Mark Steel International (MSI) is an international steel trading company established in June 2002. MSI specializes in the import and domestic sales of various kinds of steel, such as flat rolled carbon steel coil, sheet, stainless steel coil and sheet, pipes and shapes.

MSIís sales strategy is to provide customers with high quality steel from reputable first class steel mills throughout the world, at prevailing market prices.




The principal of MSI is Masatoshi (Mark) Ono. Mark was the President for Okura & Company ( America) Inc. After his tenure with Okura, Mark became President of Nippon Steel Trading America, Inc. Mark has been involved in the West Coast Steel Industry for over 20 years. He has been instrumental in developing various steel sources throughout Asia to meet local West Coast and Gulf region requirements. 







Mark Steel International is a Steel Trading Company sourcing globally to meet customers steel requirements in the West Coast and Gulf Markets.  We establish long term relationships with suppliers who can meet and exceed our customerís quality requirements.  We are committed to continually search for quality sources of supply to meet our customers changing requirements







Mark Steel International, LLC.

21250 Hawthorne Blvd,suite 340, Torrance, CA 90503

Phone: 424-246-2170  Fax: 424-246-2175