Knife River Acquires Aggregates and Ready-Mix Business in Montana

Knife River Acquires Aggregates and Ready-Mix Business in Montana Mar 23, 2026 6:30 AM Eastern Daylight Time Knife River Acquires Aggregates and Ready-Mix Business in Montana Share BISMARCK, N.D.--(BUSINESS WIRE)--Knife River Corporation (NYSE: KNF) announced today that it has acquired the assets of Donaldson Brothers Ready Mix Inc., 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 leading supplier of aggregate ...