"Sumitomo Electric U.S.A., Inc. (SEUSA) serves North American customers in various industries, including electric power, data communications, automotive, electronics manufacturing, medical devices, and more. An overview of our diverse portfolio of products is provided on this site for reference.

SEUSA was established in 1971 as the first North American subsidiary of Sumitomo Electric Industries. Our early activities contributed to the development of other subsidiaries, and today we are a part of a regional network of more than 40 companies affiliated with the Sumitomo Electric Group. SEUSA’s main offices are located in the Los Angeles metropolitan area and Silicon Valley."