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Minerals and Earths, Ground or Otherwise Treated (542)

Blast Furnace Slag (5)

   Tube City Ims

   Nelson Brothers, LLC

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Cat Box Filler (6)

   Pet Ecology Brands Inc

   Violets Etc

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Clay for Petroleum Refining, Chemically Processed (7)

   Vitalab Corporation

   Industrial Minerals CO

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Clay, Ground or Otherwise Treated (25)

   Burgess Washington Clays Ltd

   Harris Slip Company, Inc

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Desiccants, Clay: Activated (5)

   Ky Impex

   Desiccare Inc

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Diatomaceous Earth Manufacturers (5)

   U S Audio Inc

   Celite Corp

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Earths, Ground or Otherwise Treated (9)

   Thirtyacre, Inc

   Lowry Contracting

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Filtering Clays, Treated (5)

   Cormetech Inc

   Pebdani

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Foundry Facings, Ground or Otherwise Treated (8)

   Penn-Rillton CO

   S & B Indl Minerals

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Graphite Manufacturers (28)

   Tim Cal America

   Graftech International

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Graphite, Natural: Ground, Pulverized, Refined, or Blended (22)

   Toyo Tanso

   Superior Graphite CO

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Mica, Ground or Otherwise Treated (5)

   Deepstep Mineral Products LLC

   East Coast Mica

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Minerals, Ground or Otherwise Treated (29)

   Infrastructure Materials Corp

   US Cosmetics Corp

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Minerals/Earths-Ground or Treated Manufacturers (235)

   Barretts Minerals Inc

   Martin Marietta Aggregates

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Perlite, Aggregate or Expanded (22)

   Phoenix Services LLC

   Skyline LLC

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Pulverized Earth (4)

   britzgroup.com

   P J Albert Inc

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Roofing Granules (21)

   Isp Minerals LLC

   3M CO

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Shale, Expanded (7)

   United Industrial Service

   Big River Industries Inc

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Slag Manufacturers (74)

   International Mill Service

   International Mill Service

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Talc Manufacturers (11)

   Oregon Pacific Minerals Corp

   Gouverneur Talc CO Inc

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Vermiculite Manufacturers (9)

   Therm-O-Rock West Inc

   Micronized Ultra Tech Vermicul

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