Supelco, a subsidiary of Sigma-Aldrich Corporation, provides chromatography products for analysis and purification. Products include: HPLC and chiral columns; capillary, packed and chiral GC columns; flash chromatography products; air monitoring materials; SPE products and molecularly imprinted polymers for SPE; standards; resins; carbons; and chromatography accessories such as liners, vials and syringes. Customer service is a hallmark of Supelco. The highly trained chemists in our R&D lab, Technical Service group and Application Laboratory answer hundreds of inquiries each day. Supelco's corporate headquarters and main production facility are in Bellefonte, Pennsylvania. An extensive network of Sigma-Aldrich subsidiaries and sales professionals promotes and supports Supelco products worldwide.