KNF News & Events

Knife River announced that it has acquired the assets of Donaldson Brothers Ready Mix, an aggregates-based ready-mix supplier in western Montana. This is Knife River's third acquisition in its Mountain Segment in 2026. Donaldson is a supplier of aggregates and ready-mix in the growing Bitterroot Valley, south of Missoula. In addition to three aggregates sources that provide the business with over 30 years of supply, Donaldson operates a ready-mix plant and manufactures precast concrete products.

Knife River announced that it has acquired Morgan Asphalt, an aggregates-based asphalt paving company in the Salt Lake City, Utah, area. Morgan serves public and private-sector customers across northern Utah. Operations include: aggregate crushing and production, with well over 30 years of proven reserves; asphalt production, with a plant in the west Salt Lake City area and contracting services, including asphalt paving, excavating and grading. Morgan employs approximately 250 people during peak construction season.