With operations based in Montana, they offer a range of products and services to meet various industry needs. In the antimony division, usantimony produces high-quality antimony oxide, sodium antimonate, and antimony metal. These materials are widely used in industries such as plastics, rubber, coatings, and textiles for their flame retardant properties.

They also supply antimony metal for applications in bearings, storage batteries, and ordnance. As the major domestic producer of antimony products, usantimony is vertically integrated, which allows them to have more control over raw material costs. They own mines, mills, and a smelter in Mexico, ensuring a steady supply of raw materials.

In addition to antimony, usantimony also owns Bear River Zeolite Company, which specializes in the mining and processing of zeolite minerals. Zeolite is a versatile substance used in soil amendment, water filtration, sewage treatment, environmental cleanup, and more. Their high-quality zeolite has excellent properties and is highly regarded worldwide.

With a commitment to delivering quality products on time, usantimony has established itself as a reliable brand in the industry. Whether you're in need of antimony products or zeolite minerals, usantimony is your go-to source for all your needs