YOUR LEADING SUPPLIER IN THE WEST COAST

FLAT ROLL STEEL ● ERW PIPE

Together We Are

CSI is the joint venture of the two of the largest steel companies in the world: NUCOR CORPORATION and JFE STEEL


We are the only West Coast steel supplier backed by the strength and reliability of U.S. based Nucor Corporation, and the innovative success of manufacturing leader, JFE Steel in Japan, producing five different product lines. In most of our product groups, we have the broadest production capabilities west of the Rocky Mountains. Our success in this competitive arena is proven by our ability to continue to increase sales and production year after year.

  • Your projects depend on having the right products in the right places at the right time. The CSI team is focused on providing you with high quality products to suit your every need.

  • CSI is ISO 9001:2015 and API Q1 Certified.

    CSI's Quality Management System sets our vision and standards for success by focusing on continuously improving the quality and delivery of our products. We seek to go beyond meeting customer expectations. We strive to exceed them and maintain long term business relationships with all we serve.

  • At CSI, we consider no part of our business more important than a safe workplace for our team. Our safety record places us as a leader among steel mills in the United States, with consistently low accident rates to hours worked. Together we are committed to quality, productivity, teamwork, and the betterment of our company, and our teammates share in the success of our labors with competitive wages and benefits.

SUPPLIER OF CHOICE Since 1984


From commercial construction, agriculture and HVAC components to gas and oil pipelines, CSI customers utilize our top-quality steel to manufacture a broad range of end-use products with various surface finishes tailored to suit their purpose.

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With a ONE UNITED TEAM mentality, CSI is part of a nationwide team of 32,000+ teammates pursuing a singular mission: to become the world's safest steel company.

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Location

1 California Steel Way, Fontana, CA

California Steel Industries, Inc. is located approximately 50 miles east of Los Angeles in Fontana, California. Our plant, which has operated in the Inland Empire since 1984, sits on 430 acres with approximately 115 acres under roof.