A
Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum
Antifriction Bearing Metals, Lead-Base
Lead Smelting and Refining (Primary)
Meister Bullets & Ammunition C
Precious Metals Smelters and Refiners
Primary Nonferrous Metals, Nec
Oklahoma Industrial Silver Inc
Zinc Refining (Primary), Including Slabs & Dust