Supelco is a part of the Sigma-Aldrich Corporation, which has subsidiaries in more than 30 countries. It provides analytical and chromatographic products for technology and life science applications. Supelco offers chemical research and manufacturing services. In addition to services, it manufactures various products for chemical applications, including accessories, chromatography columns, analytical reagents, syringes, vials, solvents, buffer substances, strips, tests kits, stains and dyes. The company specializes in chromatography packing, sample preparation of products and chemical reagents. It serves a variety of clients, such as environmental and government agencies; food and beverage industries; medical, pharmaceutical, biotechnology and chemical laboratories; hospitals; and universities. It offers a line of products, including Kathon, ProClin and TraceCERT. It has a production facility in Bellefonte, Pa.