YOUR LEADING SUPPLIER IN THE WEST COAST


FLAT ROLL STEEL 


Together We Are

CSI is the joint venture of two of the largest steel manufacturing 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 four 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.

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.

See our products >

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.

JOIN OUR TEAM >

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.