H.A. Weymann & Sons was established in 1864 in Philadelphia - intially as a general small goods retailer. When Harry W. Weymann took over the company in 1892 they began to manufacture musical instruments including banjos and guitars. In 1899 the S.S. Stewart Banjo factory in Philadelphia closed following the death of the company’s founder. Weymann bought materials and equipment from the S.S. Stewart factory and also hired ex-Stewart workers to work for his growing manufacturing business.

Source: Weymann website (archived 2019)