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Last updated: September 2026
ID

Infrastructure Design Group, Inc.

Sioux Falls, SD

Infrastructure Design Group, Inc. (InfrastructureDG) is a civil engineering and land surveying services firm serving public and private clients in southeast South Dakota. Founded in 2012, it has offices in Sioux Falls, Mitchell, and Watertown and is led by founder Phil Gundvaldson, PE, with surveyors Robert Kummer, PLS, and Beau Koopal, PLS.

land surveyingwater resourcesmunicipal engineeringtransportation planningsite developmentconstruction observationparks and recreation
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Credentials & Experience

Years of Experience
14+
Certifications
  • PE
  • PLS

Coverage Area

southeast South Dakota region

Additional Details

Licensed in States
SD
Years of Experience
14

Location

116 West 69th Street, Suite 200, Sioux Falls, SD 57108

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