In the 19th Century the major economic activities included fruit production and weaving. Towards the end of the 19th Century, this transitioned to cattle and dairy farming. In 1900 Hefenhofen included several farms and silk embroidery industry. The only heavy industry in Hefenhofen until 1950, was the Stutz construction business founded in 1877 (in 2003 it had approximately 260 employees) and the Hatswil mill. Opened in 1975, the municipal solid waste incinerator of the Oberthurgau region, closed their doors in 1996.