Sand, Gravel, Clay, Ceramic and Refractory Minerals Mining Companies

Kaolin and Ball Clay Mining

This Industry comprises (1) establishments primarily engaged in developing the mine site and/or mining kaolin or ball clay (e.g., china clay, paper clay, and slip clay) and (2) establishments primarily engaged in beneficiating (i.e., preparing) kaolin or ball clay.

Clay and Ceramic and Refractory Minerals Mining

This Industry comprises establishments primarily engaged in one or more of the following: (1) mining clay (except kaolin and ball), ceramic, or refractory minerals; (2) developing the mine site for clay, ceramic, or refractory minerals; and (3) beneficiating (i.e., preparing) clay (except kaolin and ball), ceramic, or refractory minerals.

• H.C. Spinks Clay Company, Inc. - Paris, Tennessee, USA - H. C. Spinks Clay Co., Inc. has been supplying premium quality ball clays worldwide since 1916. Spinks owns substantial mineral deposits throughout northwest Tennessee. These holdings represent a "mineral bank" that assures a continuing supply to meet the growing demand for industrial clay minerals.
• Kentucky-Tennessee Clay Company - Mayfield, Kentucky, USA - Ball Clay / Kaolin / Feldspar - Kentucky-Tennessee Clay Company's corporate roots run deep in the rich mining territories of Western Kentucky, Tennessee and Mississippi. Back in 1890, the small Mandle Clay Company, which a quarter century later became K-T Clay, unearthed the original Old Mine #4 Ball Clay, a raw material which has become the standard by which all Ball Clays are measured to this day. The addition of ceramic Kaolin for functional and nonfunctional filler applications has substantially diversified our product line. In 1994, Kentucky-Tennessee Clay Company dedicated its state of the art slurry plant in Monterrey, México . With these acquisitions and expansions, we became the first raw material supplier in North America to have a complete product line for ceramics.
• Martin Limestone - Blue Ball, Pennsylvania - Martin Limestone is a supplier of pulverized agricultural limestone, crushed limestone, and white quartzite sand and stone throughout southeastern Pennsylvania and surrounding states. In addition, our Narvon Minerals plant provides clay to various industries in the United States and Canada.
• Old Hickory Clay Company - Hickory, Kentucky, USA - At Old Hickory Clay Company, we provide the highest quality ball clays to our customers. From the time our ball clays are mined, to the time they're ready for shipment in shredded, mechanically dried, airfloated and slurried forms, Old Hickory Clay Company products undergo extensive quality control tests - some of the most demanding in the industry - to ensure maximum purity and consistency. Old Hickory Clay Company is the first and only ISO 9001 ball clay supplier in the USA.
• US Silica Co. - Berkeley Springs, West Virginia - U. S. Silica Company, the leading producer of high quality ground and unground silica sand, kaolin clay, aplite and related industrial minerals.
• UNIMIN CORPORATION - New Canaan, CT, USA - Operations in: North America, South America, Scandinavia and Australia - Founded in 1970, Unimin Corporation has grown from a small glass sand mining company to become one of the world's leading industrial mineral producers. Our products are the essential raw materials utilized in nearly every manufacturing process. From these ores we produce the highest quality and consistently uniform silica sands, nepheline syenite, feldspars, olivine, microcrystalline silicas, ball clays and kaolins, dolomite, talc, calcium carbonate, magnetite, barite, bentonite clays and high purity quartz.