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

Antifriction Bearing Metals, Lead-Base (6)

   Marvin Zeman Enterprise

   Reynolds Machine Co

   Better Built Street Rod Parts

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Base Metal Smelters and Refiners (13)

   Federal Refining Inc

   Marport Smelting Inc

   W E Mowrey CO

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Beryllium Manufacturers (9)

   Brush Wellman Inc

   Copper Beryllium Alloys

   Brush International Inc

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Cobalt Refining (Primary) (4)

   Umicore Usa Inc

   Umicore USA Inc

   Umicore Usa Inc

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Gold Refining (Primary) (55)

   Heartland Discount Gold & Silver

   Krueger Custom Jewelry

   Us Gold Inc

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Lead Smelting and Refining (Primary) (5)

   Mayer Alloys Corp

   Meister Bullets & Ammunition C

   Garfield Refining CO

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Lead and Zinc (7)

   Horsehead Corp

   Dnsc-Df

   Us Zinc Inc

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Magnesium Refining (Primary) (4)

   Magnesium Refining Technologies, Inc

   Us Magnesium LLC

   Engineering Value LLC

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Platinum Group Metal Refining (Primary) (7)

   Platinum Pacific Industries, Inc

   Tmp Refining Inc

   J-A Industries Inc

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Precious Metals Smelters and Refiners (248)

   Precious Alpha Metals Co

   Precious Jb Metals LLC

   Precious Tennessee Metals Inc

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Primary Nonferrous Metals, Nec (114)

   Globe Metallurgical Inc

   Gold Rush Refiners, LLC

   Steel Images Inc

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Primary Smelting and Refining of Nonferrous Material (13)

   Vennerbeck Stern-Leach

   Stratcor Inc

   Purosil

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Silicon Manufacturers (10)

   Basf Corp

   BioEmbedded Research LLC

   American Nano Silicon Tech Inc

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

   Globe Metallurgical Inc

   Meyer Solar Corporation

   Globe Metallurgical Inc

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Silicon and Chromium (5)

   Rec Silicon Inc

   Rec Advanced Silicon Materials

   Dorney Products

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Silicon, Pure (14)

   Strategic Financial Concepts

   Ae Polysilicon Corporation

   Silica Engineering Group

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Silver Refining (Primary) (4)

   Umicore Technical Materials

   Oklahoma Industrial Silver Inc

   Silver Valley Mining Assn

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Tantalum Refining (6)

   H C Starck Inc

   Exotech Inc

   H C Starck Inc

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Titanium Metal, Sponge and Granules (5)

   Hamilton Rti Inc

   Saes Smart Materials Inc

   Timet

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

   Patriot Metal Products Inc

   Mitsui Zinc Powder LLC

   Purity Zinc Metals LLC

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