Marmon/Keystone LLC

100 Steel Dr
New Castle DE 19720
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Founded in 1907, Marmon/Keystone Corporation is a wholesale distributor of pipe, tubing and tubular products throughout the United States, Canada and Mexico. The company offers more than 15,000 carbon, alloy, stainless steel and bar products in various sizes and grades. It provides several services that include boring, bending, centerless grinding, laser cutting, powder coating, cylinder manufacturing, drilling and chamfering, as well as polishing and buffing. Marmon/Keystone Corporation also offers honing, packaging, heat treating, saddle cuts, drilling holes and quality improvement process video services. Additionally, the company provides bar coding, product substitution, vendor certification, and credit and paperflow analysis. Its products include carbon steel pipe, chrome plated bars, and square and rectangular tubing. With a staff of over 1, 200 employees, Marmon/Keystone Corporation maintains a location in New Castle, Del.