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Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum (545)

Antifriction Bearing Metals, Lead-Base (6)

   Reynolds Machine Co

   Better Built Street Rod Parts

   Nn Ball & Roller

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Base Metal Smelters and Refiners (13)

   Federal Refining Inc

   Marport Smelting Inc

   Alumitech Inc

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Beryllium Manufacturers (9)

   Brush Wellman Inc

   Copper Beryllium Alloys

   Manufacturing Sciences Corp

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Cobalt Refining (Primary) (4)

   Umicore USA Inc

   Umicore Usa Inc

   Alloy Ball & Seat CO

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Gold Refining (Primary) (55)

   Five Star Precious Metals

   Idaho Prospecting Supply

   Richard Allen Jewelers

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Lead Smelting and Refining (Primary) (5)

   Garfield Refining CO

   China Direct Industries, Inc

   Mayer Alloys Corp

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Lead and Zinc (7)

   Dnsc-Df

   Us Zinc Inc

   Envirofocus Technologies, LLC

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Magnesium Refining (Primary) (4)

   Magretech Inc

   Us Magnesium LLC

   Magnesium Refining Technologies, Inc

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Platinum Group Metal Refining (Primary) (7)

   Tmp Refining Inc

   J-A Industries Inc

   Platinum Pacific Industries, Inc

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Precious Metals Smelters and Refiners (248)

   Precious Damascus Metals

   Precious D&S Metals Unlimited

   Handy & Harman Ltd

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Primary Nonferrous Metals, Nec (114)

   Cambridge-Lee Industries Inc

   Ansam Metals Corp

   International Roll Forms

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Primary Smelting and Refining of Nonferrous Material (13)

   Herculaneum Lead Smelter

   Nana's Sewing Room

   Vennerbeck Stern-Leach

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Silicon Manufacturers (10)

   Tianjiao International

   China Hunan common Future Arts & Crafts Corp., Ltd

   G E Silicones

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Silicon Refining (Primary, Over 99% Pure) (9)

   21-Century Silicon, Inc

   Globe Metallurgical Inc

   Meyer Solar Corporation

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Silicon and Chromium (5)

   Rec Advanced Silicon Materials

   Rec Solar Grade Silicon LLC

   Rec Silicon Inc

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Silicon, Pure (14)

   Sga Technical Products Inc

   Amorphous Materials Inc

   Strategic Financial Concepts

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Silver Refining (Primary) (4)

   Silver Valley Mining Assn

   Oklahoma Industrial Silver Inc

   N T & H Enterprises Inc

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Tantalum Refining (6)

   Premier Alloy

   H C Starck Inc

   H C Starck Inc

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Titanium Metal, Sponge and Granules (5)

   Timet

   Hamilton Rti Inc

   Advanced Materials Products, Inc

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Zinc Refining (Primary), Including Slabs & Dust (7)

   Arecibo Diecast, Inc

   Patriot Metal Products Inc

   Purity Zinc Metals LLC

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