Tower Semiconductor Ltd. TSEM

What this company does

Tower Semiconductor uses silicon wafers based on customers' proprietary designs to perform an intricate process that constructs layers of conducting and insulating materials on raw wafers, requiring hundreds of interrelated steps performed on different types of equipment. The primary customers of its foundry and design services are fabless semiconductor companies and IDMs, including module integrators. For the year ended December 31, 2025, 11% of its revenues were generated from NTCJ, 39% were derived from an additional seven customers each generating between 4% and 7% of revenues, and the remaining 50% were derived from many other smaller customers. As of December 31, 2025, it employed 430 professionals in its research and development departments, 59 of whom hold PhDs. In addition to research and development departments located at its facilities in Migdal Haemek, Israel, Newport Beach, California, San Antonio, Texas and Hokuriku, Japan, it also maintains a design center in Netanya, Israel. As of December 31, 2025, it held 281 patents in force.

Written from the business description in TOWER SEMICONDUCTOR LTD.'s annual report to the U.S. Securities and Exchange Commission, filed 30 April 2026. Every sentence was checked against that document before publication.