California Steel Industries, Inc. (CSI) is the leading producer of flat rolled steel in the Western United States, producing the widest range of flat rolled steel products in the region. We are the only West Coast steel supplier capable of producing over 2 million tons of steel representing five different product lines: hot rolled, pickled and oiled, galvanized, and cold rolled sheet, and electric resistance welded pipe.

CSI began operations in 1984, and since then $1 billion has been invested in our facilities to maintain, modernize and add operations. Our success in this competitive arena is proven by our ability to continue to increase sales and production year after year.

With over 1,000 employees, we are committed to producing quality steel in a safe work environment with some of the highest productivity found in our industry. CSI is also committed to continued compliance with all environmental regulations, to protect present & future human health in our local environment.