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Constructions Aggregates & Industrial Minerals  •  Brevort, Michigan

Foundry industrial sands as well as various construction related end product(s) are produced and loaded directly onto ships at our port facilities on lake Michigan.

Proppant Solutions

CSI operates a state of the art sand processing facility that enables manufacturing and refinement of silica sands to the highest industry standards. All products are greater than 98% pure Si02. Our Brevort, Michigan sand mine and port facility produces API Spec 40/70 & 100 mesh frac sand with easy access to the Marcellus/Utica shale formations with port and trans-load facilities in Buffalo New York, Cleveland Ohio and Thunder Bay Ontario.

Foundry Sands

  • AFS 80
  • AFS 52
  • AFS 50

Construction Aggregates

  • Washed Concrete Sand
  • Washed Concrete Rock
  • Asphalt aggregates
  • Base Course Aggregates
  • Blend Sand
  • Manufactured Sand
  • Rip Rap
  • Gabion Rock

Mine / Port Office: (906) 292-5432 • csi@laprairiegroup.com