America. Wyeth brand creation company is Wyeth Company of the United States, headquartered in Madison, New Jersey, USA, and is one of the largest research-based pharmaceutical and health care products companies in the world. The main products of Wyeth brand listed in China are Calch D, Goodsave, Goodsave Silver, Enoch, Belamé, Belamé, Belamé, and Tezhi Star.