LSB Industries, Inc. manufactures, markets, and sells chemical products in the United States. It provides nitrogen-based fertilizers, such as ammonia, fertilizer grade ammonium nitrate (HDAN), and urea ammonia nitrate for fertilizer and fertilizer blends for corn and other crops, and NPK fertilizer blends applications. The company 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, blended, and regular nitric acids for various applications, including semi-conductor and polyurethane intermediates; pulp and paper, alum, water treatment, metals, and vanadium processing; power plant emissions abatement, water treatment, refrigerants, and metals processing; and exhaust stream additive, and horticulture/greenhouse applications; and refrigeration. In addition, it provides industrial grade ammonium nitrate, ammonium nitrate solutions, and HDAN solutions for the specialty emulsions for mining, surface mining, quarries, and construction applications. The company sells its products through distributors, as well as directly to end customers. It serves to the agricultural, industrial, and mining markets. LSB Industries, Inc. was founded in 1968 and is headquartered in Oklahoma City, Oklahoma.