Marmon/Keystone's Cleveland branch earns ISO certification

March 28, 2013

Marmon/Keystone, Butler, Pa., has announced that its Cleveland service center has achieved ISO 9001:2008 certification.

The company is a wholesale distributor of tubular products, inventorying more than 15,000 sizes and grades of carbon, alloy, stainless, and aluminum tubular and bar products.

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