Levi Strauss & Co. is an American clothing company known worldwide for its Levi's brand of denim jeans. It was founded in May 1853 when German immigrant Levi Strauss moved from Buttenheim, Bavaria, to San Francisco, California, to open a west coast branch of his brothers' New York dry goods business. Although the corporation is registered in Delaware, the company's corporate headquarters is located in Levi's Plaza in San Francisco.