Restek Corporation specializes in chromatography products and services. The company offers gas and high performance liquid chromatography columns and accessories, coatings products and Purus gas systems. It features capabilities with air monitoring, gas sampling and sample preparation. Restek Corporation also produces custom designs. The company distributes analytical reference guides, educational materials and its Advantage newsletter. Its Silcosteel-UHV surface treatment was recognized by R&D Magazine as one of the 100 most technologically significant products of 2003. The company s Silcosteel-AC product reduces carbon buildup on stainless steels and its Siltek treatment makes glass, steels, stainless steels, and high-nickel steel alloys inert to reactive chemicals. Restek Corporation operates a 100,000-square-foot facility in State College, Pa. The company was founded in 1985.