: Street and Highway DesignIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+45 more