NiQuitin

NiQuitin is owned by GlaxoSmithKline, headquartered in the United Kingdom. No. The ultimate owner of NiQuitin, GlaxoSmithKline, is headquartered in the United Kingdom, not in the United States.

GlaxoSmithKline is a British multinational pharmaceutical and consumer goods company headquartered in Brentford, England. It is one of the world's largest pharmaceutical companies, focusing on areas such as respiratory, oncology, and immunology.