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Knife River Corporation

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Knife River is a construction materials and contracting company operating in 15 states.

Last updated September 2, 2026

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Overview

Knife River provides construction materials and contracting services in the western, central and southern U.S. It operates in 15 states and offers aggregates, asphalt, ready-mix concrete, construction, and specialty services.

History

Knife River is a construction materials and contracting company. It operates in 15 states and provides construction materials and services for any size project, including aggregates, asphalt, ready-mix concrete, construction, and specialty services.

Recent events

  • Knife River acquires Baker Rock Resources and Oregon Mainline Paving[4]

    Reported:

    Knife River Corporation announced that it had acquired Baker Rock Resources and Oregon Mainline Paving in concurrent transactions.

  • Unconfirmed

    Knife River acquires Mt. Hood Rock[5]

    Reported:

    Knife River Corporation acquired Mt. Hood Rock, a construction-aggregates provider in the eastern Portland area.

  • Knife River acquires McMurry construction materials assets[6]

    Reported:

    Knife River Corporation acquired the assets of McMurry Ready-Mix Co., a construction materials supplier based in Casper, Wyoming. McMurry's aggregates operations will do business as Knife River Materials, and its ready-mix plant and employees will join Knife River's existing Casper operations.

  • MDU Resources acquires Spokane prestressed-concrete business[7]

    Reported:

    MDU Resources Group announced that it had acquired the assets of Oldcastle Infrastructure Spokane, and that the operation became part of its subsidiary Knife River Corporation.

Sources7 sources

  1. 1Knife River - A Construction Materials & Contracting Companykniferiver.com
  2. 2About Us | Knife Riverkniferiver.com
  3. 3What We Do | Knife Riverkniferiver.com
  4. 4Knife River 收购 Baker Rock Resources 和 Oregon Mainline Pavingprnewswire.com
  5. 5Knife River 收购 Mt. Hood Rockfinanznachrichten.de
  6. 6Knife River收购McMurry建材业务资产prnewswire.com
  7. 7MDU Resources收购斯波坎预应力混凝土业务prnewswire.com

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