Sohu.com Ltd. is an online media, search, and game service company, which engages in online products and services on PC and mobile devices. The company is headquartered in Beijing, Beijing. The company went IPO on 2000-07-12. The firm primarily operates through two segments. The Sohu segment is mainly engaged in the brand advertising business. The Changyou segment is mainly engaged in the operation of Changyou online game business and the 17173.com Website. The firm primarily operates in the domestic market.