Costco is the largest chain membership warehouse in the United States. The Price Club was established in San Diego, California in 1976, and Costco was established in Seattle, Washington seven years later. In 2009, Costco was the third largest retailer in the United States and the ninth largest retailer in the world. Costco is the founder of the membership-based warehousing and wholesale club. Since its establishment, Costco has been committed to providing members with high-quality branded goods at the lowest possible price. Costco has more than 500 branches in seven countries around the world, most of which are located in the United States, while Canada is the largest overseas market, mainly near the capital Ottawa. The global enterprise is headquartered in Issaquah, WA, Washington, and has a flagship store in neighboring Seattle. In July, 2020, Forbes 2020 Global Top 100 Brand Values was released, and the number of opening customers ranked 79th.