Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum (545)
Antifriction Bearing Metals, Lead-Base (6)
Base Metal Smelters and Refiners (13)
Heartland Discount Gold & Silver
Lead Smelting and Refining (Primary) (5)
Meister Bullets & Ammunition C
Magnesium Refining (Primary) (4)
Magnesium Refining Technologies, Inc
Platinum Group Metal Refining (Primary) (7)
Platinum Pacific Industries, Inc
Precious Metals Smelters and Refiners (248)
Primary Nonferrous Metals, Nec (114)
Primary Smelting and Refining of Nonferrous Material (13)
American Nano Silicon Tech Inc
Silicon Refining (Primary, Over 99% Pure) (9)
Rec Advanced Silicon Materials
Oklahoma Industrial Silver Inc
Titanium Metal, Sponge and Granules (5)
Zinc Refining (Primary), Including Slabs & Dust (7)