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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

   Better Built Street Rod Parts

   Nn Ball & Roller

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Base Metal Smelters and Refiners (13)

   Global Tungsten & Powders Corp.

   Alumitech Inc

   Mco Recycling Inc

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Beryllium Manufacturers (9)

   Copper Beryllium Alloys

   Materion Corporation

   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

   Public Metal Refiners Inc

   Gold Buyers of America

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Lead Smelting and Refining (Primary) (5)

   Mayer Alloys Corp

   Garfield Refining CO

   China Direct Industries, Inc

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Lead and Zinc (7)

   Universal America Inc

   Ucm Zirconia, Inc

   Dnsc-Df

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Magnesium Refining (Primary) (4)

   Magnesium Refining Technologies, Inc

   Magretech Inc

   Engineering Value LLC

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Platinum Group Metal Refining (Primary) (7)

   Tmp Refining Inc

   T M P Refining Corporation

   Southern Metal Resources

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Precious Metals Smelters and Refiners (248)

   Precious Manasota Metals LLC

   Central Coin & Stamp Inc

   Precious F&B Metals Inc

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Primary Nonferrous Metals, Nec (114)

   Manufacturer's Interchange

   Reliable Silver Corporation

   Solar America Of Mississippi

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Primary Smelting and Refining of Nonferrous Material (13)

   Nana's Sewing Room

   Vennerbeck Stern-Leach

   Powersource LLC

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Silicon Manufacturers (10)

   Mitsubishi Polycrystalline

   G E Silicones

   Elas Tek Mouldings

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

   Virginia Semiconductor Inc

   Silicon Processors, Inc

   Globe Metallurgical Inc

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Silicon and Chromium (5)

   Dorney Products

   Rec Silicon Inc

   Rec Solar Grade Silicon LLC

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Silicon, Pure (14)

   Silicon Chemical Corporation

   Ohio Valley Specialty Chemical

   Ae Polysilicon Corporation

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Silver Refining (Primary) (4)

   Oklahoma Industrial Silver Inc

   Umicore Technical Materials

   Silver Valley Mining Assn

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Tantalum Refining (6)

   H C Starck Inc

   Premier Alloy

   Exotech Inc

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Titanium Metal, Sponge and Granules (5)

   Advanced Materials Products, Inc

   Saes Smart Materials Inc

   Hamilton Rti Inc

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

   Zinifex Clarksville Zinc Plant

   Mitsui Zinc Powder LLC

   Patriot Metal Products Inc

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