PINTO VALLEY MINING CORP

Capstone Copper

Mining

Vancouver, British Columbia

Capstone Copper Pinto Valley

Mining

Miami, Arizona

Freeport-McMoRan

Mining

Phoenix, AZ

Vulcan Materials Company

Mining

Birmingham, AL

CalPortland

Wholesale Building Materials

Glendora, CA

Newmont Corporation

Mining

Denver, Colorado

Sibanye-Stillwater LTD

Mining

Rangefront Mining Services

Mining

Elko, NV

Arizona Mining Association

Mining

Phoenix, Arizona

Florence Copper

Mining

Florence, AZ