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.

• Heatsinks & heatspreaders
• Flexible printed circuits
• Ultra-high fiber count optical cables
• High-voltage DC cables
• Redox flow battery project
• Automotive interconnects

Locations

Code of Conduct

The Code of Conduct is a statement of our shared values and the standards of conduct. It describes the fundamental principles and key policies that govern how we conduct business. The Code applies to all Company employees, officers, and directors, at every level.
For a copy of the Company’s Code of Conduct, please go to https://sumitomoelectric.com/csr/coc

Hotline

The Company encourages employees and third parties to seek guidance or to report suspected violations of the Code of Conduct, and the Company provides several avenues for reporting. One example is the Company’s Hotline, which allows for anonymous, confidential reporting maintained by an independent third party.
For more information on the Company’s Hotline, please go to https://sumitomoelectric.com/compliance-hotlines

Global Privacy Policy

The Sumitomo Electric Group established the Global Privacy Policy for the purpose of properly processing the personal data and protecting the rights and interest of our stakeholders. The Global Privacy Policy explains how we process your personal data based on the laws related to processing your personal data.
For a copy of the Global Privacy Policy, please go to https://sumitomoelectric.com/global-privacy-policy

Global Procurement Policies

The Sumitomo Electric Group procurement activities are based on several key principles, including mutual trust, cooperation, fairness, and social responsibility. Sumitomo Electric Group seeks to do business with suppliers that share our commitment to integrity and to conducting business in compliance with the law.
For copies of the Company’s procurement policies, including the Supplier Code of Conduct, please go to https://sumitomoelectric.com/sustainability/csr/sociality/procurement