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Clay, Ceramic, and Refractory Minerals, NEC (179)

Bentonite (44)

   Vanderbilt Minerals Corp

   S & B Indl Minerals Na Inc

   Black Hills Bentonite CO

   Wyo-Ben Inc

   Colloid Environmental Technologies Company (Cetco)

   American Colloid CO

   Blackhills Bentonite

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Clay (44)

   Webber Plyley Inc

   Imerys Kentucky Clays

   Clay Camp

   Carco Mineral Resources

   Imerys Pigments Inc

   Kentucky-Tennessee Clay CO

   Carpentersville Quarry

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Clay and Related Minerals, Nec (41)

   Go Paint

   Bertie Smith Ceramics

   J & D Fossils & Minerals

   Reyes Magnesite

   Cathy Rodgers

   Brown Coke R Jr Kerri Brown

   Epithermar LLC

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Clays, Except Kaolin and Ball (19)

   Two Rivers Recycling, LLC

   Clay Planet Company

   Watterson Mining

   Nevada North Resources USA

   George W Parfet Estate Inc

   Mid-Tex Minerals Inc

   Nano Clays LLC

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Feldspar Mining (4)

   Hawkins Mine

   Feldspar Corp

   The Feldspar Corporation

   Unimin Corp

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Fire Clay Mining (5)

   The Clay Messer Company Incorporated

   Mantle Mining Co

   E J Bognar, Inc

   E J Bognar Inc

   Cordova Clay CO Inc

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Fuller's Earth Mining (5)

   Milwhite Inc

   Widearray Electrical

   Milwhite, Inc

   Natural Earth Technologie

   Lionforce Inc

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Shale (Common) Quarrying (12)

   Rock Drilling Solutions Inc

   Callahan & Nannini Quarry, Inc

   Blue Jay Enterprises

   Buildex Inc

   Forslund's Rock Quarry Inc

   Rdt Inc

   Grosso Materials Inc

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Stoneware Clay Mining (5)

   Sabine Neches, Inc

   Robert D Mc Dougal CPA

   Haydude

   Platinum Stucco & Stone

   Bognar & CO Inc

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