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

Bentonite (44)

   Cetco Oilfield Services Co

   Cetco

   Bpm Minerals LLC

   Basf Catalysts LLC

   Cetco Oilfield Services Company

   Evergreen Bentonite Inc

   Blackhills Bentonite

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Clay (44)

   Studio 5

   Smectite Inc

   Custom Clay & Soil Co, Inc

   Kentucky-Tennessee Clay CO

   Celite Corp Kenite

   Webber Plyley Inc

   Fink & Stackhouse Inc

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Clay and Related Minerals, Nec (41)

   Cathy Rodgers

   Go Paint

   Boren Clay Products

   Krazy Cajun Pottery

   Sondon Inc

   Sylvan Originals

   Epithermar LLC

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Clays, Except Kaolin and Ball (19)

   Nano Clays LLC

   Mid-Tex Minerals Inc

   Zeo Tech Corp

   American Colloid CO

   Elementis Specialties Inc

   US Clay Lp

   Nevada North Resources USA

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Feldspar Mining (4)

   Feldspar Corp

   The Feldspar Corporation

   Unimin Corp

   Hawkins Mine

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Fire Clay Mining (5)

   Cordova Clay CO Inc

   The Clay Messer Company Incorporated

   Mantle Mining Co

   E J Bognar Inc

   E J Bognar, Inc

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Fuller's Earth Mining (5)

   Milwhite, Inc

   Lionforce Inc

   Milwhite Inc

   Widearray Electrical

   Natural Earth Technologie

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Shale (Common) Quarrying (12)

   Rdt Inc

   Callahan & Nannini Quarry, Inc

   Douglas Eckhart Excavating

   Grosso Materials Inc

   Buildex Inc

   Blue Jay Enterprises

   Forslund's Rock Quarry Inc

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Stoneware Clay Mining (5)

   Bognar & CO Inc

   Robert D Mc Dougal CPA

   Sabine Neches, Inc

   Platinum Stucco & Stone

   Haydude

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