Mountain Valley Stone, Inc. quarries Utah's natural blond sandstone. It is the only quarry operating year round in the Park City Mountains. Mountain Valley Stone, Inc. offers over 25 different product types including hand split flagstone, guillotined builders, and landscape material.

RJ Enterprises, Inc. specializes in residential and commercial stone, block, and brick masonry construction. RJ Enterprises, Inc. recently completed the Utah Valley State College Wasatch Campus, the Museum of Natural History in Vernal, the Glenwild Resort in Park City, and several prestigious residential homes.

Delta Stone Products, Inc. operates one of the largest stone fabrication facilities in the western United States. Our fully enclosed facility allows for year-round work to accommodate any construction schedule. Additionally, Delta Stone Products, Inc. maintains a stone yard stocked with over seventy different stone types as well as masonry supplies.