Knife River, a subsidiary of utilities and construction conglomerate MDU Resources, which in 2018 bought Sioux Falls-based concrete/gravel/asphalt producer Sweetman Construction Company, which operated as…
notes from a South Dakota expatriate
Knife River, a subsidiary of utilities and construction conglomerate MDU Resources, which in 2018 bought Sioux Falls-based concrete/gravel/asphalt producer Sweetman Construction Company, which operated as…