KMG Chemicals, Inc., through its subsidiaries, engages in the manufacture, formulation, and distribution of specialty chemicals in the United States and internationally. The company offers electronic chemicals that include high purity wet process chemicals, such as sulfuric, phosphoric, nitric, and hydrofluoric acids; and ammonium hydroxide, hydrogen peroxide, isopropyl alcohol, and various blends of chemicals that are used to clean and etch silicon wafers in the production of semiconductors. It also provides wood treating chemicals, including penta blocks, flakes, and solutions, as well as a byproduct of penta production that are used primarily to treat electric and telephone utility poles, protecting them from mold, mildew, fungus, and insects; and creosote products, which are used as wood preservatives for railroad crossties and utility poles. The company markets its animal health products under the trade names of Zymace, Lactomace, Protomace, Proxitane, Avenger, Rabon, Ravap, Patriot, and Annihilator. KMG Chemicals, Inc. was founded in 1992 and is based in Houston, Texas.