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We are committed to the success of Minnesota's aggregate and ready mix companies, and to making concrete the construction material of choice.

2024 Board of Directors


Monte Kerzman

L.G. Everist

Vice President

Kyle Becken



Tim Mackedanz

Holcim MAR

Past President

Steve Semrau

Knife River

Producer Members

  • Cody Ladd, Kraemer Mining
  • Dan Scotting, Buffalo Ridge Concrete
  • Eric Bryan, Bryan Rock Products
  • Bill Frazier, AVR, Inc.
  • Tom Schmit, Holcim MAR
  • Pete Olson, Martin Marietta
  • Ryan Tuhkanen, Arrowhead Concrete
  • Carl Worms, Worms Ready Mix

Associate Members

  • Marcus Gates, Master Builders Solutions
  • Chad Hanson, Heidelberg Materials
  • Jeff Buersken, Rock On Trucks
  • Steve Rentz, Minneopa Concrete
  • Dave Rettner, American Engineering Testing
  • Chris Suhr, Holcim
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