Tetley is a British tea company that has been in business since 1837. Its main rival is Lipton, another British tea company founded in 1890. Nestea is a brand of iced tea owned by the Swiss food and beverage company Nestle, and Salada is an American tea brand owned by Redco Foods. All four companies are competitors in the tea industry, with Tetley, Lipton, and Nestea being the most prominent.