Alcoa Eastalco Works
Alltrista Zinc Products LP
ASARCO LLC
Associated Electric - Mining Division
Barrick Bald Mountain
Barrick Bullfrog Inc
Barrick Cortez Inc
Barrick Gold NA Inc
Barrick Goldstrike Mines Inc
BHP Billiton
Bridger Coal Co
BNI Coal Ltd
Cameco Corp
Cameco Corp - Buffalo Narrows
Carlota Copper Co
Chevron Mining Co
Chevron McKinley Mine
Chino Mining Co
Cortez Gold Mines
Dragon Products Co

Freeport McMoran Copper & Gold
Gold Corp
Golden Sunlight Mines
IMC Phosphates
Kahama Mining Corp
Knight Piesold & Co
LAC Minerals Inc
Marigold Mining Co
Montana Exploradora SA
Nord Resources
PCS Phosphate Co
Phelps Dodge Chino Mines Co
Robinson Nevada Mining Co
Round Mountain Gold Co
Searles Valley Minerals
THEC Mining Division
Tronox LLC
U.S. Borax