Marmon/Keystone

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Located in Denver, Colo., Marmon/Keystone LLC is one of the leading wholesale distributors of tubular products in the United States. Operational for more than 100 years, the company has been offering over 15,000 sizes and grades of carbon, alloy, stainless, aluminum tubular and bar products. It operates service centers and sales offices throughout North America. Marmon/Keystone LLC and affiliated businesses are Marmon Distribution Services/Berkshire Hathaway companies and members of The Marmon Group, an international association of approximately 130 business units.