Does Alcoa have any subsidiaries?

Yes, Alcoa has several subsidiaries. These include Arconic Inc., a global leader in lightweight metals engineering and manufacturing; Alcoa Wheels, a leading manufacturer of aluminum wheels for commercial trucks; Alcoa Energy, which focuses on developing and operating renewable energy projects; Alcoa Fastening Systems, a supplier of assembly fastening solutions; and Alcoa Foundation, a philanthropic organization that supports communities and environmental initiatives. Additionally, Alcoa has subsidiaries in various countries, such as Alcoa of Australia, Alcoa of Brazil, and Alcoa of Canada. These subsidiaries contribute to Alcoa's diverse range of businesses and help the company expand its global presence in various industries.