Black Mesa Coal - Arizona
Broken Hill Properties- Australia 
Camaco Corp- Canada 
Centromin - Peru
Chevron Phosphate - Utah
Eastern Associated Coal – West Virginia
JM Huber Kaolin – Georgia
JR Simplot Phosphate - Idaho
Kerr McGee Nuclear – New Mexico
La Perla/Hercules Iron Slurry - Mexico
Olympic Dam – Australia
Pipeline Systems Inc. - Mexico
Samarco Iron Slurry – Brazil
Valep Phosphate – Brazil