There are currently a total of (3) companies in this list.
Emerald Creek Garnet
Emerald Creek Garnet, Ltd.® (ECG), is a world leading supplier of industrial garnet abrasives, waterjet blast abrasives, and water filtration media. Emerald Creek Garnet, Ltd.® has been a subsidiary of WGI Heavy Minerals, Incorporated (WGI) since 1991, and has been mining garnet in the Carpenter and Emerald Creek basins near Fernwood, Idaho since the 1930's.
Manufacturers site:
Hess Pumice Products
Hess Pumice Products mines and processes the world's purest commercial deposit of white pumice and ships it anywhere in the world.
Manufacturers site:
Idaho Cobalt
The Idaho Cobalt Project, located in east central Idaho, is a unique 100% owned primary cobalt deposit with production estimates of over 1,500 tonnes of high-purity cobalt metal per year.
Manufacturers site:
Note: Some of the companies listed in this Idaho Ore Mining Directory may also own/manufacture/raise/produce them in other states and countries as well. Many businesses alter their brand names, practices and designs with little or no notice, so if there are still questions that remain, we suggest contacting the manufacturer directly.