Master Lock is not a semiconductor manufacturer but a globally renowned leader in security products, best known for its padlocks, safes, and security cases. Established in 1921 and headquartered in Milwaukee, Wisconsin, USA, the company has built a strong reputation for durability and innovation in physical security solutions. Although its core business does not involve semiconductor production, many of its electronic security products, such as smart locks and electronic safes, undoubtedly incorporate integrated circuits and semiconductor components sourced from other manufacturers. Master Lock's brand is synonymous with strength and reliability, primarily focusing on providing tangible security hardware to consumers and industries worldwide.