Reliance Metalcenter is a diversified metals processor and distributor based the in San Diego area of California in National City. The National City office has 75,000-square-feet of value-added processing capability for customers metal needs. For more than 35 years, it has provided its products to the maritime, construction and capital goods industries in southern California and Mexico. Reliance Metalcenter is a division of Reliance Steel & Aluminum Company, which is one of the largest metals service center companies in the United States and is publicly traded on the New York Stock Exchange under the ticker symbol RS.