Ground or Treated Mineral and Earth Manufacturing
This U.S. industry comprises establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals. Cross-References.Show more
NAICS 327992 – Ground or Treated Mineral and Earth Manufacturing encompasses the processing of naturally occurring minerals and earth materials through mechanical grinding, screening, calcining, or chemical treatment to produce specialized aggregates, fillers, and engineered earth products. These materials are critical in defense infrastructure, ballistic shielding, erosion control, munitions casings, and high-temperature refractory applications.
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Companies that have received federal awards classified under NAICS 327992.
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