United States Lime & Minerals, Inc. is an American company that specializes in the mining and production of lime and mineral products. The company supplies its products for a wide range of industrial applications, including construction, environmental, chemical, and steel industries. United States Lime & Minerals operates primarily in the United States, where it has several mining sites and manufacturing plants. Its main products include lime and limestone dust, which are used in various industries for water treatment, air purification, and the production of building materials.