LSB Industries, Inc. engages in the manufacture, marketing, and sale of chemical products. The company provides nitrogen-based fertilizers, such as ammonia, fertilizer grade high density ammonium nitrate (HDAN), and urea ammonia nitrate for fertilizer for corn, pastures, and other crops, as well as nitrogen, phosphorus, and potassium (NPK) fertilizer blends application. It also offers high purity and commercial grade ammonia, high purity ammonium nitrate, sulfuric acids, mixed nitrating acids, carbon dioxide, and diesel exhaust fluids, as well as concentrated, and blended and regular nitric acids for various applications, including semiconductor, nylon, and polyurethane intermediates, ammonium nitrate, and metal processing; chemical feedstocks, emissions abatement, water treatments, and refrigerants; pulp and paper, aluminum, water treatment, metals, and vanadium processing; abatement for diesel vehicles; and food refrigeration, dry ice, and enhanced oil recovery. In addition, the company provides industrial grade and low density ammonium nitrate, and ammonium nitrate for explosives mining, quarries, and other blasting activities. It sells its products through distributors, as well as directly to end customers in the United States and other parts of North America. The company serves to the agricultural, industrial, and mining markets. LSB Industries, Inc. was incorporated in 1968 and is headquartered in Oklahoma City, Oklahoma.