The primary business of Minerals Research, Inc. (MRI) is the mining, processing and marketing of iron silicate products from its plant in Cottonwood, Arizona.

Its primary products are air blasting abrasives under the name SHARPSHOT®. MRI also produces slurry blasting abrasives, underwater waterjet cutting abrasives, roofing granules, roofing backing sands, cement additives, road and roof asphalt fillers and aggregates.

MRI serves primarily the southwest and west coast of the United States, but also has distributors and customers in the midwest, the U.S. Gulf, Mexico and the northwest.