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Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum (48)
Antifriction Bearing Metals, Lead-Base (1)
Magnesium Refining (Primary) (1)
Precious Metals Smelters and Refiners (12)
Primary Nonferrous Metals, Nec (22)
Sherritt International Corporation
Chemical Vapour Metal Refining Inc
Mississauga Metals & Alloys
Zinc Refining (Primary), Including Slabs & Dust (8)
Societe En Commandite Revenue Noranda